Re: lug-bg: Re: lug-bg: MAC IP?
atlas wrote: IPTABLES MAC ? iptables: mac --mac-source [!] address Match source MAC address.It must be of the form XX:XX:XX:XX:XX:XX. Note that this only makes sense for packets coming from an Ethernet device and entering the PREROUTING, FOR- WARD or INPUT chains. .. iptables -A EDIKFOSI -m mac --mac-source 00:11:22:33:44:55 -j KFOTO_ISKASH :-) A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara Zagora To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html
Re: lug-bg: MAC IP?
atlas wrote: , , Linux (Slakware v.10), Internet PPP0. ETH0,Internet (192.168.1.0/24). ,PPP0 MACIP? Linux Internet SSH 22, (iptables -A INPUT -i ppp0 -p tcp --dport 22 -j DROP) ... ... ? , , I, ( PPP ?!) : IP ( ) 111.222.333.444, I , () 555.666.777.888... iptables -P INPUT DROP # iptables -A INPUT -i eth0 -j ACCEPT # I 555.666.777.888# 22 iptables -A INPUT -p tcp -i ppp0 -s 555.666.777.888 --dport 22 -j ACCEPT OUTPUT . , - - : iptables -P OUTPUT ACCEPT , , . : iptables -P OUTPUT DROP iptables -A OUTPUT -p tcp -o ppp0 -d 555.666.777.888 --sport 22 -j ACCEPT ,, , ! :) ! : A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara Zagora To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html
lug-bg: Re: lug-bg: MAC IP?
:) . From: Ilia Lindov [EMAIL PROTECTED] atlas wrote: , , Linux (Slakware v.10), Internet PPP0. ETH0,Internet (192.168.1.0/24). ,PPP0 MACIP? Linux Internet SSH 22, (iptables -A INPUT -i ppp0 -p tcp --dport 22 -j DROP) ... ... ? , , I, ( PPP ?!) : IP ( ) 111.222.333.444, I , () 555.666.777.888... iptables -P INPUT DROP # iptables -A INPUT -i eth0 -j ACCEPT # I 555.666.777.888 # 22 iptables -A INPUT -p tcp -i ppp0 -s 555.666.777.888 --dport 22 -j ACCEPT OUTPUT . , - - : iptables -P OUTPUT ACCEPT , , . : iptables -P OUTPUT DROP iptables -A OUTPUT -p tcp -o ppp0 -d 555.666.777.888 --sport 22 -j ACCEPT ,, , ! :) ! : A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara Zagora To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara Zagora To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html
Re: lug-bg: MAC IP?
Georgi Ivanov wrote: | ,PPP0 | MACIP? ebtables.Link Layer . : http://ebtables.sourceforge.net/ A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara Zagora To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html
Re: lug-bg: Re: lug-bg: MAC IP?
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 atlas wrote: | IPTABLES MAC ? | | |From: Georgi Ivanov [EMAIL PROTECTED] |Sent: Friday, October 01, 2004 6:50 PM |Subject: Re: lug-bg: MACIP? | | atlas wrote: | | [EMAIL PROTECTED] [EMAIL PROTECTED], | | 0 Linux 0H8=0 (Slakware v.10), :OB 5 [EMAIL PROTECTED] :J Internet [EMAIL PROTECTED] | | PPP0. | | | A25= B20 80 8 @562 040?B5@ ETH0, [EMAIL PROTECTED] :9B ?4020 Internet :J | | [EMAIL PROTECTED] 8 @560 (192.168.1.0/24). | | J?@A0 8 5, :0: 40 [EMAIL PROTECTED] 4ABJ?0 4 0H8=0B0 [EMAIL PROTECTED] PPP0 40 AB020 | | A0 | | | [EMAIL PROTECTED] :=:@5B5= MAC [EMAIL PROTECTED] 8;8 :=:@5B= IP? 45OB0 8 5 40 :0=420 | | Linux | | | 0H8=0B0 [EMAIL PROTECTED] Internet [EMAIL PROTECTED][EMAIL PROTECTED] [EMAIL PROTECTED] SSH ?@B 22, = =5 8A:0 40 |[EMAIL PROTECTED] | | ? ?@B (iptables -A INPUT -i ppp0 -p tcp --dport 22 -j DROP) | | | | 0 F5;B0 AJ7404E A;54=0B0 [EMAIL PROTECTED]: | | | | iptables -N block | | | | iptables -A block -m state --state ESTABLISHED,RELATED -j ACCEPT | | iptables -A block -m state --state NEW -i ! ppp0 -j ACCEPT | | | | iptables -A block -m mac --mac-source 00:80:AD:62:15:A3 -j ACCEPT | | | | iptables -A block -j DROP | | | | iptables -A INPUT -j block | | iptables -A FORWARD -j block | | | | | | = =5I =5 A5 ?;CG020 ([EMAIL PROTECTED] ? MAC =5 A5 ?;CG020). | | @120E A [EMAIL PROTECTED] ? IP: | | | | iptables -A block -s 213.91.17.190 -i ppp0 -j ACCEPT | | | | = @57C;B0B0 15H5 AJI8O. | | | | : =O:9 65 40 8 ?3=5, 1;03[EMAIL PROTECTED] [EMAIL PROTECTED]@8B5;=. | | | | | | | | | | | | | | A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). | | http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara | Zagora | | To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html | | | | | | | G= 70 B78 A;CG09 A ssh 65H 40 3 [EMAIL PROTECTED] [EMAIL PROTECTED] hosts.allow 8 | hosts.deny 157 40 ?;720H iptables | | -- | Georgi Ivanov | Aii Data Processing | System Administrator | IT Department | | | http://www.6lyokavitza.org/ | A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara | Zagora To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html | | | A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). | http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara Zagora | To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html | : iptables -P INPUT DROP iptables -P FORWARD DROP iptables -P OUTPUT DROP iptables -A allowed -p TCP --syn -j ACCEPT iptables -A allowed -p TCP -m state --state ESTABLISHED,RELATED -jACCEPT iptables -A allowed -p TCP -j DROP iptables -A INPUT -p TCP -s -_ -d ME --dport 22 -j allowed ~MAC-a , MAC iptables -N allow - -- Georgi Ivanov Aii Data Processing System Administrator IT Department http://www.6lyokavitza.org/ -BEGIN PGP SIGNATURE- Version: GnuPG v1.2.4 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFBXZE70dEkp0mjhDsRAvokAJ4wxrbOf4BO40r2rwaJcvkkNO8KDwCfZr5q 8gDHntso/b17cGzrIycLOm8= =c6yV -END PGP SIGNATURE- A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers). http://www.linux-bulgaria.org - Hosted by Internet Group Ltd. - Stara Zagora To unsubscribe: http://www.linux-bulgaria.org/public/mail_list.html
Re: lug-bg: MAC+IP
- Original Message - From: Àíãåë Âúëêîâ [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, November 30, 2001 12:00 AM Subject: Re: lug-bg: MAC+IP On Thursday 29 November 2001 16:47, you wrote: az bih go napravil mnogo zverski. 1. Izgrazhdam si edna bazichka s danni, relacia MAC - IP A gadniara po niakakva slu4ainost znae MAC i IP na dobroto drugar4e ot sysednata staia. Relaciata pak shte e viarna :) A tuk problema veche e chisto psihologicheski. Nikoi ne te bie po glavata da trubish po kakuv metod raboti sistemata za accounting ; === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: ZABRAVETE ZA MAC FILTRIRANE Re: Re: lug-bg: MAC+IP
On Thursday 29 November 2001 22:35, you wrote: A kakvo shte pravish , ako sum si vzel root/admin na mashinata na drugarcheto , drupnal sum mu key-ovete/passworda , smenil sum si IP-to i MAC-a ?!?!!? Ok, kazvam :) Eto edno Linux workstation drugar4e na koeto si otkradnal naj-bezsramno vsi4kite gorni nesta ... samo 4e ako e realizirano PPPoE za auth i se dial-upva s wvdial (syotvetno s opciq ASK PASSWORD v wvdial.conf, za da pita vseki pyt za pass-a pri startirane, a ne samiq password da se taralqnka nqkude po diska) ste trqbva da me snimash ot nqkude s skrita kamera koi keys natiskam kogato vyvezhdam pass-a za pppoe ili da se snimash sam s gornite nesta koito si otkradnal :))) iskam samo da dobavq 4e ako ne mozhe da se obqsni na wvdial da ne pravi nomeronabirane i da e tyrsi modem ala bala ... to mozhe i bez nego estestveno. Vazhnoto e da ne se store-va nqkude po diska pppoe pass-a stom ste se krade :). Ako trqbva pass-a ste se vyvezhda vseki pyt i premahva sled auth-a. (tova ve4e e posledna faza na paranoq, maj e nele4ima;). Vsustnost ima si PPPoE clienti, i tova v krajna smetka si e VPN realiziran na bazata na PPPD, e nqma encryption samo. Startira se pppd koeto vika pppoe i my kazva prez koj eth interface da nameri drugiq kraj na PPP vryzkata (gateway-q), sled kato se ustanovi tq rabotata se poema ot pppd. Spomnqm si 4e Ivaylo Toshev kazvashe kak Win clienta se connectval kym PPPoE server-a na 115200 :), ne pomnq ve4e s standartniq dialup soft ili s pppoe cleint za win. Naistina 4ak pyk takava paranoq ne e neobhodima, a i tova si e problem na klientite, edva li admina trqba da se pravi na policaj i da gi sledi da ne si kradat i podmenqt tova onova :) -- Greets, fr11zb1 === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: ZABRAVETE ZA MAC FILTRIRANE Re: Re: lug-bg: MAC+IP
On Fri, 30 Nov 2001 12:08:33 +0200 George Danchev wrote: iskam samo da dobavq 4e ako ne mozhe da se obqsni na wvdial da ne pravi nomeronabirane i da e tyrsi modem ala bala ... to mozhe i bez nego estestveno. Vazhnoto e da ne se store-va nqkude po diska pppoe pass-a stom ste se krade :). Ako trqbva pass-a ste se vyvezhda vseki pyt i premahva sled auth-a. (tova ve4e e posledna faza na paranoq, maj e nele4ima;). Vsustnost ima si PPPoE clienti, i tova v krajna smetka si e VPN realiziran na bazata na PPPD, e nqma encryption samo. Startira se pppd koeto vika pppoe i my kazva prez koj eth interface da nameri drugiq kraj na PPP vryzkata (gateway-q), sled kato se ustanovi tq rabotata se poema ot pppd. Spomnqm si 4e Ivaylo Toshev kazvashe kak Win clienta se connectval kym PPPoE server-a na 115200 :), ne pomnq ve4e s standartniq dialup soft ili s pppoe cleint za win. Naistina 4ak pyk takava paranoq ne e neobhodima, a i tova si e problem na klientite, edva li admina trqba da se pravi na policaj i da gi sledi da ne si kradat i podmenqt tova onova :) Shtom ni e hvanala chak takava paranoia :)) Po dno vreme si igrah s VPN funkcionalnostta na PGP (Windows). Znachi puskahme si VPN mezdu Win mashini s PGP keys za authentication, kato se vdigne mashinata(a moze bi i kato se logne user, ne sum probval) PGP Net kazva - ja mi daj passphrase za tozi kluch, davash mu pass phrase, ne se store-va na disk, encryption e strong (nastrojva se razbira se). BTW spored dokumenti koito sum chel mozesh da vurzesh PGP VPN clienta kum Win2000 ili FreeS/WAN VPN serveri... Merak da ima chovek :)) Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. msg08150/pgp0.pgp Description: PGP signature
Re: lug-bg: MAC+IP
On Thu, 29 Nov 2001 15:22:57 +0200 Yavor Atanasov wrote: Trjabva da napravja taka, 4e v mrejata na MAC adres da otgovarja samo edin IP adres! I da ne moje tozi PC da vzema drug IP adres (nito ot DHCP nito statichen adres)! Kak mozhe da stane tova? Yavor Atanasov Tova s cel da ogranichish dostupa do njakakva usluga i userite da ne mogat da zaobikaljat ogranichenieto ti kato si smenjat IP-tata li e ? Ako da - mozesh da setnesh ruchno (razbiraj script) ARP tablicata na mashinata predostavjashta uslugata, t.e. setvash - NA_TOVA_IP otgovarja TOZI_MAC. arp -d IP #tova za da flushnesh entrito za tova IP arp -s IP MAC #za da go zakovesh Ako ti vurshi rabota - moga da ti pratja i primeren script (to e edin red :) ) kojto gi chete ot file i gi setva.A ako gi razdavash s DHCP mozesh da kazesh na DHCP servera na konkreten MAC da dava konkretno IP. Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. msg07802/pgp0.pgp Description: PGP signature
Re: lug-bg: MAC+IP
Hello Yavor, ÷åòâúâòúê, 29 Íîåìâðè 2001 ã., you wrote: Ne mojesh da spresh horata koito rabotiat po workstationite da si smeniat IP-ta (osobeno horata s admin prava) ... ili pone ne si struva shtoto e mnogo tejka zadacha ... az sum zabil static entry-ta v arp tablicata na gateway-a ... ne che tva e otgovor na vuprosa ti , no mislia che se doseshtam zashto pitash - i az sum imal hitreci deto se opitvat da si slagat IP-ta koito sa priviligirovani Best regards, Pavelmailto:[EMAIL PROTECTED] === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
az bih go napravil mnogo zverski. 1. Izgrazhdam si edna bazichka s danni, relacia MAC - IP 2. s arpping obozhdam i sravniavam. 3. Ako vidia nesuotvetstvie, s iptables mu bicha edin DROP na MAC adresa i chakam da doide da pita shto niama Net ;))) - Original Message - From: Yavor Atanasov To: [EMAIL PROTECTED] Sent: Thursday, November 29, 2001 2:22 PM Subject: lug-bg: MAC+IP Trjabva da napravja taka, 4e v mrejata na MAC adres da otgovarja samo edin IP adres! I da ne moje tozi PC da vzema drug IP adres (nito ot DHCP nito statichen adres)! Kak mozhe da stane tova? Yavor Atanasov
Re: lug-bg: MAC+IP
On Thu, 29 Nov 2001 15:47:41 +0100 Teodor Georgiev wrote: az bih go napravil mnogo zverski. 1. Izgrazhdam si edna bazichka s danni, relacia MAC - IP 2. s arpping obozhdam i sravniavam. 3. Ako vidia nesuotvetstvie, s iptables mu bicha edin DROP na MAC adresa i chakam da doide da pita shto niama Net ;))) Mdaaa, tova mi haresva :) Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. msg07807/pgp0.pgp Description: PGP signature
Re: lug-bg: MAC+IP
Lesno mozhes da razdavash s DHCP statichni adresi -
host sulio{ hardware ethernet
52:54:.;
fixed-address
sulio;}ili pyk:
.
fixed-address
192.168..;
}
obache kak mozhe da se napravi, ako chovekyt sam si turi adres
- da ne se prieme - ne znam
Kojto znae - da pishe!
B.
- Original Message -
From:
Yavor Atanasov
To: [EMAIL PROTECTED]
Sent: Thursday, November 29, 2001 2:22
PM
Subject: lug-bg: MAC+IP
Trjabva da napravja taka, 4e v mrejata na MAC adres da otgovarja samo edin
IP
adres! I da ne moje tozi PC da vzema drug IP adres (nito ot DHCP nito
statichen adres)!
Kak mozhe da stane tova?
Yavor Atanasov
Re: Re: lug-bg: MAC+IP
Zdravei, Iskam da popitam tova oznachava li che ARP tablicata niama da ima avtomatichen update. Po skoro mehanizma na skripta ti niama li da byde da chistish pyrvo IP - to i sled tova da go setvash... Ako e taka oznachava li che na opredeleno vreme trebe da go puskash tozi script(cronjob naprimer). Ima li nachin na ARP-to da byde zabraneno avtomatichnoto dobaviane na zapisi tam. todorin Îðèãèíàëíî ïèñìî Îò: [EMAIL PROTECTED] Îòíîñíî: Re: lug-bg: MAC+IP Äî : [EMAIL PROTECTED] Èçïðàòåíî íà: 29.11.2001 15:40:01 --- On Thu, 29 Nov 2001 15:22:57 +0200 Yavor Atanasov wrote: Trjabva da napravja taka, 4e v mrejata na MAC adres da otgovarja samo edin IP adres! I da ne moje tozi PC da vzema drug IP adres (nito ot DHCP nito statichen adres)! Kak mozhe da stane tova? Yavor Atanasov Tova s cel da ogranichish dostupa do njakakva usluga i userite da ne mogat da zaobikaljat ogranichenieto ti kato si smenjat IP-tata li e ? Ako da - mozesh da setnesh ruchno (razbiraj script) ARP tablicata na mashinata predostavjashta uslugata, t.e. setvash - NA_TOVA_IP otgovarja TOZI_MAC. arp -d IP #tova za da flushnesh entrito za tova IP arp -s IP MAC #za da go zakovesh Ako ti vurshi rabota - moga da ti pratja i primeren script (to e edin red :) ) kojto gi chete ot file i gi setva.A ako gi razdavash s DHCP mozesh da kazesh na DHCP servera na konkreten MAC da dava konkretno IP. Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. --- Èçáåðè çàâåäåíèå è íàïðàâè ðåçåðâàöèÿ òóê: http://app.netinfo.bg/zavedenia/ === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP-Dopylnenie
Dopylnenie -
pyrviat variant:
Lesno mozhes da razdavash s DHCP statichni adresi -
host sulio{ hardware ethernet
52:54:.;
fixed-address
sulio;}
e ako imash DNS i za host name si ima IPako ne :
.
fixed-address
192.168..;
}
- estestveno taka mozhe i ako imash DNS :)
- Original Message -
From:
Yavor Atanasov
To: [EMAIL PROTECTED]
Sent: Thursday, November 29, 2001 2:22
PM
Subject: lug-bg: MAC+IP
Trjabva da napravja taka, 4e v mrejata na MAC adres da otgovarja samo edin
IP
adres! I da ne moje tozi PC da vzema drug IP adres (nito ot DHCP nito
statichen adres)!
Kak mozhe da stane tova?
Yavor Atanasov
Re: lug-bg: MAC+IP
Oshte poweche -- ne mojesh da spresh da si smenqt MAC adres-a, koeto e po-locho ! Íà ×åòâúðòúê 29 Íîåìâðè 2001 15:46, âèå íàïèñàõòå: Hello Yavor, ÷åòâúâòúê, 29 Íîåìâðè 2001 ã., you wrote: Ne mojesh da spresh horata koito rabotiat po workstationite da si smeniat IP-ta (osobeno horata s admin prava) ... ili pone ne si struva shtoto e mnogo tejka zadacha ... az sum zabil static entry-ta v arp tablicata na gateway-a ... ne che tva e otgovor na vuprosa ti , no mislia che se doseshtam zashto pitash - i az sum imal hitreci deto se opitvat da si slagat IP-ta koito sa priviligirovani Best regards, Pavelmailto:[EMAIL PROTECTED] === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
pri men v ofisa vyrvi accounting po IP shtoto ima edni deto praviat lud trafik. I te si vdigat drugi IP-ta. Hitreci be... - Original Message - From: Pavel Milev [EMAIL PROTECTED] To: Yavor Atanasov [EMAIL PROTECTED] Sent: Thursday, November 29, 2001 2:46 PM Subject: Re: lug-bg: MAC+IP Hello Yavor, ÷åòâúâòúê, 29 Íîåìâðè 2001 ã., you wrote: Ne mojesh da spresh horata koito rabotiat po workstationite da si smeniat IP-ta (osobeno horata s admin prava) ... ili pone ne si struva shtoto e mnogo tejka zadacha ... az sum zabil static entry-ta v arp tablicata na gateway-a ... ne che tva e otgovor na vuprosa ti , no mislia che se doseshtam zashto pitash - i az sum imal hitreci deto se opitvat da si slagat IP-ta koito sa priviligirovani Best regards, Pavelmailto:[EMAIL PROTECTED] === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
On Thursday 29 November 2001 16:47, you wrote: az bih go napravil mnogo zverski. 1. Izgrazhdam si edna bazichka s danni, relacia MAC - IP 2. s arpping obozhdam i sravniavam. 3. Ako vidia nesuotvetstvie, s iptables mu bicha edin DROP na MAC adresa i chakam da doide da pita shto niama Net ;))) basi gadniq ... edinstveniq probiv na tova e hardwaren, t.e. ako zemat da si razmenqt vzaimno NIC-ovete po machinite:) . Ama ti sigurno bi slozhil i obemen dat4ik e box-ovete im i pak ste gi hvanesh ... znam az :) Trjabva da napravja taka, 4e v mrejata na MAC adres da otgovarja samo edin IP adres! I da ne moje tozi PC da vzema drug IP adres (nito ot DHCP nito statichen adres)! Kak mozhe da stane tova? Yavor Atanasov -- Greets, fr11zb1 === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
On Thu, 29 Nov 2001 16:04:27 +0200 Todor Belev wrote: Zdravei, Iskam da popitam tova oznachava li che ARP tablicata niama da ima avtomatichen update. Po skoro mehanizma na skripta ti niama li da byde da chistish pyrvo IP - to i sled tova da go setvash... Ako e taka oznachava li che na opredeleno vreme trebe da go puskash tozi script(cronjob naprimer). Hm... ami da, nali tova bjah napisal v postinga: `arp -d IP_ADDRESS` za da razkarash entry-to za tozi IP v ARP tablicata i `arp -s IP_ADDRESS MAC_ADDRESS` za da go zakovesh kum daden MAC address. Za auto update na arp table - da i ne. Tezi koito setnesh tvurdo taka shte si stojat, a za koito ne si ukazval izrichno - shte si se update-vat (ako sum razbral pravilno kakvo pitash). Opredelenoto vreme pri nas e pri startup na mashinata, v edin rc script si gi setvame. Userite ni ne se promenjat s koj znae kakva dinamika, napravo s nikakva daze. Ima li nachin na ARP-to da byde zabraneno avtomatichnoto dobaviane na zapisi tam. Kude e tam? Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. msg07816/pgp0.pgp Description: PGP signature
Re: Re: lug-bg: MAC+IP
Imenno tova pitah, tova znachi che ako ne pravish proverka chesto za tova dali ima avtomatichno dobaveni entryta v ARP tablicata , az ot strna na hitrec shte moga da si smenia IP-to i da rabotia do sledvashtia pyt kogato si pochistish dinamichno dobavenoto entry (t.e. pri restart na mashinata). Ako tova se pravi na 1 minuta (t.e. flushvane na dinamichno dobavenite zapisi v ARP tablicata) az pyk moga da si napravia script s koito dinamichno si promeniam IP to da kajem na vremeto na koeto ti pochistvash tablicata. Za tova mi beshe vyrposa za niakakyv trik s koito shet mojesh izcialo da zabranish dinamichnoto dobaviane na entryta v ARP tablicata. Todorin Îðèãèíàëíî ïèñìî Îò: [EMAIL PROTECTED] Îòíîñíî: Re: lug-bg: MAC+IP Äî : [EMAIL PROTECTED] Èçïðàòåíî íà: 29.11.2001 16:18:45 --- On Thu, 29 Nov 2001 16:04:27 +0200 Todor Belev wrote: Zdravei, Iskam da popitam tova oznachava li che ARP tablicata niama da ima avtomatichen update. Po skoro mehanizma na skripta ti niama li da byde da chistish pyrvo IP - to i sled tova da go setvash... Ako e taka oznachava li che na opredeleno vreme trebe da go puskash tozi script(cronjob naprimer). Hm... ami da, nali tova bjah napisal v postinga: `arp -d IP_ADDRESS` za da razkarash entry-to za tozi IP v ARP tablicata i `arp -s IP_ADDRESS MAC_ADDRESS` za da go zakovesh kum daden MAC address. Za auto update na arp table - da i ne. Tezi koito setnesh tvurdo taka shte si stojat, a za koito ne si ukazval izrichno - shte si se update-vat (ako sum razbral pravilno kakvo pitash). Opredelenoto vreme pri nas e pri startup na mashinata, v edin rc script si gi setvame. Userite ni ne se promenjat s koj znae kakva dinamika, napravo s nikakva daze. Ima li nachin na ARP-to da byde zabraneno avtomatichnoto dobaviane na zapisi tam. Kude e tam? Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. --- Èçáåðè çàâåäåíèå è íàïðàâè ðåçåðâàöèÿ òóê: http://app.netinfo.bg/zavedenia/ === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: Re: lug-bg: MAC+IP
Imenno tova pitah, tova znachi che ako ne pravish proverka chesto za tova dali ima avtomatichno dobaveni entryta v ARP tablicata , az ot strna na hitrec shte moga da si smenia IP-to i da rabotia do sledvashtia pyt kogato si pochistish dinamichno dobavenoto entry (t.e. pri restart na mashinata). Ako tova se pravi na 1 minuta (t.e. flushvane na dinamichno dobavenite zapisi v ARP tablicata) az pyk moga da si napravia script s koito dinamichno si promeniam IP to da kajem na vremeto na koeto ti pochistvash tablicata. Za tova mi beshe vyrposa za niakakyv trik s koito shet mojesh izcialo da zabranish dinamichnoto dobaviane na entryta v ARP tablicata. Todorin Îðèãèíàëíî ïèñìî Îò: [EMAIL PROTECTED] Îòíîñíî: Re: lug-bg: MAC+IP Äî : [EMAIL PROTECTED] Èçïðàòåíî íà: 29.11.2001 16:18:45 --- On Thu, 29 Nov 2001 16:04:27 +0200 Todor Belev wrote: Zdravei, Iskam da popitam tova oznachava li che ARP tablicata niama da ima avtomatichen update. Po skoro mehanizma na skripta ti niama li da byde da chistish pyrvo IP - to i sled tova da go setvash... Ako e taka oznachava li che na opredeleno vreme trebe da go puskash tozi script(cronjob naprimer). Hm... ami da, nali tova bjah napisal v postinga: `arp -d IP_ADDRESS` za da razkarash entry-to za tozi IP v ARP tablicata i `arp -s IP_ADDRESS MAC_ADDRESS` za da go zakovesh kum daden MAC address. Za auto update na arp table - da i ne. Tezi koito setnesh tvurdo taka shte si stojat, a za koito ne si ukazval izrichno - shte si se update-vat (ako sum razbral pravilno kakvo pitash). Opredelenoto vreme pri nas e pri startup na mashinata, v edin rc script si gi setvame. Userite ni ne se promenjat s koj znae kakva dinamika, napravo s nikakva daze. Ima li nachin na ARP-to da byde zabraneno avtomatichnoto dobaviane na zapisi tam. Kude e tam? Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. --- Èçáåðè çàâåäåíèå è íàïðàâè ðåçåðâàöèÿ òóê: http://app.netinfo.bg/zavedenia/ === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
On Thu, 29 Nov 2001 16:27:00 +0200 Todor Belev wrote: Imenno tova pitah, tova znachi che ako ne pravish proverka chesto za tova dali ima avtomatichno dobaveni entryta v ARP tablicata , az ot strna na hitrec shte moga da si smenia IP-to i da rabotia do sledvashtia pyt kogato si pochistish dinamichno dobavenoto entry (t.e. pri restart na mashinata). Ako tova se pravi na 1 minuta (t.e. flushvane na dinamichno dobavenite zapisi v ARP tablicata) az pyk moga da si napravia script s koito dinamichno si promeniam IP to da kajem na vremeto na koeto ti pochistvash tablicata. Za tova mi beshe vyrposa za niakakyv trik s koito shet mojesh izcialo da zabranish dinamichnoto dobaviane na entryta v ARP tablicata. Todorin O, ima nachin :) Dobavjash statichno VSICHKI IP-ta koito ne iskash da se shmatkat bezkontrolno. Pri men e taka, okolo 200 entry-ta sa mi maj. Tuk go izpolzvame za da limitirame proxy usage, shtoto navremeto ne e napraveno s proxy auth, a sa reshili da e po-bezproblemno za userite. Tezi koito imat web access sa kovnati tvurdo v ARP-a na proxy-to. Vsichki ostanali sa free da se rejat iz mrezata. Ot druga strana vsichkite ni useri sa NT Workstation i ne sa s admin prava ... Ponjakoga edin instrument ne e dostatuchen ;) P.S. Ti kato hitrec, kato ti kovna vednuz MAC-a s dadeno IP, posle smenjaj IP-ta kolkoto iskash :) Dali gateway/server na kojto e setnata tazi ARP tablica shte te obsluzi? Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. msg07822/pgp0.pgp Description: PGP signature
Re: lug-bg: MAC+IP
- Original Message - From: George Danchev [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, November 29, 2001 3:16 PM Subject: Re: lug-bg: MAC+IP On Thursday 29 November 2001 16:47, you wrote: az bih go napravil mnogo zverski. 1. Izgrazhdam si edna bazichka s danni, relacia MAC - IP 2. s arpping obozhdam i sravniavam. 3. Ako vidia nesuotvetstvie, s iptables mu bicha edin DROP na MAC adresa i chakam da doide da pita shto niama Net ;))) basi gadniq ... edinstveniq probiv na tova e hardwaren, t.e. ako zemat da si razmenqt vzaimno NIC-ovete po machinite:) . Ama ti sigurno bi slozhil i obemen dat4ik e box-ovete im i pak ste gi hvanesh ... znam az :) Tova sus smianata na NIC-ovete niama da stane, shtoto taka shte se ebat edin drugi... nali pak shte ima otcheten trafik ot tqhnata staq ;) Ami kato minimum shte gi hvana po NetBIOS hostname, shtoto sa windows'dzhii. Ako triabva i tcpdump na ICQ paketite shte pravia, da gledam koi s kakuv UIN se logva. Gurch za userite! :))) === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
shto puk ne? - Original Message - From: Georgi Vlaev [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, November 29, 2001 3:15 PM Subject: Re: lug-bg: MAC+IP Oshte poweche -- ne mojesh da spresh da si smenqt MAC adres-a, koeto e po-locho ! Íà ×åòâúðòúê 29 Íîåìâðè 2001 15:46, âèå íàïèñàõòå: Hello Yavor, ÷åòâúâòúê, 29 Íîåìâðè 2001 ã., you wrote: Ne mojesh da spresh horata koito rabotiat po workstationite da si smeniat IP-ta (osobeno horata s admin prava) ... ili pone ne si struva shtoto e mnogo tejka zadacha ... az sum zabil static entry-ta v arp tablicata na gateway-a ... ne che tva e otgovor na vuprosa ti , no mislia che se doseshtam zashto pitash - i az sum imal hitreci deto se opitvat da si slagat IP-ta koito sa priviligirovani Best regards, Pavelmailto:[EMAIL PROTECTED] === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
Ivan Dimitrov System Administrator Bastun Networks On Thu, 29 Nov 2001, Teodor Georgiev wrote: az bih go napravil mnogo zverski. 1. Izgrazhdam si edna bazichka s danni, relacia MAC - IP 2. s arpping obozhdam i sravniavam. trqbva ti arpwatch, ako imash po-golqma mreja:) 3. Ako vidia nesuotvetstvie, s iptables mu bicha edin DROP na MAC adresa i chakam da doide da pita shto niama Net ;))) - Original Message - From: Yavor Atanasov To: [EMAIL PROTECTED] Sent: Thursday, November 29, 2001 2:22 PM Subject: lug-bg: MAC+IP Trjabva da napravja taka, 4e v mrejata na MAC adres da otgovarja samo edin IP adres! I da ne moje tozi PC da vzema drug IP adres (nito ot DHCP nito statichen adres)! Kak mozhe da stane tova? Yavor Atanasov === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
ZABRAVETE ZA MAC FILTRIRANE Re: Re: lug-bg: MAC+IP
1) vednuj setnesh li s `arp -s MAC IP` tova ne e dinamichno ami si ostava i ot tam natatuk prosto nqma nachin da vlezes s drug MAC adres. blokva vsichko. obiknovenno tozi skript se slaga v rc. failovete pri bootvane da si zaredi tablicata s ip - mac adresi. 2) ako obichate zabravete za filtrirane po MAC adres. ot izvestno vreme proizvoditelite na eth karti:) sa si dobavili vuzmojnost za promqna na MAC adresi, az lichno sum vijdal mac adres 00:00:00:00:00:kolkoto:trqbva:nuli i ne e problem da se smeni mac adres i ip-to. stava za sekundi:) nachina koito mi podskazaxa togava i koito ne sum iztestval e s vpn, ako nqkoi ima opit za takuv vid authentifikacia neka da pishe:))) Ivan Dimitrov System Administrator Bastun Networks On Thu, 29 Nov 2001, Todor Belev wrote: Imenno tova pitah, tova znachi che ako ne pravish proverka chesto za tova dali ima avtomatichno dobaveni entryta v ARP tablicata , az ot strna na hitrec shte moga da si smenia IP-to i da rabotia do sledvashtia pyt kogato si pochistish dinamichno dobavenoto entry (t.e. pri restart na mashinata). Ako tova se pravi na 1 minuta (t.e. flushvane na dinamichno dobavenite zapisi v ARP tablicata) az pyk moga da si napravia script s koito dinamichno si promeniam IP to da kajem na vremeto na koeto ti pochistvash tablicata. Za tova mi beshe vyrposa za niakakyv trik s koito shet mojesh izcialo da zabranish dinamichnoto dobaviane na entryta v ARP tablicata. Todorin Îðèãèíàëíî ïèñìî Îò: [EMAIL PROTECTED] Îòíîñíî: Re: lug-bg: MAC+IP Äî : [EMAIL PROTECTED] Èçïðàòåíî íà: 29.11.2001 16:18:45 --- On Thu, 29 Nov 2001 16:04:27 +0200 Todor Belev wrote: Zdravei, Iskam da popitam tova oznachava li che ARP tablicata niama da ima avtomatichen update. Po skoro mehanizma na skripta ti niama li da byde da chistish pyrvo IP - to i sled tova da go setvash... Ako e taka oznachava li che na opredeleno vreme trebe da go puskash tozi script(cronjob naprimer). Hm... ami da, nali tova bjah napisal v postinga: `arp -d IP_ADDRESS` za da razkarash entry-to za tozi IP v ARP tablicata i `arp -s IP_ADDRESS MAC_ADDRESS` za da go zakovesh kum daden MAC address. Za auto update na arp table - da i ne. Tezi koito setnesh tvurdo taka shte si stojat, a za koito ne si ukazval izrichno - shte si se update-vat (ako sum razbral pravilno kakvo pitash). Opredelenoto vreme pri nas e pri startup na mashinata, v edin rc script si gi setvame. Userite ni ne se promenjat s koj znae kakva dinamika, napravo s nikakva daze. Ima li nachin na ARP-to da byde zabraneno avtomatichnoto dobaviane na zapisi tam. Kude e tam? Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. --- Èçáåðè çàâåäåíèå è íàïðàâè ðåçåðâàöèÿ òóê: http://app.netinfo.bg/zavedenia/ === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
az bih go napravil mnogo zverski. 1. Izgrazhdam si edna bazichka s danni, relacia MAC - IP 2. s arpping obozhdam i sravniavam. trqbva ti arpwatch, ako imash po-golqma mreja:) i tova e viarno :) === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
Èñêàø äà êàæåø, ÷å MAC àäðåñà íå ìîæå äà ñå ñìåíè ëè ??? eth0 Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:192.168.10.20 Bcast:192.168.10.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4874265 errors:334435 dropped:11 overruns:0 frame:0 TX packets:503073 errors:7 dropped:0 overruns:7 carrier:0 collisions:18676 txqueuelen:100 Interrupt:10 Base address:0xd400 eth0:1Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:10.0.0.20 Bcast:10.255.255.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:10 Base address:0xd400 ßâíî íå ñè ïîïàäàë íà çëîíàìåðåíè õîðà.. Íà ×åòâúðòúê 29 Íîåìâðè 2001 17:39, âèå íàïèñàõòå: shto puk ne? - Original Message - From: Georgi Vlaev [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, November 29, 2001 3:15 PM Subject: Re: lug-bg: MAC+IP Oshte poweche -- ne mojesh da spresh da si smenqt MAC adres-a, koeto e po-locho ! Íà ×åòâúðòúê 29 Íîåìâðè 2001 15:46, âèå íàïèñàõòå: Hello Yavor, ÷åòâúâòúê, 29 Íîåìâðè 2001 ã., you wrote: Ne mojesh da spresh horata koito rabotiat po workstationite da si smeniat IP-ta (osobeno horata s admin prava) ... ili pone ne si struva shtoto e mnogo tejka zadacha ... az sum zabil static entry-ta v arp tablicata na gateway-a ... ne che tva e otgovor na vuprosa ti , no mislia che se doseshtam zashto pitash - i az sum imal hitreci deto se opitvat da si slagat IP-ta koito sa priviligirovani Best regards, Pavelmailto:[EMAIL PROTECTED] === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: ZABRAVETE ZA MAC FILTRIRANE Re: Re: lug-bg: MAC+IP
Hello Ivan, ÷åòâúâòúê, 29 Íîåìâðè 2001 ã., you wrote: ID 1) vednuj setnesh li s `arp -s MAC IP` tova ne e dinamichno ami si ostava ID i ot tam natatuk prosto nqma nachin da vlezes s drug MAC adres. blokva ID vsichko. obiknovenno tozi skript se slaga v rc. failovete pri bootvane da ID si zaredi tablicata s ip - mac adresi. Kakvo shte kajesh za slednoto : .. smenil sum si IP-to, otvariam niacacuv connection na niakude ... mashinata koiato maskira packeti kum sveta IZOBSHTO ne ia e griza za static entry-to v tvoiata ARP tablica i maskira connectiona ... sled vreme se vrushta reply za teb , mashinata ti go vrushta na tvoeto (smenenoto) IP s drug MAC ... i estestveno NIC-a ti ne si go poznava i go otebava ... ami kakvo stava ako sus gateway-a sme na edin ethernet segment (naprimer zakacheni v edin hub) i az sum v promiscuous_mode ??? mai si hvashtam reply-a i si svirkam ,a ? ID 2) ako obichate zabravete za filtrirane po MAC adres. ot izvestno vreme ID proizvoditelite na eth karti:) sa si dobavili vuzmojnost za promqna na MAC ID adresi, az lichno sum vijdal mac adres 00:00:00:00:00:kolkoto:trqbva:nuli ID i ne e problem da se smeni mac adres i ip-to. stava za sekundi:) da , taka e i naistina ne se seshtam za protivodeistvie ! ... no e fakt che 95% ot horata ne biha si smenili MAC/IP addressite - bilo zashtoto ne znaiat kak, zashtoto ne iskat, zashtoto posle ne im se govori s shefa i t.n. ... ID nachina ID koito mi podskazaxa togava i koito ne sum iztestval e s vpn, ako nqkoi ima ID opit za takuv vid authentifikacia neka da pishe:))) i kvo sega ... sha si pusnesh hilaidi VPN-i mejdu gateway-a i workstation-ite shtoto niakoi shtial da vidi 5 goli zadnika v poveche ot drugia ?!?!?! A kakvo shte pravish , ako sum si vzel root/admin na mashinata na drugarcheto , drupnal sum mu key-ovete/passworda , smenil sum si IP-to i MAC-a ?!?!!? Best regards, Pavelmailto:[EMAIL PROTECTED] === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
On Thu, 29 Nov 2001 17:31:11 +0200 Georgi Vlaev wrote: Èñêàø äà êàæåø, ÷å MAC àäðåñà íå ìîæå äà ñå ñìåíè ëè ??? eth0 Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:192.168.10.20 Bcast:192.168.10.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4874265 errors:334435 dropped:11 overruns:0 frame:0 TX packets:503073 errors:7 dropped:0 overruns:7 carrier:0 collisions:18676 txqueuelen:100 Interrupt:10 Base address:0xd400 eth0:1Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:10.0.0.20 Bcast:10.255.255.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:10 Base address:0xd400 ßâíî íå ñè ïîïàäàë íà çëîíàìåðåíè õîðà.. Mdaa. Tova vse pak predpolaga njakakvo nivo na kompetentnost na userite, koeto slava bogu rjadko se sreshta. Ako dokopam takuv pri nas, shte mu izvia vrata ... Taja istoria e kato zmia zahapala opashkata si. Vechnata igra na gonenica :)) Trjabva da se nameri chastno reshenie spored usloviata i konkretnata situacia. Maj generalno reshenie njama. Pak vechnata igra na gonenica :)) Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. msg07836/pgp0.pgp Description: PGP signature
Re: lug-bg: MAC+IP
On Thursday 29 November 2001 17:31, you wrote: Èñêàø äà êàæåø, ÷å MAC àäðåñà íå ìîæå äà ñå ñìåíè ëè ??? eth0 Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:192.168.10.20 Bcast:192.168.10.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4874265 errors:334435 dropped:11 overruns:0 frame:0 TX packets:503073 errors:7 dropped:0 overruns:7 carrier:0 collisions:18676 txqueuelen:100 Interrupt:10 Base address:0xd400 eth0:1Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:10.0.0.20 Bcast:10.255.255.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:10 Base address:0xd400 ßâíî íå ñè ïîïàäàë íà çëîíàìåðåíè õîðà.. Íà ×åòâúðòúê 29 Íîåìâðè 2001 17:39, âèå íàïèñàõòå: shto puk ne? blah, za smqnata na MAC-a bqh 4uval samo i si mislih 4e ponastoqstem e legenda vse oste, vinata e na proizvoditelite na NIC , vsustnost ne mi e qsno kakvo pe4elqt ot tova . No vse pak kolko sa userite kojto znaqt kak da se zadobiqt i setnat privilegirovani IP-MAC ot arp table-a na dadeniq gateway/router. Drugoto za koeto se setam e da prekarash vsi4ki prez proxy-to za authentification, if fail - no service. -- Greets, fr11zb1 === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: ZABRAVETE ZA MAC FILTRIRANE Re: Re: lug-bg: MAC+IP
On Thu, 29 Nov 2001 17:47:46 +0200 Pavel Milev wrote: Hello Ivan, ÷åòâúâòúê, 29 Íîåìâðè 2001 ã., you wrote: ID 1) vednuj setnesh li s `arp -s MAC IP` tova ne e dinamichno ami si ostava ID i ot tam natatuk prosto nqma nachin da vlezes s drug MAC adres. blokva ID vsichko. obiknovenno tozi skript se slaga v rc. failovete pri bootvane da ID si zaredi tablicata s ip - mac adresi. Kakvo shte kajesh za slednoto : .. smenil sum si IP-to, otvariam niacacuv connection na niakude ... mashinata koiato maskira packeti kum sveta IZOBSHTO ne ia e griza za static entry-to v tvoiata ARP tablica i maskira connectiona ... sled vreme se vrushta reply za teb , mashinata ti go vrushta na tvoeto (smenenoto) IP s drug MAC ... i estestveno NIC-a ti ne si go poznava i go otebava ... ami kakvo stava ako sus gateway-a sme na edin ethernet segment (naprimer zakacheni v edin hub) i az sum v promiscuous_mode ??? mai si hvashtam reply-a i si svirkam ,a ? OKie, stana jasno kakvi hvatki i chalumi sa poznati na sveta za da zaobikoli ogranicheniata. Choveka pitashe kak da si svurshi rabotata, ajde da se susredotochim vurhu tova. Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. msg07839/pgp0.pgp Description: PGP signature
Re: ZABRAVETE ZA MAC FILTRIRANE Re: Re: lug-bg: MAC+IP
viarno e. mnogo lesno se smenia MAC adres. eto primer: ifconfig eth0 hw ether 00:00:00:00:00:00... obache... eto slednata shema: admina dava iptables -P FORWARD DROP sled tova pootdelno za vsiaka karta si razreshava trafika... smeniai si MAC-a koolkoto iskash... - Original Message - From: Ivan Dimitrov [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, November 29, 2001 4:00 PM Subject: ZABRAVETE ZA MAC FILTRIRANE Re: Re: lug-bg: MAC+IP 1) vednuj setnesh li s `arp -s MAC IP` tova ne e dinamichno ami si ostava i ot tam natatuk prosto nqma nachin da vlezes s drug MAC adres. blokva vsichko. obiknovenno tozi skript se slaga v rc. failovete pri bootvane da si zaredi tablicata s ip - mac adresi. 2) ako obichate zabravete za filtrirane po MAC adres. ot izvestno vreme proizvoditelite na eth karti:) sa si dobavili vuzmojnost za promqna na MAC adresi, az lichno sum vijdal mac adres 00:00:00:00:00:kolkoto:trqbva:nuli i ne e problem da se smeni mac adres i ip-to. stava za sekundi:) nachina koito mi podskazaxa togava i koito ne sum iztestval e s vpn, ako nqkoi ima opit za takuv vid authentifikacia neka da pishe:))) Ivan Dimitrov System Administrator Bastun Networks On Thu, 29 Nov 2001, Todor Belev wrote: Imenno tova pitah, tova znachi che ako ne pravish proverka chesto za tova dali ima avtomatichno dobaveni entryta v ARP tablicata , az ot strna na hitrec shte moga da si smenia IP-to i da rabotia do sledvashtia pyt kogato si pochistish dinamichno dobavenoto entry (t.e. pri restart na mashinata). Ako tova se pravi na 1 minuta (t.e. flushvane na dinamichno dobavenite zapisi v ARP tablicata) az pyk moga da si napravia script s koito dinamichno si promeniam IP to da kajem na vremeto na koeto ti pochistvash tablicata. Za tova mi beshe vyrposa za niakakyv trik s koito shet mojesh izcialo da zabranish dinamichnoto dobaviane na entryta v ARP tablicata. Todorin Îðèãèíàëíî ïèñìî Îò: [EMAIL PROTECTED] Îòíîñíî: Re: lug-bg: MAC+IP Äî : [EMAIL PROTECTED] Èçïðàòåíî íà: 29.11.2001 16:18:45 --- On Thu, 29 Nov 2001 16:04:27 +0200 Todor Belev wrote: Zdravei, Iskam da popitam tova oznachava li che ARP tablicata niama da ima avtomatichen update. Po skoro mehanizma na skripta ti niama li da byde da chistish pyrvo IP - to i sled tova da go setvash... Ako e taka oznachava li che na opredeleno vreme trebe da go puskash tozi script(cronjob naprimer). Hm... ami da, nali tova bjah napisal v postinga: `arp -d IP_ADDRESS` za da razkarash entry-to za tozi IP v ARP tablicata i `arp -s IP_ADDRESS MAC_ADDRESS` za da go zakovesh kum daden MAC address. Za auto update na arp table - da i ne. Tezi koito setnesh tvurdo taka shte si stojat, a za koito ne si ukazval izrichno - shte si se update-vat (ako sum razbral pravilno kakvo pitash). Opredelenoto vreme pri nas e pri startup na mashinata, v edin rc script si gi setvame. Userite ni ne se promenjat s koj znae kakva dinamika, napravo s nikakva daze. Ima li nachin na ARP-to da byde zabraneno avtomatichnoto dobaviane na zapisi tam. Kude e tam? Take care Boris Jordanov (borj) [EMAIL PROTECTED] ICQ 10751645 PGP-key-fingerprint:-- CB23 8B52 5FBC F36A 1B61 F1ED 2831 E52D AAFF 7B08 -- Public-key:--- http://borj.freeshell.org/borj.asc -- If one does not know to which port is sailing, no wind is favorable. --- Èçáåðè çàâåäåíèå è íàïðàâè ðåçåðâàöèÿ òóê: http://app.netinfo.bg/zavedenia/ === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
On Thu, 29 Nov 2001, George Danchev wrote: On Thursday 29 November 2001 17:31, you wrote: Èñêàø äà êàæåø, ÷å MAC àäðåñà íå ìîæå äà ñå ñìåíè ëè ??? eth0 Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:192.168.10.20 Bcast:192.168.10.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4874265 errors:334435 dropped:11 overruns:0 frame:0 TX packets:503073 errors:7 dropped:0 overruns:7 carrier:0 collisions:18676 txqueuelen:100 Interrupt:10 Base address:0xd400 eth0:1Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:10.0.0.20 Bcast:10.255.255.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:10 Base address:0xd400 ßâíî íå ñè ïîïàäàë íà çëîíàìåðåíè õîðà.. Íà ×åòâúðòúê 29 Íîåìâðè 2001 17:39, âèå íàïèñàõòå: shto puk ne? blah, za smqnata na MAC-a bqh 4uval samo i si mislih 4e ponastoqstem e legenda vse oste, vinata e na proizvoditelite na NIC , vsustnost ne mi e qsno kakvo pe4elqt ot tova . No vse pak kolko sa userite kojto znaqt kak da se zadobiqt i setnat privilegirovani IP-MAC ot arp table-a na dadeniq gateway/router. Drugoto za koeto se setam e da prekarash vsi4ki prez proxy-to za authentification, if fail - no service. -- Purvo, tova za smqnata na mac adresa se e nalagolo otdavna, za nqkoi protocoli kato decnet, koito iziskvat vsichki eth interfaces na mashinata da imat eidn i sushti mac adress( za chii *** - dqvol znae ). Inache, naj-secure nachina e s pppoe , dazhe Ivajlo Toshev beshe napisal takava programka ( LANUTA ) , koqto dosta dobre se opravqshe i s trafic accounting-a. Ili 3tiq variant e da fixirate po krajnite ustrojstva ( switchove/hubove) pozvolenite mac adresi ot koito mozhe da idva info na nqkoj port... Obache e baq skupo reshenie. === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re[2]: ZABRAVETE ZA MAC FILTRIRANE Re: Re: lug-bg: MAC+IP
Hello Boris, BJ OKie, stana jasno kakvi hvatki i chalumi sa poznati na sveta za da zaobikoli ogranicheniata. Choveka pitashe kak da si svurshi rabotata, ajde da se susredotochim vurhu tova. 1. Nali tochno tova se opitvame da napravim - da predlojim nai-dobre raboteshtoto reshenie 2. Mislia che diskusiata e polezna , zashtoto vseki ot nas se e sbluskval s podoben problem i spodelianeto na opit/idei/ hvatki i chalumi:) shte e polzeno. 3. Prav si che : --- Trjabva da se nameri chastno reshenie spored usloviata i konkretnata situacia. Maj generalno --- reshenie njama. Pak vechnata igra na gonenica :)) zatova misia che Yavor Atanasov [EMAIL PROTECTED] triabva sam da preceni situaciata okolo nego i vuz osnova na vsichkite mailove koito izpisahme, da se nasochi kum neshto puk nie shte pomagame ! :) Best regards, Pavelmailto:[EMAIL PROTECTED] === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
Yovore taka kakto si postavil uslovieto na zada4ata maj naistina nqma reshenie. Ne razbrah samo ideqta na Teodor Georgiev: iptables -P FORWARD DROP sled tova pootdelno za vsiaka karta si razreshava trafika... smeniai si MAC-a koolkoto iskash... -- stom user-a mozhe da si podbere i setne (gepi 4uzhda) dvojka MAC-IP koqto e ot razreshenite za obsluzhvane, to togava gornoto ne reshava problema spored men. Trqbva da kazhesh zasto to4no iskash da vurzhesh daden MAC za dadeno IP, t.e. kakyv kraen rezultat gonish da postignesh vruzvajki daden MAC za opredeleno IP? mozhe bi ste postignesh pak krajniq rezultat no po drug pyt , naprimer 4rez authentifikaciq na usera, i pak ste se dokopash do konkretniq user ako tova e celta na zanqtieto. Tova s PPP over Ether (prez ppp za da go authentificira , tova e ideqta dokolkoto razbiram ...) mozhe i da svyrshi rabota. Maj suhranqvashe nesto v SQL baza oba4e, ne pomnq no beshe diskutirano dosta otdavna. Purvo, tova za smqnata na mac adresa se e nalagolo otdavna, za nqkoi protocoli kato decnet, koito iziskvat vsichki eth interfaces na mashinata da imat eidn i sushti mac adress( za chii *** - dqvol znae ). Inache, naj-secure nachina e s pppoe , dazhe Ivajlo Toshev beshe napisal takava programka ( LANUTA ) , koqto dosta dobre se opravqshe i s trafic accounting-a. e Ivo da se proiznese kompetentno i da kazhe de e programkata, ako e free estestveno:) Ili 3tiq variant e da fixirate po krajnite ustrojstva ( switchove/hubove) pozvolenite mac adresi ot koito mozhe da idva info na nqkoj port... Obache e baq skupo reshenie. kato nqkoj Managed na Allied Telesyn $$$ Series ...(maj ne bqha GPL'd naistina:) -- Greets, fr11zb1 === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP+mnogo offtopic
Izchetoh vsichkite otgovori. Tochnija problem e che stava vupros za Win95 computri na koito po ideja ne mozhe da im se smeni MAC (taka kazvat ili pone se nadjavat). Po princip problema ne e moj, no tuj kato iskam da reshavam podobni problemi pri men (ne na Win95 rabira se:) zatova go zadadoh. Men po-tochno me interesuva accounting na masquerading-a i dosega sum zadaval baja vuprosi v taja posoka. Naj bi mi haresalo neshto ot typa na proxy authentication ili pppoe s izrichna authentikacija a ne po IP ili po MAC. Mojte mashini sa osnovno Win98, 2-3 na WinMe, 4-5 na Windows 2000 Pro 3 Linux-a i edin Windows 2000 Server sus MS Proxy na nego (accounting) Dva ot Linux-ite sa serveri - file-ov i firewall. Instalirah edno MDK 8.1 s ideja pone kato nachalo da zamenja firewall-a (ipchains) s iptables i njakakuv accounting na nego (da mahna MS Proxy-to zashtoto mashinata mi e nuzhna za drugi celi). Na sushtija Linux shte trjabva da vurvi qmail (nego go poznavam pone malko vuv varianta Mailbox) sus SMTP autentication zashtoto imam laptopi, koito se opitvat da si chekvat (i estestveno da prashtat) poshtata ponjakoga ot drugija kraj na sveta. Trjabva mi i WEB interface za qmail (no tova mozhe i da izchaka). Tuj kato opita mi e mnogo maluk do momenta ne moga da pusna iptables s accounting. Kakto sami se seshtate tursja neshto po-lesno za instalacija (oshte poveche nablizhava kraja na godinata i ima kup drugi zadachi - ne sum samo Sysadmin [nabeden]:. Imashe mnogo otgovori - iproute si spomnjam primerno, no vsichko tova e malko kato kitajsko pismo. Da zavursha s konkretetni vuprosi: 1. Naj-lesnija accounting za iptables (Pentium 200 MMX, 64 MB RAM) 2. Po user-friendly (po Windowski tip ako shtete) sredstvo za nastrojka na iptables (pone blizuk analog na ipchains pone) Vsichko tova mozhe bi vi otegchi, no tova sa mi problemite nakup. Ako mozhe njakoj da otgovori izcjalo ili na chasti shte sum mnogo blagodaren. Yasno mi e che nikoj njama da mozhe da mi reshi problemite s magicheska pruchka (cheta Harry Potter v momenta :))), no vsjaka pomosht e dobre doshla. Izvinjavam se za prostrannoto pismo, no veche minava 8 i javno umorata si kazva dumata Leka vecher na tezi koito prochetat tova predi da si legnat :) Yavor Atanasov - Original Message - From: George Danchev [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, November 29, 2001 7:03 PM Subject: Re: lug-bg: MAC+IP Yovore taka kakto si postavil uslovieto na zada4ata maj naistina nqma reshenie. Ne razbrah samo ideqta na Teodor Georgiev: iptables -P FORWARD DROP sled tova pootdelno za vsiaka karta si razreshava trafika... smeniai si MAC-a koolkoto iskash... -- stom user-a mozhe da si podbere i setne (gepi 4uzhda) dvojka MAC-IP koqto e ot razreshenite za obsluzhvane, to togava gornoto ne reshava problema spored men. Trqbva da kazhesh zasto to4no iskash da vurzhesh daden MAC za dadeno IP, t.e. kakyv kraen rezultat gonish da postignesh vruzvajki daden MAC za opredeleno IP? mozhe bi ste postignesh pak krajniq rezultat no po drug pyt , naprimer 4rez authentifikaciq na usera, i pak ste se dokopash do konkretniq user ako tova e celta na zanqtieto. Tova s PPP over Ether (prez ppp za da go authentificira , tova e ideqta dokolkoto razbiram ...) mozhe i da svyrshi rabota. Maj suhranqvashe nesto v SQL baza oba4e, ne pomnq no beshe diskutirano dosta otdavna. Purvo, tova za smqnata na mac adresa se e nalagolo otdavna, za nqkoi protocoli kato decnet, koito iziskvat vsichki eth interfaces na mashinata da imat eidn i sushti mac adress( za chii *** - dqvol znae ). Inache, naj-secure nachina e s pppoe , dazhe Ivajlo Toshev beshe napisal takava programka ( LANUTA ) , koqto dosta dobre se opravqshe i s trafic accounting-a. e Ivo da se proiznese kompetentno i da kazhe de e programkata, ako e free estestveno:) Ili 3tiq variant e da fixirate po krajnite ustrojstva ( switchove/hubove) pozvolenite mac adresi ot koito mozhe da idva info na nqkoj port... Obache e baq skupo reshenie. kato nqkoj Managed na Allied Telesyn $$$ Series ...(maj ne bqha GPL'd naistina:) -- Greets, fr11zb1 === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
On Thu, Nov 29, 2001 at 06:11:55PM +0200, Vasil Kolev wrote: On Thu, 29 Nov 2001, George Danchev wrote: On Thursday 29 November 2001 17:31, you wrote: Èñêàø äà êàæåø, ÷å MAC àäðåñà íå ìîæå äà ñå ñìåíè ëè ??? eth0 Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:192.168.10.20 Bcast:192.168.10.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4874265 errors:334435 dropped:11 overruns:0 frame:0 TX packets:503073 errors:7 dropped:0 overruns:7 carrier:0 collisions:18676 txqueuelen:100 Interrupt:10 Base address:0xd400 eth0:1Link encap:Ethernet HWaddr 00:11:22:33:44:55 inet addr:10.0.0.20 Bcast:10.255.255.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Interrupt:10 Base address:0xd400 ßâíî íå ñè ïîïàäàë íà çëîíàìåðåíè õîðà.. Íà ×åòâúðòúê 29 Íîåìâðè 2001 17:39, âèå íàïèñàõòå: shto puk ne? blah, za smqnata na MAC-a bqh 4uval samo i si mislih 4e ponastoqstem e legenda vse oste, vinata e na proizvoditelite na NIC , vsustnost ne mi e qsno kakvo pe4elqt ot tova . No vse pak kolko sa userite kojto znaqt kak da se zadobiqt i setnat privilegirovani IP-MAC ot arp table-a na dadeniq gateway/router. Drugoto za koeto se setam e da prekarash vsi4ki prez proxy-to za authentification, if fail - no service. -- Purvo, tova za smqnata na mac adresa se e nalagolo otdavna, za nqkoi protocoli kato decnet, koito iziskvat vsichki eth interfaces na mashinata da imat eidn i sushti mac adress( za chii *** - dqvol znae ). Inache, naj-secure nachina e s pppoe , dazhe Ivajlo Toshev beshe napisal takava programka ( LANUTA ) , koqto dosta dobre se opravqshe i s trafic accounting-a. Ili 3tiq variant e da fixirate po krajnite ustrojstva ( switchove/hubove) pozvolenite mac adresi ot koito mozhe da idva info na nqkoj port... Obache e baq skupo reshenie. iptables/netfilter ima vyzmozhnost za filtrirane po MAC address, tyi che i taa syshto stava -- _ Luben Karavelov[phone] +359 2 9877088 Network Administrator [ICQ#] 34741625 ~ msg07847/pgp0.pgp Description: PGP signature
Re: ZABRAVETE ZA MAC FILTRIRANE Re: Re: lug-bg: MAC+IP
A kakvo shte pravish , ako sum si vzel root/admin na mashinata na drugarcheto , drupnal sum mu key-ovete/passworda , smenil sum si IP-to i MAC-a ?!?!!? Ok, kazvam :) Eto edno Linux workstation drugar4e na koeto si otkradnal naj-bezsramno vsi4kite gorni nesta ... samo 4e ako e realizirano PPPoE za auth i se dial-upva s wvdial (syotvetno s opciq ASK PASSWORD v wvdial.conf, za da pita vseki pyt za pass-a pri startirane, a ne samiq password da se taralqnka nqkude po diska) ste trqbva da me snimash ot nqkude s skrita kamera koi keys natiskam kogato vyvezhdam pass-a za pppoe ili da se snimash sam s gornite nesta koito si otkradnal :))) Best regards, Pavelmailto:[EMAIL PROTECTED] Oste po-best regards -- Greets, fr11zb1 === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
On Thursday 29 November 2001 16:47, you wrote: az bih go napravil mnogo zverski. 1. Izgrazhdam si edna bazichka s danni, relacia MAC - IP A gadniara po niakakva slu4ainost znae MAC i IP na dobroto drugar4e ot sysednata staia. Relaciata pak shte e viarna :) Ako e s *NIX nikvi griji da si gi smeni i dvete. Ako e s Win :) . Ami izkazanoto mnenie , 4e pod Win ne moje da se smenia MAC ne e viarno( dori i da ne razpolagash sys NIC koito dava vyzmojnost za smiana na MAC-a.) No NDIS-a ne predostavia sredstva s koito da smenish adresa dokladvan ot NIC miniport driver-a pri activirane na NIC-a. otvyn. No eto edna primerna shema za deistvie s koiato bi se spravil vseki koito ima opit v programiraneto na C- ne e neobhodim opit v pisaneto na NDIS NIC miniports :) 1. Otska4a do otsreshnia magazin za comuterni komponenti i si kupuva za $7-8 niakoia __ne__2k compatible ( naprimer rtl8029 ). 2. instalira si M$VC i NTDDK 3. namira v primernia driver ot NTDDK ne2000 funkciata NE2000QueryInfo() i v za OID_802_3_CURRENT_ADDRESS prepravia da se vryshta konstanten niz( MAC-a na dobroto drugar4e ), vmesto pro4etenia ot eprom-a 4. build 5. install. 6. Voila Viarvam, 4e v tozi list niama hora koito biha izpolzvali zlonamereno gornata shema. :) 2. s arpping obozhdam i sravniavam. 3. Ako vidia nesuotvetstvie, s iptables mu bicha edin DROP na MAC adresa i chakam da doide da pita shto niama Net ;))) - Original Message - From: Yavor Atanasov To: [EMAIL PROTECTED] Sent: Thursday, November 29, 2001 2:22 PM Subject: lug-bg: MAC+IP Trjabva da napravja taka, 4e v mrejata na MAC adres da otgovarja samo edin IP adres! I da ne moje tozi PC da vzema drug IP adres (nito ot DHCP nito statichen adres)! Kak mozhe da stane tova? Yavor Atanasov Content-Type: text/html; charset=windows-1251; name=Attachment: 1 Content-Transfer-Encoding: quoted-printable Content-Description: === A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers) http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
Re: lug-bg: MAC+IP
Àáå âèå ìàé çàáðàâÿòå, ÷åâ àäìèíèñòðèðàíåòî èìà è ÷îâåøêè ôàêòîð, êîéòî å òî÷íî ñèñòåìíèÿò àäìèíèñòðàòîð. Òàêà, ÷åíåêà ñè ñìåíÿò IP-òà, MAC-îâå,íî êîãàòî íÿêîé íå ìó õàðåñâà ùå ñå îïëà÷å èìåííî íà Âàñ - ñèñòåìíèòå àäìèíèñòðàòîðè. À âèå ìîæåòå äà ðåøèòå äàëè òîçè êîéòî ïðàâè ìèçåðèèòåçàñëóæàâà äà ìó ñå îáúðíå âíèìàíèå - åäèí ìàëúê ðàçãîâîð, êëîíÿù êúììîíîëîã íà âèñîê òîí èëè ïðîñòî ìó äúðïàø êàáåëà èïîñëå äà ñå ïðàâè íà õàêåð êîëêîòî ñè èñêà. Àêî íÿêîé èñêà íåùî ïî-ñèãóðíî VPN ðàçáèðà ñå å äîáðî ðåøåíèå (ìàêàð, ÷å ìàé ãëåäàõ íÿêúäå VPNpasswod sniffer) íî ìèñëÿ, ÷å âñè÷êè òåçè êðèïòèðàíè ïîòîöè ùåèçèñêâàò è äîñòà äîáúð ïðîöåñîð çà ñúðâúðà, êîéòîèíà÷å, ñàìî ñ ipchains èëè iptables ìîæå è äà å íàé-îáèêíîâåí 486 ;) --- ProSyst Bulgaria Ltd.Valentin Valchev 48 Vladajska Str.Project Manager Sofia 1606, Bulgaria Dept: mBedded Server/Broadband http://www.prosyst.com/ Phone: +359 02 (9631394) 223 --- Leading Software Technology for Open Service Gateways
