[SECURITY] [DSA 5251-1] isc-dhcp security update

2022-10-06 Thread Salvatore Bonaccorso
https://www.debian.org/security/faq - - Package: isc-dhcp CVE ID : CVE-2022-2928 CVE-2022-2929 Debian Bug : 1021320 Several vulnerabilities have been discovered in the ISC DHCP client, relay

[SECURITY] [DSA 4133-1] isc-dhcp security update

2018-03-07 Thread Salvatore Bonaccorso
https://www.debian.org/security/faq - - Package: isc-dhcp CVE ID : CVE-2017-3144 CVE-2018-5732 CVE-2018-5733 Debian Bug : 887413 891785 891786 Several vulnerabilities have been discovered

Re: [SECURITY] [DSA 2216-1] isc-dhcp security update

2011-04-11 Thread Nico Golde
Hi, * Kurt Roeckx k...@roeckx.be [2011-04-11 00:29]: On Sun, Apr 10, 2011 at 11:55:28PM +0200, Nico Golde wrote: We recommend that you upgrade your isc-dhcp packages. I'm guessing that for the update to be active we need to bring down any interface that is using the client? (Or reboot

Re: [SECURITY] [DSA 2216-1] isc-dhcp security update

2011-04-10 Thread Kurt Roeckx
On Sun, Apr 10, 2011 at 11:55:28PM +0200, Nico Golde wrote: We recommend that you upgrade your isc-dhcp packages. I'm guessing that for the update to be active we need to bring down any interface that is using the client? (Or reboot.) The server seems to be restarted on upgrade. Kurt

No DSA for isc-dhcp

2011-03-04 Thread David Prévot
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 [ Please keep me CC ] Hi, Version 4.1.1-P1-15+squeeze1 of isc-dhcp was updated yesterday but no DSA were sent about it, and the security tracker [0] still marks this package vulnerable. [0] http://security-tracker.debian.org/tracker/CVE-2011-0413

Re: dhcp delivered subnet broadcast address: 255.255.255.255

2009-01-29 Thread Matt Kincaid
Hello, I'm having the same issue. I can broadcast to the ###.###.###.255 fine but my switches/routers throw out 255.255.255.255. Have you found any solution? Matt Kincaid --- DISCLAIMER: Information contained in this

Re: dhcp delivered subnet broadcast address: 255.255.255.255

2009-01-29 Thread Miroslaw Kwasniak
On Thu, Jan 29, 2009 at 12:26:46PM -0800, Matt Kincaid wrote: Hello, I'm having the same issue. I can broadcast to the ###.###.###.255 fine but my switches/routers throw out 255.255.255.255. Routers must have dhcp-relay function. -- To UNSUBSCRIBE, email to debian-security-requ

Fwd: dhcp-2 Security Announcement

2004-11-09 Thread Jan Lühr
Greetings, just asking, cause it is relevant for me: Will there be new official stable packages in the next few days (3-4)? (If not, I've to patch it by myself) Keep smiling yanosz ---BeginMessage--- *** From dhcp-announce -- To unsubscribe, see the end of this message. *** Debian has

Re: Fwd: dhcp-2 Security Announcement

2004-11-09 Thread martin f krafft
also sprach Jan Lühr [EMAIL PROTECTED] [2004.11.09.2128 +0100]: Will there be new official stable packages in the next few days (3-4)? (If not, I've to patch it by myself) They are already there, and have been for 5 days. http://www.debian.org/security/2004/dsa-584 You should upgrade to dhcp3

Re: Fwd: dhcp-2 Security Announcement

2004-11-09 Thread Bartosz Fenski aka fEnIo
On Tue, Nov 09, 2004 at 09:28:34PM +0100, Jan Lühr wrote: just asking, cause it is relevant for me: Will there be new official stable packages in the next few days (3-4)? (If not, I've to patch it by myself) Please read that announcement more careful. It is fixed in stable already. regards

Re: Fwd: dhcp-2 Security Announcement

2004-11-09 Thread Jan Lühr
Greetings, Am Dienstag, 9. November 2004 21:44 schrieb Bartosz Fenski aka fEnIo: On Tue, Nov 09, 2004 at 09:28:34PM +0100, Jan Lühr wrote: just asking, cause it is relevant for me: Will there be new official stable packages in the next few days (3-4)? (If not, I've to patch it by myself)

Re: Fwd: dhcp-2 Security Announcement

2004-11-09 Thread Noèl Köthe
Am Dienstag, den 09.11.2004, 21:28 +0100 schrieb Jan Lhr: Will there be new official stable packages in the next few days (3-4)? (If not, I've to patch it by myself) Debian has recently distributed a security advisory on the dhcp-2.0pl5 package they distribute. You can read about

[SECURITY] [DSA 584-1] New dhcp packages fix format string vulnerability

2004-11-04 Thread Martin Schulze
http://www.debian.org/security/faq - -- Package: dhcp Vulnerability : format string vulnerability Problem-Type : remote Debian-specific: no CVE ID : CAN-2004-1006 infamous41md noticed

Re: DHCP - rootkit

2002-11-02 Thread Phillip Hofmeister
On Fri, 01 Nov 2002 at 06:41:43PM -0400, Peter Cordes wrote: MD5 is still believed to be secure. i.e. Nobody can modify a binary so that it has different contents but the same MD5 hash, unless they are _very_ _very_ lucky. The task becomes even more difficult if you check the length of the

Re: DHCP - rootkit

2002-11-02 Thread Phillip Hofmeister
On Fri, 01 Nov 2002 at 06:41:43PM -0400, Peter Cordes wrote: MD5 is still believed to be secure. i.e. Nobody can modify a binary so that it has different contents but the same MD5 hash, unless they are _very_ _very_ lucky. The task becomes even more difficult if you check the length of the

Re: DHCP - rootkit

2002-11-01 Thread Peter Cordes
On Tue, Oct 29, 2002 at 05:10:12PM -0800, Alvin Oga wrote: am not as worried about the determined hacker/crackers that can modify binaries such that md5sum matches my tripewire db and other security precautions (databases and baseline) of my servers MD5 is still believed to be secure. i.e.

Re: DHCP - rootkit

2002-11-01 Thread Peter Cordes
On Tue, Oct 29, 2002 at 05:10:12PM -0800, Alvin Oga wrote: am not as worried about the determined hacker/crackers that can modify binaries such that md5sum matches my tripewire db and other security precautions (databases and baseline) of my servers MD5 is still believed to be secure. i.e.

Re: DHCP

2002-10-29 Thread Phillip Hofmeister
. I take an 802.11b card and can pick an addy even If I am just joe smo public. Draw a 1000 feet circle around your wireless AP and that is the range at which I can get an addy from your DHCP... -- Excuse #71: Someone is standing on the Ethernet cable causing a kink in the cable Phil PGP/GPG

Re: DHCP

2002-10-29 Thread Phillip Hofmeister
CLient) - WAP - Server (DHCP AND IPSEC Host) - Local Network. In order to get inside the network you will have to get past the IPSEC Host, which of course will require a key that has a valid certificate from the local CA. Just a thought... -- Excuse #218: The co-locator cannot verify the frame

RE: DHCP

2002-10-29 Thread Christopher Medalis
We are currently looking into wireless where I work also. Just a few weeks ago, we had this company come in to give a demo of an appliance that enforces restrictions on the wireless network. http://www.verniernetworks.com/ It seems to be along the path of what we are looking for, YMMV. Oh, and

Re: DHCP

2002-10-29 Thread Noah L. Meyerhans
On Tue, Oct 29, 2002 at 09:35:01AM -0500, Phillip Hofmeister wrote: Laptop (IPSEC CLient) - WAP - Server (DHCP AND IPSEC Host) - Local Network. In order to get inside the network you will have to get past the IPSEC Host, which of course will require a key that has a valid certificate from

Re: DHCP - rootkit

2002-10-29 Thread Alvin Oga
hi ya rick yes... got that part ... ( the after breaking in part ) was exepecting to see it helps one to breakin and exploit the vulnerabilities so it didn't sink in at first when i was reading all the talk-backs ( didnt see what i wanted to see ;-) thanx alvin On Mon, 28 Oct 2002,

Re: DHCP - rootkit

2002-10-29 Thread Dale Amon
A rootkit is a selection of modified standard programs that usually replace (among others) ls ps netstat users and pretty much everything else you would use to check your machine. It will also include a backdoor. Sometimes the primary part of the rootkit is

Re: DHCP - rootkit

2002-10-29 Thread Alvin Oga
hi ya dale Rootkits are *INSTALLED* after a successful root exploit. maybe i missing something here ... that i been wonderng about for years.. if they exploited a root vulnerability and got in... why modify silly binaries like ps, top, ls, find, etf ?? that gives themself away as having

Re: DHCP - rootkit

2002-10-29 Thread Alvin Oga
hi ya dale if anybody modifies the typical binaries.. i'll know within the hour.. hourly/randomly system checks or instaneously if i happen to be reading emails at the time ... they are attacking... i say modifying files is a give away .. that says come find me which is trivial since its

Re: DHCP - rootkit

2002-10-29 Thread Noah L. Meyerhans
On Tue, Oct 29, 2002 at 04:12:54PM -0800, Alvin Oga wrote: i say modifying files is a give away .. that says come find me which is trivial since its modified binaries If they do it right, it's not a giveaway. If they're quick, thorough, and accurate, they can certainly do it right. On

Re: DHCP - rootkit

2002-10-29 Thread Alvin Oga
files, topology, passwds etc - 80-90% of all these attempts are users trying to bypass corp security policy - or just playing .. tripping all the alrms in the process of testing/learning what they can do - and they very quickly find dhcp is disallowed

Re: DHCP

2002-10-29 Thread Brandon High
On Mon, Oct 28, 2002 at 07:38:38PM -0600, Hanasaki JiJi wrote: Too bad there is no way to do a secure handshake w/ an id/password or even SecureID cards. That's the idea behind PPPoE. Yuck. -B -- Brandon High [EMAIL PROTECTED] '98 Kawi ZX-7R Wasabi, '98

Re: DHCP

2002-10-29 Thread Phillip Hofmeister
CLient) - WAP - Server (DHCP AND IPSEC Host) - Local Network. In order to get inside the network you will have to get past the IPSEC Host, which of course will require a key that has a valid certificate from the local CA. Just a thought... -- Excuse #218: The co-locator cannot verify the frame

RE: DHCP

2002-10-29 Thread Christopher Medalis
We are currently looking into wireless where I work also. Just a few weeks ago, we had this company come in to give a demo of an appliance that enforces restrictions on the wireless network. http://www.verniernetworks.com/ It seems to be along the path of what we are looking for, YMMV. Oh, and

Re: DHCP

2002-10-29 Thread Noah L. Meyerhans
On Tue, Oct 29, 2002 at 09:35:01AM -0500, Phillip Hofmeister wrote: Laptop (IPSEC CLient) - WAP - Server (DHCP AND IPSEC Host) - Local Network. In order to get inside the network you will have to get past the IPSEC Host, which of course will require a key that has a valid certificate from

Re: DHCP - rootkit

2002-10-29 Thread Alvin Oga
hi ya rick yes... got that part ... ( the after breaking in part ) was exepecting to see it helps one to breakin and exploit the vulnerabilities so it didn't sink in at first when i was reading all the talk-backs ( didnt see what i wanted to see ;-) thanx alvin On Mon, 28 Oct 2002,

Re: DHCP - rootkit

2002-10-29 Thread Dale Amon
A rootkit is a selection of modified standard programs that usually replace (among others) ls ps netstat users and pretty much everything else you would use to check your machine. It will also include a backdoor. Sometimes the primary part of the rootkit is

Re: DHCP - rootkit

2002-10-29 Thread Alvin Oga
hi ya dale Rootkits are *INSTALLED* after a successful root exploit. maybe i missing something here ... that i been wonderng about for years.. if they exploited a root vulnerability and got in... why modify silly binaries like ps, top, ls, find, etf ?? that gives themself away as having

Re: DHCP - rootkit

2002-10-29 Thread Dale Amon
On Tue, Oct 29, 2002 at 03:28:20PM -0800, Alvin Oga wrote: if they exploited a root vulnerability and got in... why modify silly binaries like ps, top, ls, find, etf ?? that gives themself away as having modified the system No it doesn't. It makes them and everything they do vanish into thin

Re: DHCP - rootkit

2002-10-29 Thread Alvin Oga
hi ya dale if anybody modifies the typical binaries.. i'll know within the hour.. hourly/randomly system checks or instaneously if i happen to be reading emails at the time ... they are attacking... i say modifying files is a give away .. that says come find me which is trivial since its

Re: DHCP - rootkit

2002-10-29 Thread Noah L. Meyerhans
On Tue, Oct 29, 2002 at 04:12:54PM -0800, Alvin Oga wrote: i say modifying files is a give away .. that says come find me which is trivial since its modified binaries If they do it right, it's not a giveaway. If they're quick, thorough, and accurate, they can certainly do it right. On

Re: DHCP - rootkit

2002-10-29 Thread Alvin Oga
files, topology, passwds etc - 80-90% of all these attempts are users trying to bypass corp security policy - or just playing .. tripping all the alrms in the process of testing/learning what they can do - and they very quickly find dhcp is disallowed

DHCP

2002-10-28 Thread Stewart James
I was hoping someone could help me out here. Currently I am still on a netowrk using static IP configurationon each machine, we are finally moving towards DHCP. Are there any security considerations to be made to ensure there is no gapping security hole. the various howto's I have seen don;t seem

Re: DHCP

2002-10-28 Thread Steve Johnson
As far as I know there's not much to it, my dhcp server was very simple to set up with very little security options. My only suggestion is just make sure you have the latest version, and make sure you have the security updates source in your sources.list file for your dists ie: deb http

RE: DHCP

2002-10-28 Thread Jones, Steven
u could set dhcp to give out a fixed address dependant on a mac address, this would stop just anybody plugging a box into a network, if your network is physically secure then thats not a worry. (a cat5 jack in reception or some other public place is dodgy) Otherwise dhcp makes life easier...its

RE: DHCP

2002-10-28 Thread Stewart James
of security wise as far as moving to DHCP will go. Thanks for the various responses, if someone still thinks of a big issue I would love to hear it. Cheers, Stewart On Tue, 29 Oct 2002, Jones, Steven wrote: Date: Tue, 29 Oct 2002 12:19:06 +1300 From: Jones, Steven [EMAIL PROTECTED

Re: DHCP

2002-10-28 Thread Andrew Sayers
I'm not a huge expert on all of this, but here are a couple of thoughts... Unless you're monitoring IP/MAC addresses to try and detect spoofing, knowing a machine's IP address is already useless from a security POV. Even then, MAC addresses can be spoofed. Given that, DHCP can't really make

Re: DHCP

2002-10-28 Thread Alvin Oga
hi andrew i think you want at least one level of protection against dhcp - prevent any tom, dick and harry from creating havoc by running their rootkits by connecting their laptop to the network - it is bad to allow just anybody plug in their laptops

RE: DHCP

2002-10-28 Thread Jones, Steven
locked to the MAC address they provide. Run arpwatch to look for illegal connections We are trialing wi-fi city wide, the wi-fi lan is behind a firewall and are blocking port 25, then opening up ports as requested based on merits. DHCP is the least of your worries... This is not really

RE: DHCP

2002-10-28 Thread Haines, Charles Allen
Well here at WPI, we have to register each and every MAC address that we wish to use on campus. If your MAC address isn't registered, you get no network. It works the same way with wireless. And to the best of my knowledge, DHCP is used. - Chuck Haines

Re: DHCP

2002-10-28 Thread Hanasaki JiJi
Too bad there is no way to do a secure handshake w/ an id/password or even SecureID cards. Any way to make the same host name resolve to your IP irreguardless of what IP is allocted to your box by dhcp? Haines, Charles Allen wrote: Well here at WPI, we have to register each and every MAC

RE: DHCP

2002-10-28 Thread Haines, Charles Allen
28, 2002 8:39 PM To: Haines, Charles Allen Cc: [EMAIL PROTECTED] Subject: Re: DHCP Too bad there is no way to do a secure handshake w/ an id/password or even SecureID cards. Any way to make the same host name resolve to your IP irreguardless of what IP is allocted to your box by dhcp? Haines

Re: DHCP

2002-10-28 Thread Rick Moen
Quoting Alvin Oga ([EMAIL PROTECTED]): i think you want at least one level of protection against dhcp - prevent any tom, dick and harry from creating havoc by running their rootkits by connecting their laptop to the network Um, Alvin? You might want to look up

Re: DHCP

2002-10-28 Thread Jason Clarke
- Original Message - From: Haines, Charles Allen [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Tuesday, October 29, 2002 12:35 PM Subject: RE: DHCP Well here at WPI, we have to register each and every MAC address that we wish to use on campus. If your MAC address isn't registered, you get

Re: DHCP

2002-10-28 Thread Alvin Oga
hi ya rick On Mon, 28 Oct 2002, Rick Moen wrote: Quoting Alvin Oga ([EMAIL PROTECTED]): i think you want at least one level of protection against dhcp - prevent any tom, dick and harry from creating havoc by running their rootkits by connecting their laptop

Re: DHCP

2002-10-28 Thread David U.
Jason Clarke wrote: Chuck, That sounds like a fantastic idea! Provide some sort of web interface where a student can use a library terminal or some such, plug in their MAC ADDR and their student number. I normally don't post a Good on you jim! message, but this one has set off ideas left

Re: DHCP

2002-10-28 Thread Rick Moen
Quoting Alvin Oga ([EMAIL PROTECTED]): Um, Alvin? You might want to look up the definition of rootkit. my definition ... anything that allows an un-educated user to just run that tool to break into other peoples network and machines ( there's too many rootkits to count ) That's just

Re: DHCP - rootkit

2002-10-28 Thread Alvin Oga
hi ya rick On Mon, 28 Oct 2002, Rick Moen wrote: Quoting Alvin Oga ([EMAIL PROTECTED]): Um, Alvin? You might want to look up the definition of rootkit. my definition ... anything that allows an un-educated user to just run that tool to break into other peoples network and machines

Re: DHCP

2002-10-28 Thread Andrew Sayers
On Mon, Oct 28, 2002 at 06:46:47PM -0800, Rick Moen wrote: This confusion has also come up elsewhere, on LinuxToday: http://linuxtoday.com/news_story.php3?ltsn=2002-09-20-011-26-SC-SV tht just talks about arresting some poor soul ?? Read the talkbacks, at the bottom. Specifically, I

Re: DHCP - rootkit

2002-10-28 Thread Rick Moen
Quoting Alvin Oga ([EMAIL PROTECTED]): i read all the talkbacks... - no definition of rootkit posted in the talkbacks Look again. Anyhow, a rootkit is not anything that allows an un-educated user to just run that tool to break into other peoples network and machines. It's something the

Re: DHCP

2002-10-28 Thread Rick Moen
Quoting Andrew Sayers ([EMAIL PROTECTED]): In practice, even a very low security barrier will stop the 90% of clueless abusers - but (to drag this thread bag on-topic), that's no excuse for basing the security of your network on a fundamentally insecure way of identifying computers. Right.

Re: DHCP

2002-10-28 Thread Brandon High
On Mon, Oct 28, 2002 at 07:38:38PM -0600, Hanasaki JiJi wrote: Too bad there is no way to do a secure handshake w/ an id/password or even SecureID cards. That's the idea behind PPPoE. Yuck. -B -- Brandon High [EMAIL PROTECTED] '98 Kawi ZX-7R Wasabi, '98

DHCP

2002-10-28 Thread Stewart James
I was hoping someone could help me out here. Currently I am still on a netowrk using static IP configurationon each machine, we are finally moving towards DHCP. Are there any security considerations to be made to ensure there is no gapping security hole. the various howto's I have seen don;t seem

Re: DHCP

2002-10-28 Thread Steve Johnson
As far as I know there's not much to it, my dhcp server was very simple to set up with very little security options. My only suggestion is just make sure you have the latest version, and make sure you have the security updates source in your sources.list file for your dists ie: deb http

RE: DHCP

2002-10-28 Thread Jones, Steven
u could set dhcp to give out a fixed address dependant on a mac address, this would stop just anybody plugging a box into a network, if your network is physically secure then thats not a worry. (a cat5 jack in reception or some other public place is dodgy) Otherwise dhcp makes life easier...its

RE: DHCP

2002-10-28 Thread Stewart James
of security wise as far as moving to DHCP will go. Thanks for the various responses, if someone still thinks of a big issue I would love to hear it. Cheers, Stewart On Tue, 29 Oct 2002, Jones, Steven wrote: Date: Tue, 29 Oct 2002 12:19:06 +1300 From: Jones, Steven [EMAIL PROTECTED

Re: DHCP

2002-10-28 Thread Andrew Sayers
I'm not a huge expert on all of this, but here are a couple of thoughts... Unless you're monitoring IP/MAC addresses to try and detect spoofing, knowing a machine's IP address is already useless from a security POV. Even then, MAC addresses can be spoofed. Given that, DHCP can't really make

Re: DHCP

2002-10-28 Thread Alvin Oga
hi andrew i think you want at least one level of protection against dhcp - prevent any tom, dick and harry from creating havoc by running their rootkits by connecting their laptop to the network - it is bad to allow just anybody plug in their laptops

RE: DHCP

2002-10-28 Thread Jones, Steven
locked to the MAC address they provide. Run arpwatch to look for illegal connections We are trialing wi-fi city wide, the wi-fi lan is behind a firewall and are blocking port 25, then opening up ports as requested based on merits. DHCP is the least of your worries... This is not really

RE: DHCP

2002-10-28 Thread Haines, Charles Allen
Well here at WPI, we have to register each and every MAC address that we wish to use on campus. If your MAC address isn't registered, you get no network. It works the same way with wireless. And to the best of my knowledge, DHCP is used. - Chuck Haines

Re: DHCP

2002-10-28 Thread Hanasaki JiJi
Too bad there is no way to do a secure handshake w/ an id/password or even SecureID cards. Any way to make the same host name resolve to your IP irreguardless of what IP is allocted to your box by dhcp? Haines, Charles Allen wrote: Well here at WPI, we have to register each and every MAC

RE: DHCP

2002-10-28 Thread Haines, Charles Allen
, 2002 8:39 PM To: Haines, Charles Allen Cc: debian-security@lists.debian.org Subject: Re: DHCP Too bad there is no way to do a secure handshake w/ an id/password or even SecureID cards. Any way to make the same host name resolve to your IP irreguardless of what IP is allocted to your box

Re: DHCP

2002-10-28 Thread Rick Moen
Quoting Alvin Oga ([EMAIL PROTECTED]): i think you want at least one level of protection against dhcp - prevent any tom, dick and harry from creating havoc by running their rootkits by connecting their laptop to the network Um, Alvin? You might want to look up

Re: DHCP

2002-10-28 Thread Jason Clarke
- Original Message - From: Haines, Charles Allen [EMAIL PROTECTED] To: debian-security@lists.debian.org Sent: Tuesday, October 29, 2002 12:35 PM Subject: RE: DHCP Well here at WPI, we have to register each and every MAC address that we wish to use on campus. If your MAC address isn't

Re: DHCP

2002-10-28 Thread Alvin Oga
hi ya rick On Mon, 28 Oct 2002, Rick Moen wrote: Quoting Alvin Oga ([EMAIL PROTECTED]): i think you want at least one level of protection against dhcp - prevent any tom, dick and harry from creating havoc by running their rootkits by connecting their laptop

Re: DHCP

2002-10-28 Thread David U.
Jason Clarke wrote: Chuck, That sounds like a fantastic idea! Provide some sort of web interface where a student can use a library terminal or some such, plug in their MAC ADDR and their student number. I normally don't post a Good on you jim! message, but this one has set off ideas left

Re: DHCP

2002-10-28 Thread Rick Moen
Quoting Alvin Oga ([EMAIL PROTECTED]): Um, Alvin? You might want to look up the definition of rootkit. my definition ... anything that allows an un-educated user to just run that tool to break into other peoples network and machines ( there's too many rootkits to count ) That's just

Re: DHCP - rootkit

2002-10-28 Thread Alvin Oga
hi ya rick On Mon, 28 Oct 2002, Rick Moen wrote: Quoting Alvin Oga ([EMAIL PROTECTED]): Um, Alvin? You might want to look up the definition of rootkit. my definition ... anything that allows an un-educated user to just run that tool to break into other peoples network and machines

Re: DHCP

2002-10-28 Thread Andrew Sayers
On Mon, Oct 28, 2002 at 06:46:47PM -0800, Rick Moen wrote: This confusion has also come up elsewhere, on LinuxToday: http://linuxtoday.com/news_story.php3?ltsn=2002-09-20-011-26-SC-SV tht just talks about arresting some poor soul ?? Read the talkbacks, at the bottom. Specifically, I

Re: DHCP - rootkit

2002-10-28 Thread Rick Moen
Quoting Alvin Oga ([EMAIL PROTECTED]): i read all the talkbacks... - no definition of rootkit posted in the talkbacks Look again. Anyhow, a rootkit is not anything that allows an un-educated user to just run that tool to break into other peoples network and machines. It's something the

Re: DHCP

2002-10-28 Thread Rick Moen
Quoting Andrew Sayers ([EMAIL PROTECTED]): In practice, even a very low security barrier will stop the 90% of clueless abusers - but (to drag this thread bag on-topic), that's no excuse for basing the security of your network on a fundamentally insecure way of identifying computers. Right.

Re: iptables not logging or dhcp-client lying?

2002-04-11 Thread Olaf Meeuwissen
(and a reply back in eventually, taking this one step at a time ;-). At least, that's what I thought I should do, but I noticed that packets are not logged! I think (but not sure) DHCP client is using (so called) raw sockets which are below the layer where iptables is in the kernel. That's

Re: iptables not logging or dhcp-client lying?

2002-04-11 Thread Olaf Meeuwissen
(and a reply back in eventually, taking this one step at a time ;-). At least, that's what I thought I should do, but I noticed that packets are not logged! I think (but not sure) DHCP client is using (so called) raw sockets which are below the layer where iptables is in the kernel. That's

Re: iptables not logging or dhcp-client lying?

2002-04-08 Thread Olaf Meeuwissen
at a time ;-). At least, that's what I thought I should do, but I noticed that packets are not logged! I think (but not sure) DHCP client is using (so called) raw sockets which are below the layer where iptables is in the kernel. That's why iptables is unable to see the packets. Looks like

Re: iptables not logging or dhcp-client lying?

2002-04-08 Thread Olaf Meeuwissen
at a time ;-). At least, that's what I thought I should do, but I noticed that packets are not logged! I think (but not sure) DHCP client is using (so called) raw sockets which are below the layer where iptables is in the kernel. That's why iptables is unable to see the packets. Looks like

Re: iptables not logging or dhcp-client lying?

2002-04-03 Thread Lupe Christoph
On Wednesday, 2002-04-03 at 14:02:20 +0900, Olaf Meeuwissen wrote: I am playing with packet filtering on a DHCP client and trying to get it done the right way. The right way is to dispense with DHCP. The protocol has no security whatsoever. Read RFC2131, 7. Security Considerations for details

Re: iptables not logging or dhcp-client lying?

2002-04-03 Thread Olaf Meeuwissen
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Lupe Christoph [EMAIL PROTECTED] writes: On Wednesday, 2002-04-03 at 14:02:20 +0900, Olaf Meeuwissen wrote: I am playing with packet filtering on a DHCP client and trying to get it done the right way. The right way is to dispense with DHCP

Re: iptables not logging or dhcp-client lying?

2002-04-03 Thread Gabor Kovacs
thought I should do, but I noticed that packets are not logged! I think (but not sure) DHCP client is using (so called) raw sockets which are below the layer where iptables is in the kernel. That's why iptables is unable to see the packets. (There is an option for Raw sockets in the kernel, and it can

Re: iptables not logging or dhcp-client lying?

2002-04-03 Thread Lupe Christoph
On Wednesday, 2002-04-03 at 14:02:20 +0900, Olaf Meeuwissen wrote: I am playing with packet filtering on a DHCP client and trying to get it done the right way. The right way is to dispense with DHCP. The protocol has no security whatsoever. Read RFC2131, 7. Security Considerations for details

Re: iptables not logging or dhcp-client lying?

2002-04-03 Thread Olaf Meeuwissen
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Lupe Christoph [EMAIL PROTECTED] writes: On Wednesday, 2002-04-03 at 14:02:20 +0900, Olaf Meeuwissen wrote: I am playing with packet filtering on a DHCP client and trying to get it done the right way. The right way is to dispense with DHCP

Re: iptables not logging or dhcp-client lying?

2002-04-03 Thread Gabor Kovacs
I should do, but I noticed that packets are not logged! I think (but not sure) DHCP client is using (so called) raw sockets which are below the layer where iptables is in the kernel. That's why iptables is unable to see the packets. (There is an option for Raw sockets in the kernel, and it can

iptables not logging or dhcp-client lying?

2002-04-02 Thread Olaf Meeuwissen
Dear .debs, I am playing with packet filtering on a DHCP client and trying to get it done the right way. Policy for all built-in chains is DROP and all packets are logged before they go plonk. I pulled the network cable while playing around. Debian GNU/Linux 3.0 kernel 2.4.18-tux, iptables

iptables not logging or dhcp-client lying?

2002-04-02 Thread Olaf Meeuwissen
Dear .debs, I am playing with packet filtering on a DHCP client and trying to get it done the right way. Policy for all built-in chains is DROP and all packets are logged before they go plonk. I pulled the network cable while playing around. Debian GNU/Linux 3.0 kernel 2.4.18-tux, iptables

Re: iptables vs DHCP

2002-03-05 Thread Harald Skoglund
mandag 4. mars 2002, 13:57, skrev Osvaldo Mundim Junior: Hi all, Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... iptables -A INPUT -p UDP -s dhcp-server --sport 67 --dport 68 -j ACCEPT -- Harald Skoglund -- To UNSUBSCRIBE, email

Re: iptables vs DHCP

2002-03-05 Thread Justin R. Miller
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Said Harald Skoglund on Tue, Mar 05, 2002 at 11:53:39AM +0100: Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... iptables -A INPUT -p UDP -s dhcp-server --sport 67 --dport 68 -j ACCEPT

Re: iptables vs DHCP

2002-03-05 Thread Harald Skoglund
mandag 4. mars 2002, 13:57, skrev Osvaldo Mundim Junior: Hi all, Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... iptables -A INPUT -p UDP -s dhcp-server --sport 67 --dport 68 -j ACCEPT -- Harald Skoglund

Re: iptables vs DHCP

2002-03-05 Thread Justin R. Miller
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Said Harald Skoglund on Tue, Mar 05, 2002 at 11:53:39AM +0100: Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... iptables -A INPUT -p UDP -s dhcp-server --sport 67 --dport 68 -j ACCEPT Here's

iptables vs DHCP

2002-03-04 Thread Osvaldo Mundim Junior
Hi all, Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... tks in advance... Osvaldo -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]

Re: iptables vs DHCP

2002-03-04 Thread Marcus Frings
Monday, March 04, 2002, 1:57:28 PM, Osvaldo Mundim Junior wrote: Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... Check the rules from the monmotha-iptables-script which can be downloaded from http://monmotha.mplug.org; In my network

Re: iptables vs DHCP

2002-03-04 Thread Justin R. Miller
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Said Osvaldo Mundim Junior on Mon, Mar 04, 2002 at 09:57:28AM -0300: Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... Have a look at 'firestarter' as well, a GNOME frontend to building firewall

iptables vs DHCP

2002-03-04 Thread Osvaldo Mundim Junior
Hi all, Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... tks in advance... Osvaldo

Re: iptables vs DHCP

2002-03-04 Thread Marcus Frings
Monday, March 04, 2002, 1:57:28 PM, Osvaldo Mundim Junior wrote: Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... Check the rules from the monmotha-iptables-script which can be downloaded from http://monmotha.mplug.org. In my network

Re: iptables vs DHCP

2002-03-04 Thread Justin R. Miller
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Said Osvaldo Mundim Junior on Mon, Mar 04, 2002 at 09:57:28AM -0300: Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... Have a look at 'firestarter' as well, a GNOME frontend to building firewall

Re: iptables vs DHCP

2002-03-04 Thread Olaf Meeuwissen
Osvaldo Mundim Junior [EMAIL PROTECTED] writes: Does anybody use iptables in a DHCP network? I want to know how would be some rule in this case... There were some messages flying around debian-firewall concerning DHCP and iptables. They don't seem to be in the archive yet, though. -- Olaf

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