Re: [leaf-user] Windows XP attacking my firewall?

2002-08-12 Thread Scott C. Best
Matt: That's an interesting firewall log. Two quick questions spring to mind: 1. The source-IP is 192.0.1.11, the dest is 192.0.1.7, but this is coming in on the eth0 interface of your firewall. So... how does your LEAF firewall connected to your WinXP box? I'm presuming that 19

Re: [leaf-user] 10.10.x.x network blocked by default?

2002-07-15 Thread Scott C. Best
Eyal: Heya. The problem adding some ACCEPT rules to allow one address to work, though, is that these rules must be inserted into the ipchains input chain *before* the rule which DENY's the whole range. Else the packet will be dropped before it gets to the forward chain. Me, I'm no

Re: [leaf-user] 10.10.x.x network blocked by default?

2002-07-15 Thread Scott C. Best
Tony: Heya. Yes, the 10.x.y.z private IP address range is blocked by the default firewall script that comes with Dachstein. You may want to try "echowall.lrp" which I built for Dachstein which doesn't do this. I had the same trouble with the standard Dachstein ruleset, and before long I ha

[leaf-user] Re: [Leaf-devel] is Bering GNU?

2002-07-13 Thread Scott C. Best
George: I just wanted to point out the obvious: > Is Bering GNU? > [snip] > ...I know asking for doc is a lot, but > maintaining a file of command lines used to make the binaries > from source would be an excellent first step. While I'm no expert, this is a new definition of GN

Re: [leaf-user] Anybody know what happened to:

2002-07-08 Thread Scott C. Best
AIL PROTECTED] wrote: > Aanhalen "Scott C. Best" <[EMAIL PROTECTED]>: > > > Just gambling here but couldn't a packet coming from the inside > with an echo request or (probably any data destined for 0.0.0.0) > provoke this kind off response? > > A capture of n

Re: [leaf-user] Anybody know what happened to:

2002-07-08 Thread Scott C. Best
Michael: Heya. Sorry about that. Paraphrasing a famous beagle, a ScriptAlias bug in your httpd.conf always appears when you're in the shower on vacation. :) Service is up again. Sorry for the delays... -Scott PS: These are some strange logs you're seeing. :) I believe they'

Re: [leaf-user] Basic Port Forwarding How-To

2002-06-30 Thread Scott C. Best
Stewart: Heya. Unfortunately, you've chosen a difficult application to start with: FTP is notoriously difficult to get working behind a NAT'ing firewall. Here's a PDF which explains why: ftp://ftp.echogent.com/docs/FTP_and_Firewalls.pdf As you can see, active FTP requires more t

Re: [leaf-user] Help with LaBrea - is it working?

2002-05-05 Thread Scott C. Best
Jabez: Heya. So you know up-front: I've not installed LaBrea on my systems here. I like the idea of it, of course, but haven't done anything about it. That being said, here's what I see below. Now that you've opened port-80, it looks like your sh-httpd process (which I believe is

Re: [leaf-user] Help with LaBrea - is it working?

2002-05-03 Thread Scott C. Best
Jabez: Heya. As you probably know, that log looks like a CodeRed worm (an IIS web-server virus from early last year). It also looks like your firewall is simply blocking this packet before any other process can see it, including LaBrea. This seems to me a Good Thing. :) -Scott > > I jus

Re: [Leaf-user] internal NAT question

2002-04-29 Thread Scott C. Best
Tony: Heya. Sorry for chiming in late, I had a busy weekend. :) I believe the information about ipmasqadm "bypassing" ipchains is incorrect. I've always known it to be described as: http://www.tldp.org/HOWTO/IPCHAINS-HOWTO-4.html Some nice ascii art there. Quoting from th

Re: [Leaf-user] VPN behind Dachstein

2002-04-26 Thread Scott C. Best
Morgan: Heya. I think you're doing two things incorrectly. First, you're using "iphains -A input ..." which means to Append the rule at the end of the input chain. So, it may be appendning it after rule #41 which is blocking it. You need either use -I to Insert the rule earlier in the cha

Re: [Leaf-user] help understanding ipchains output (newbie)

2002-04-19 Thread Scott C. Best
Mike: Heya. Some thoughts on what you're seeing: > Apr 18 15:44:50 firewall kernel: Packet log: input DENY eth0 PROTO=17 > 66.147.147.152:520 66.147.147.255:520 L=52 S=0x00 I=64309 F=0x > T=128(#40) These are UDP packets being broadcast to port 520 on all devices on your subn

Re: [Leaf-user] Can someone read this log, I think it was a DNSattack

2002-04-12 Thread Scott C. Best
DJ: I've updated the advice.txt file at: www.echogent.com/cgi-bin/fwlog.pl ...so that it correctly reports on these packets that you're seeing. Quick answer: it's a terribly sloppy type of load-balancing, not a DNS attack. If the SYN flag were set, I'd be much more worrie

RE: [Leaf-user] VPN behind Dachstein

2002-04-12 Thread Scott C. Best
> > 0 0 ACCEPT 47 -- 0xFF 0x00 eth0 > vpnserverip externalip n/a > 0 0 ACCEPT 1723 -- 0xFF 0x00 eth0 > vpnserverip externalip n/a > > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED]]

Re: [Leaf-user] VPN behind Dachstein

2002-04-12 Thread Scott C. Best
Dustin: Heya. Just a quick check to see if you've told your firewall to allow those protocol=47 packets to come through. You got the TCP port=1723 ones for PPTP right, but there's two pieces to it. -Scott > Hello, > >I am attempting to replace a 2.9.4 based firewall with Dachstein.

Re: [Leaf-user] ISP DHCP server is on RFC1918 address

2002-04-05 Thread Scott C. Best
Paul: Heya. This looks to me like a DHCP reply as well (checkout http://www.echogent.com/cgi-bin/fwlog.pl to see). I think RFC-1542 indicates that port-68 is where DHCP (aka, BOOTP) replies must sent *to*, and DHCP servers send them from port 67. Though I bet elsewhere in your logs, you ar

Re: [Leaf-user] Celeron/Pentium vs Duron/Athlon

2002-03-31 Thread Scott C. Best
Greg: Heya. A quick comment or two to your recent post: > > Is there a significant performance penalty when using a Celeron or > > Duron processor vs an Athlon or Pentium. Not just in speed but in in > > the ability to process. > > This is a really broad question. It all depends on what

Re: [Leaf-user] http

2002-03-25 Thread Scott C. Best
Brian: Heya. One caveat to Charles' reply that may be entirely obvious already: you need to have an "SSH account" on one of the machines in the remote system in order to setup such a tunnel. So you can use this method to, say, securely tunnel web access to weblet running on your LEAF box.

RE: [Leaf-user] vnc

2002-03-21 Thread Scott C. Best
all say to me that if you use VNC over the Internet, > you should do it through a well-encrypted tunnel. (I'd say the same thing > for other remote-control apps as well, of course, unless they have good, > built-in encryption. Generally, I think even most sysadmins are too trusting

RE: [Leaf-user] vnc

2002-03-21 Thread Scott C. Best
Some quick feedback to the security-conscious hyperbole about VNC that's flown across the list recently. In my experience, it's not exactly true that VNC has "very little" in the way of security. Some features it has (and I've used): 1. Via AuthHosts, you can specify which IP addresses a

Re: [Leaf-user] Can I stop logging by port?

2002-03-20 Thread Scott C. Best
Morgan: Hello! Have a look here: http://www.echogent.com/cgi-bin/fwlog.pl The IGMP packet you're seeing is coming from your ISP's router, as it's trying to find other routers directly connected to it. As the "firewall log explanation script" says, you can safely ignore a

Re: [Leaf-user] DNScache and hosts config question

2002-03-09 Thread Scott C. Best
winnt.private.network winnt I can see my WinNT Box (at .2) query the DS box for a reverse-lookup (PTR?) for 1.123.168.192, and I cannot see that the DH box replying with "pc.private.network". Hope this helps clarify. -Scott On Sat, 9 Mar 2002, Michael D. Schleif wrote: &g

[Leaf-user] DNScache and hosts config question

2002-03-09 Thread Scott C. Best
Heyaz. So I'm using a fairly stock DS relase, and I've a question about properly setting up dnscache and my "host" entries in network.conf. How can I keep my LAN machines from making PTR? requests to my ISP's DNS when trying to get host names for internal LAN machines? I've setup

Re: [Leaf-user] Dachstein migration successful!

2002-03-08 Thread Scott C. Best
Boyd: As Charles says, the docs on www.phoneboy.com/faq/0372.html suggest this is a lot like an IPSec connection. You may want to have a look at echoWall again, though: it supports both FW1 and IPSEC. You can enable or disable either of them, see what works. -Scott > > One guy behind my

Re: [Leaf-user] forwarding Protocal 47(gre) on Eigerstein LRP

2002-03-04 Thread Scott C. Best
Matt: Heya. Thanks for the candid feedback. Some replies to you inline, with gratuitous clipping: >Let me first say that I like echowall and what you've done with. > I've said that before and recommended it to others even though I've > authored my own pfw. Yours is better, more capab

Re: [Leaf-user] forwarding Protocal 47(gre) on Eigerstein LRP

2002-03-04 Thread Scott C. Best
Lonnie: You can best find echoWall on freshmeat.net. The blurb there is fairly accurate. :) http://freshmeat.net/projects/echowall/ cheers, Scott On Mon, 4 Mar 2002, Lonnie Cumberland wrote: > Thanks Scott, > > I think that I will now proceed to upgrade my old EigerStein LRP to > the

Re: [Leaf-user] forwarding Protocal 47(gre) on Eigerstein LRP

2002-03-04 Thread Scott C. Best
Lonnie, Boyd: Ah, serendipity. :) One email, two answers... To get a PPTP-based VPN client working from behind a LEAF/LRP disk, you need to do four things (none of which is to search the email archives, though that works too ;): 1. Be sure to be using a "VPN enabled kernel". Dac

[Leaf-user] even more worried

2002-02-27 Thread Scott C. Best
Anyone ever seen this one before: I shut down my WinNT server today to see what TCP/IP traffic a Windows machines makes at powerdown. That is, I was tcpdump'ing on another LAN member. And I saw this: 03:29:14.553849 192.168.123.130.1853 > 209.73.225.9.80: R 804849242:804849242(0) win 0 (

RE: [Leaf-user] PPTP forward IN through Dachstein CD firewall?

2002-02-26 Thread Scott C. Best
Scott: What you type looks correct to my eye. What does your PPTP client think of it? :) -Scott On Tue, 26 Feb 2002, Scott Ecker wrote: > I looked at echowall.lrp and from it I gathered that I should add the rules: > > $IPCH -A input -s 0/0 -d 207.202.240.236/32 1723 -p tcp -l -j ACCEPT

Re: [Leaf-user] Morpheus?

2002-02-25 Thread Scott C. Best
Steve: The Morpheus homepage (www.MusicCity.com) has a snippet addressing this rumor. Still nervous? Not nearly enough: http://www.cert.org/advisories/CA-2002-04.html Remember: your only paranoid if it turns out that everyone is, in fact, *not* out to get you. -Scott > >http:

Re: [Leaf-user] Samba across Eigerstein LRP

2002-02-21 Thread Scott C. Best
Lonnie: Hello! Yes, that's the idea. No, I've not tested it. Perhaps you can? Port-445 is "Microsoft Domain Service", I believe. I saw it once in a tech-support document on their site. -Scott > So you can now have Windows client connections from outside the LRP > to your Samba server in

Re: [Leaf-user] Samba across Eigerstein LRP

2002-02-21 Thread Scott C. Best
Lonnie: Heya. Here's what I put into the SMB section of the echowall ruleset: #SMB#$IPCHAINS -A input -s 0/0 -d $IP_EXT/32 135 -p tcp -j ACCEPT #SMB#$IPCHAINS -A input -s 0/0 -d $IP_EXT/32 137:139 -p udp -j ACCEPT #SMB#$IPCHAINS -A input -s 0/0 -d $IP_EXT/32 139 -p tcp -j ACCEPT #SMB#$IPC

Re: [Leaf-user] Open Port For VPN

2002-02-21 Thread Scott C. Best
Brian: Heya. not sure if you knew, but there are 2 or 3 other steps to getting an IPSec VPN client working from behind a Dachstein firewall/router. Just holler if you'd like the gory details. As for the firewall rules...what you write is close, but a bit off. Have a look in the ec

Re: [Leaf-user] PPTP forward IN through Dachstein CD firewall?

2002-02-18 Thread Scott C. Best
Scott: Heya. Yes, you can port-forward a PPTP VPN connection pretty easily thru a Dachstein firewall. It comes with a "VPN enabled" kernel, so all you'll need to do is to uncomment the pptp masq module in /etc/modules (the line which reads ip_masq_pptp), and tweak your firewall rules. Back

Re: [Leaf-user] Dachstein logs filling up

2002-02-06 Thread Scott C. Best
Dave: Heya. Give the echowall.lrp package a try. It's got a more aggressive "don't log this sort of noise" section to it than the stock firewall that comes with Dachstein does. EchoWall was built for Dachstein, so it should sneak in nicely. The README has all the details of install

Re: [Leaf-user] Message log Overflow crashes EigerStein

2002-01-21 Thread Scott C. Best
Stephen: Heya. Presuming that you're using one of the Dachstein versions, you need to do 3 things to get "passthru" IPSec masquerading to work: 1. As Charles said, you need to open UDP-500 and protocol (not port) 50. 2. You need to uncomment the "ip_masq_ipsec" line in /etc/modules,

Re: [Leaf-user] many packets, different T

2002-01-21 Thread Scott C. Best
Mike: Heya. Nope, nothing's wrong with your setup; you're not seeing a bug. You really are seeing all of these deny'd packets. Someone on your cable subnet may be trying to crush you with noise, or someone from anywhere on the planet may have taken interest in your ISP's cable system. No r

Re: [Leaf-user] Repeated tcp port 21 connection attempts

2002-01-17 Thread Scott C. Best
Julian: Hello again! Wow, you have some interesting log files. :) > I keep getting connection attempts on tcp port 21 from this particular > IP address. I'm pretty sure this is someone trying to connect to an > FTP server on my network. Incidentally, there are no FTP servers on my > LAN

Re: [Leaf-user] Filtering Web content

2002-01-17 Thread Scott C. Best
Johansson: God dag! Another suggestion that might be easier for you: you could install a "websitting" application on your son's PC directly, rather than on the firewall. The Kidnet Explorer for the PC comes to mind, as does SmartBlock and Filtergate. Also, depending on how

Re: [Leaf-user] Confusing packet in firewall logs

2002-01-15 Thread Scott C. Best
Julian: Heya. I'm going to go with what fwlog.pl is telling you on this one. :) The reply does indeed look to be from the "NAT router" you had previously at 192.168.254.254. There's no SYN flag set, so it's not a Code-Red packet, and it's coming at you at a very high port number (61000+)

Re: [Leaf-user] Message log Overflow crashes EigerStein

2002-01-15 Thread Scott C. Best
Greg: Heya. I know how you feel about being reluctant to touch your firewall now that it's running. Fortunately...it's not as bad as you might remember -- I had to get Dachstein up and running so that I could get echoWall debugged on it. Since Charles did both distro's, they look&feel ver

Re: [Leaf-user] Odd Logs with port 0

2002-01-14 Thread Scott C. Best
Ed: Heya. The "3D"'s in what you wrote threw me. Ah, the horror of HTML email. :) Try this: head to "www.echogent.com/cgi-bin/fwlog.pl" and plug in the packet you're seeing: Jan 14 01:00:32 firewall kernel: Packet log: input DENY eth0 PROTO=1 192.168.101.1:0 24.138.23.131:0 L=84

Re: [Leaf-user] Message log Overflow crashes EigerStein

2002-01-14 Thread Scott C. Best
Greg: Heya. You got three options to fix this; used to kill me too. First, you could upgrade your EigerStein box to a Dachstein one. The Dachstein series puts log files on a separate ram-disk partition, so even if that disk fills up, the router still works. That will keep you runn

Re: [Leaf-user] Connecting to my company's Win2k server via VPN

2002-01-14 Thread Scott C. Best
too tricky. Good luck! -Scott On Mon, 14 Jan 2002, Scott C. Best wrote: > Eric: > Heya. My wife connects to her corporate VPN server in very > much the same way. Yes, it's true: I keep echoWall well-maintained > because she makes me. :) > Give echowall.lrp a t

Re: [Leaf-user] Connecting to my company's Win2k server via VPN

2002-01-14 Thread Scott C. Best
Eric: Heya. My wife connects to her corporate VPN server in very much the same way. Yes, it's true: I keep echoWall well-maintained because she makes me. :) Give echowall.lrp a try. I do not think you need to install ipsec.lrp into your firewall: that will connect your entire home

[Leaf-user] Re: Hey Scott

2002-01-14 Thread Scott C. Best
Jim: Heya. Sorry for the late reply; didn't get to my mailing list email this weekend. Yes, echoWall supports both IPSec and PPTP VPNs, either in passthru mode or as VPON endpoints. See the .conf file that comes with the echowall.lrp for an example of IPSec passthrough. To make en

Re: [Leaf-user] Stop logging

2002-01-10 Thread Scott C. Best
Joe: Heya. Not to tout too much in the same day, but you should give echoWall a try. :) It has a more aggressive "don't log this junk" section than the stock firewall that comes with EigerStein. It also has support for IPSec of course. If you can't upgrade due to your production c

[Leaf-user] Re: MSN & Gaming

2002-01-10 Thread Scott C. Best
Joris: Heya, sorry for the late reply. You may want to give the echoWall firewall config script a try (echowall.lrp). It has built-in support for DIRECTX and MSN gaming. It works on Dachstein, and might be a bit easier to setup (it has all the port numbers in there already). Hope

Re: [Leaf-user] HUH? blocked in log

2002-01-07 Thread Scott C. Best
Jim: Heya. Your captured packet looks to be a syslog packet that some firewalls can be setup to broadcast. That is, when a PIX (for example) firewall sees an event that worries it, it can log the event and then broadcast to a "syslog collector" like the one from Kiwi Software (www.kiwisysl

Re: [Leaf-user] echoWall 1.40 released

2002-01-06 Thread Scott C. Best
Wyatt: Heya. Interesting question. I think the best way to compare and contrast the different firewall-setup packages is to ask the authors what their intent was for providing it. I know I built echoWall with a "target user" in mind, and if you're the target user, and you're not intereste

[Leaf-user] echoWall 1.40 released

2002-01-05 Thread Scott C. Best
Heya sport fans. Sorry for the delay...took a few days off grieving the loss of my first floppy. :) Echowall is now rev'd to 1.40, and the old problems with 1.33's use of "cut" has been fixed. It also fixes the problem of killing off all copies (and not just one) of "ipfwd" in th

[Leaf-user] echoWall broken on Dachstein 1.*

2002-01-03 Thread Scott C. Best
Heyaz. Just a head's up: now that Dachstein has its "cut" utility fixed, the echowall scripts aren't working in a few places. I'm working on repairs now; I'm skipping the quick fix, as I still want it to work back to ES2B. Also, the answer is 27 months. :) I first started with LR

Re: [Leaf-user] portfw to *multiple* hosts ???

2001-12-28 Thread Scott C. Best
Paul: Heya. Notso left field, really. I've used ipfwd to forward IPSec packets (protocol 50 and 51) to my NAT'd LAN's broadcast address...and IPSec clients on that LAN can handle it. Of course...IPSec has some sense of "state" of a connection beyond just the packets. Webservers do

[Leaf-user] Re: Leaf-user digest, Vol 1 #491 - 9 msgs

2001-12-28 Thread Scott C. Best
Jan: Some interesting packets there in your logs; I've a better idea now of what @Home is like in the Netherlands. :) Please give the echowall.lrp package a try. It logs a lot less of this noise by default. It works fine on the Dachstein images. Also, gives this a try:

Re: [Leaf-user] DachStein 1.0.2 - stopping martian loggin

2001-12-17 Thread Scott C. Best
John: Heya. Regarding your firewall troubles, might I suggest that you please give the echowall.lrp package a try, available at ftp.echogent.com. It's expressly designed towards making an Eiger/Dach firewall with port-forwarding as easy as possible to setup. In other words, it's m

Re: [Leaf-user] SNMP from Wireless Hub

2001-12-05 Thread Scott C. Best
Richard: Heya. I'll update the fwlog.pl processor at echogent.com so that it offers some advice about packets like these. Charles' advice about how to handle them is good, but I don't think it goes far enough. Here's the "reduce my log noise" from the echowall.rules file. Please n

Re: [Leaf-user] EIGRP (88) protocol ???

2001-12-01 Thread Scott C. Best
put -i $IF_EXT -b -s 224.0.0.0/4 -j DENY $IPCHAINS -A input -i $IF_EXT -b -s 240.0.0.0/5 -j DENY $IPCHAINS -A input -i $IF_EXT -b -s 248.0.0.0/5 -j DENY On Sat, 1 Dec 2001, Michael D. Schleif wrote: > > "Scott C. Best" wrote: > > > > Heya. Thanks for the pa

Re: [Leaf-user] EIGRP (88) protocol ???

2001-11-30 Thread Scott C. Best
Michael: Heya. Thanks for the packet log, am updating fwlog.pl to include an awareness of protocol 88. It knew about regular IGRP (IP protocol 9) but not this one. :) Regarding silent deny's...you can block the whole 224.0.0.0/4 range (RFC-1112 Class-D multicast) without worry. T

Re: [Leaf-user] How not to log a deny'ed packet/ip address

2001-11-30 Thread Scott C. Best
Lynn: Heya. Late suggestion: try either the echowall.lrp package, or cut&paste from the end of the echowall.rules file inside of that package. I built echowall for a 486 with only 16M of RAM that firewalled me from a cable-modem environment. As you prolly know, I had to reboot every week

Re: [Leaf-user] Firewall is hindering ftp.

2001-11-28 Thread Scott C. Best
Troy: Hello! I agree with Ray: my advice on the fwlog processor is incorrect. Okay, misleading. :) The parser on the processor is very much like how ipchains works: it checks the packet against a chain of rules, and the first one that matches is applied. Your ident packet log wasn't recogn

Re: [Leaf-user] Portforwarding problem

2001-11-25 Thread Scott C. Best
Paul: Heya. Keep in mind that every port-forwarding rule requires an associated rule which opens the hole in the firewall in the first place. So you'll need a rule which looks something like: ipchains -A input -s 0/0 -d 123.234.123.234/32 80 -p tcp -j ACCEPT Note that this rule

Re: [Leaf-user] How-TO: Additional protocols

2001-11-25 Thread Scott C. Best
David: Heya. You need to use the "ipfwd" utility to forward arbitrary IP protocols, like the ones associated with VPN'ing. I'm pretty sure it's still included by default on the Dachstein images. You can peek in the IPSEC portion of the echowall.rules file in the echowall.lrp package for e

Re: [Leaf-user] how not to log certain events?

2001-11-25 Thread Scott C. Best
Scott: Heya. Sorry for the late reply; I hadn't yet seen one to your post, so I thought I'd chime in: > Is there a way to prevent logging of certain events? Someone on my subnet > is requesting DHCP packets constantly and it's filling up my logs quickly. > Is it possible to still deny th

[Leaf-user] Re: Outbound VPN

2001-11-15 Thread Scott C. Best
Don: Heya. Easiest thing to do is grab the echowalll.lrp package and setup your IPSEC_HOST as per the instructions in the README. To answer your questions...yes, Dachstein (and the others) can "masq" and "forward" an IPSec connection much like any other sorta connection *provided*

Re: [Leaf-user] Dachstien CD rc5 Vulnerabilities

2001-11-14 Thread Scott C. Best
Robert: Heya. In general...an open port on your firewall is not really a security problem *if* there's no service actually listening to that port. So, is Dachstein actually running a service that's listening to UDP port-9? Secondly, AFAIK, the default firewall rules for Dachstein

Re: [Leaf-user] Dachstein Firewall status

2001-11-14 Thread Scott C. Best
Kory: Hello again. Quick suggestion: > Kory Krofft wrote: > > All this talk about the weblet message logs has me wondering. My > firewall log states that since yesterday I have almost 3000 denied or > rejected packets. I included a sample of the log entries below. Can > someone please e

[Leaf-user] echoWall 1.33 released

2001-11-10 Thread Scott C. Best
Heyaz. Thanks to Kory Krofft's help with the Quake server testing, I've updated the echowall firewall config package to 1.33. It's available in the usual places: ftp://ftp.echogent.com/EchoWall/echowall.lrp http://leaf.sourceforge.net/devel/sbest/echowall/ http://freshmeat.net/projects/e

Re: [Leaf-user] echoWall 1.32

2001-11-04 Thread Scott C. Best
Kory: Just for completeness...the echowall packages does support FTP servers, both active and passive mode. There's a whole section about it in the README file. And *these* are tested. :} cheers, Scott On Sun, 4 Nov 2001, Kory Krofft wrote: > Thanks, > > I will try it out later

Re: [Leaf-user] Re: echoWall 1.32 [was: IPchains / Forwardingquestion]

2001-11-04 Thread Scott C. Best
Kory: Wow, I bet this turned into a whole lot more than you were expecting. FWIW, posting the firewall packet log was the *exact* right thing to do. Try this. Change the whole QUAKE section of the echowall.rules file to look like this: #QUAKE#$IPCHAINS -A input -s 0/0 -d $IP_EXT

[Leaf-user] echoWall 1.32 [was: IPchains / Forwarding question]

2001-11-04 Thread Scott C. Best
Wire very often, insisted on this one. :) Hope it proves useful! Feedback welcome. cheers, Scott On Sun, 4 Nov 2001, Scott C. Best wrote: > Kory: > Well, how 'bout that. These lines are causing the > trouble in Dachstein: > > > $IPCHAINS -A input -i !lo

Re: [Leaf-user] IPchains / Forwarding question

2001-11-04 Thread Scott C. Best
Kory: Well, how 'bout that. These lines are causing the trouble in Dachstein: > $IPCHAINS -A input -i !lo -s 127.0.0.0/8 -j DENY > $IPCHAINS -A input -i !lo -d 127.0.0.0/8 -j DENY Turns out it needs a space between the "!" and the "lo". ES2B (what Dachstein is replacing) didn't.

Re: [Leaf-user] IPchains / Forwarding question

2001-11-03 Thread Scott C. Best
Kory: Heya. Interesting error; I've not run echoWall on a Dachstein kernel yet, but I'm surprised it wouldn't slip right in. Huh. The "weird character" warnings appear to be generated by these two lines in echowall.rules: $IPCHAINS -A input -i !lo -s 127.0.0.0/8 -j DENY $IPCHAINS

RE: [Leaf-user] h323

2001-11-02 Thread Scott C. Best
David: Heya. What Todd said is pretty much my understanding as well; NetMeeting is a disaster of a protocol in so far as how it interacts with NAT'ing firewalls. In addition to all of the problems Todd mentioned, I believe that the source-IP of a NetMeeting client is embedded within the d

[Leaf-user] echowall 1.31 released

2001-09-27 Thread Scott C. Best
Heyaz. I've posted an update to echowall, now version 1.31. Fixes are: 1. Repaired Half-Life specifics (thanks Dan!). 2. Repaired Samba specifics. 3. Repaired "echowall scan" so it reports only the LAN, not the WAN. Available in the usual places: ftp://ftp.echogent.com/Ech

Re: [Leaf-user] FTP From Behind Firewall Problem...

2001-09-20 Thread Scott C. Best
Clark: Heya. Yeah, all that reading can get tedius. :) Quick emphasis to your point number 4: to get passive-mode FTP working, you need to coordinate which ports your FTP server will propose to a client, and which ports your firewall will forward along to the server. This is addition to c

Re: [Leaf-user] FTP From Behind Firewall Problem...

2001-09-20 Thread Scott C. Best
Clark: Heya. You're running headlong into the difference between how NAT'ing firewalls act in regards to active and passive mode FTP. I wroteup a PDF which spares few details about it: ftp://ftp.echogent.com/docs/FTP_and_Firewalls.pdf The end of that document describes ho

Re: [Leaf-user] UDP Open Range

2001-09-17 Thread Scott C. Best
Jason: Heya. I hadn't seen a reply to your post yet, probably because your question was a bit scary. :) Asking how to open 40,000 UDP ports on a LEAF list would be like asking "how can I be sure to poison myself?" on a medical self-help list. :) Anyhow. Presuming you meant to open

Re: [Leaf-user] (no subject)

2001-09-11 Thread Scott C. Best
Mark: Okay, so the server allocates the correct IP address, that's a start. Can I ask though: from the LEAF firewall box, can you ping this 192.0.0.0 machine successfully? Perhaps you just meant that IP address as an example, but perhaps not. Also, importantly, type this after yo

[Leaf-user] (no subject)

2001-09-11 Thread Scott C. Best
Mark: Hope your HL problems are getting better. Two quick thoughts: > Thanks for the replies...I believe the problem lies in the CStrike > server config, since this is where the 169.254.0.0 address shows up. > When try to run a server on another machine without a WAN adapter...it > shows

Re: [Leaf-user] echowall 1.3 released

2001-09-10 Thread Scott C. Best
Mark: Heya. This sounds like it's either an interface problem, or a problem with the CounterStrike server setup. In echowall.conf, did you choose "ppp0" or "eth0" for IF_EXT? For PPPoE, I believe it should be the first one. The 169.254.0.0/16 address you speak about is actually wh

Re: [Leaf-user] ES2B / echowall packet logging

2001-07-14 Thread Scott C. Best
Rob: Hello! Yes, you got that right: > What I have done is at the bottom of the echowall.rules file before > #lastrule#... put the following > line; is this correct? > > $IPCHAINS -A input -i $IF_EXT -d 0.0.0.0/0 53 -p tcp -j DENY That should do it, yes. > Second, can anyone sh

Re: [Leaf-user] games, IPsec VPN from *behind* LRP firewall

2001-07-06 Thread Scott C. Best
VPN. Thanks! -Scott On Fri, 6 Jul 2001, Scott C. Best wrote: > Vance: > > You also forgot to mention how many IP addresses you > have. :) Okay, I'll assume one. Try this: > > 1. PPTP uses GRE packets (protocol 47) and TCP packets (protocol 6) >to port 1

Re: [Leaf-user] games, IPsec VPN from *behind* LRP firewall

2001-07-06 Thread Scott C. Best
Vance: You also forgot to mention how many IP addresses you have. :) Okay, I'll assume one. Try this: 1. PPTP uses GRE packets (protocol 47) and TCP packets (protocol 6) to port 1723. The GRE packets are forwarded across your firewall with the ipfwd command, the TCP packets use the

Re: [Leaf-user] games, IPsec VPN from *behind* LRP firewall

2001-07-05 Thread Scott C. Best
Vance: Hard to say. Obviously, you can connect multiple clients to a VPN server if it's only one at a time: just switch the settings to show who should be connected, and re-start. But I suspect you're asking about doing it simultaneously. This is tricky. In fact, I suspect it's not

RE: [Leaf-user] Help with DNS error logs on Eiger2Beta with PPPoP

2001-07-05 Thread Scott C. Best
Kevin: If you want...just stick 'em in section 11 of the echowall.rules file. That'll do it. -Scott, working on a rev... On Thu, 5 Jul 2001, Kevin wrote: > Thanks Scott > > I even fired up Echowall and still had my log files go out the roof > with those dang packets > > I will se

Re: [Leaf-user] Help with DNS error logs on Eiger2Beta with PPPoP

2001-07-04 Thread Scott C. Best
Kevin: Heya. Sorry for the late reply: as you can see in the archives, there was a big discussion regarding unsolicited TCP packets to port 53. Intentionally misconfigured packets, too, ones set with both the SYN and ACK flags, as if your firewall tried to initiate a connection. Your fi

[Leaf-user] (no subject)

2001-07-03 Thread Scott C. Best
Michael: Have you given echowall a try? It supports both PC-Anywhere and VNC pretty easily. I ask because it sounds like you've got the right firewall rules (ports 5631:5632, both tcp and udp) but maybe not the right port-forwarding rules? Worth asking... -Scott PS: BTW, VNC is

Re: [Leaf-user] games, IPsec VPN from *behind* LRP firewall

2001-07-02 Thread Scott C. Best
Alan: Sorry, thought I mentioned that part: echowall.lrp is available either at the LEAF home page (version 1.22 is the latest) or here: ftp://ftp.echogent.com/EchoWall/echowall.lrp You can also find it on Freshmeat.net (my usual first starting point). Also, to cl

Re: [Leaf-user] games, IPsec VPN from *behind* LRP firewall

2001-07-02 Thread Scott C. Best
Ricardo: Yes, I know FreeSWAN (IPSec) has been packaged for LRP, and I believe that PopTop (PPTP) has as well. The intructions for doing this are far better than my own; point yourself here: http://lrp.steinkuehler.net/Packages/ipsec1.5.htm Good luck! -Scott At 1:01 PM -0700 7

RE: [Leaf-user] Eigerstein2Beta packet log silent deny

2001-07-02 Thread Scott C. Best
Rob: Heya. Some quick answers (am posting this on-list, as you suggested) 1. Actually, echowall is the one doing more filtering, not less. Charles' default script lets many of the broadcast-noise stuff go thru to the end, where it gets logged by the last "catch and log everything that mad

Re: [Leaf-user] games, IPsec VPN from *behind* LRP firewall

2001-07-02 Thread Scott C. Best
Alan: Heya. So...from looking over Intelispan's website, it looks as if their "Secure VPN Service" is an IPsec one. In order to have your LRP box support a VPN client, you'll need to be using a VPN-enabled kernel. Fortunately, that's not all that hard to do: 1. Got to Charles' site at:

RE: [Leaf-user] Eigerstein2Beta packet log silent deny

2001-07-02 Thread Scott C. Best
Rob: Heya. Glad to here the multicast rules flew. Regarding echowall and ES2B playing nicely together, I built echowall on and for that system specifically. So, when it installs itself, it gently brushes aside the default firewall of ES2B and puts itself in place instead. When/if you de-i

Re: [Leaf-user] Eigerstein2Beta packet log silent deny

2001-07-01 Thread Scott C. Best
Rob: Heya. Victor's answer is spot-on: > > Jul 1 00:44:38 pdrtr kernel: Packet log: input DENY eth0 PROTO=2 > > 192.168.100.1:65535 224.0.0.1:65535 L=28 S=0xC0 I=0 F=0x T=1 (#9) > > These are multi-cast packets, possibly from your ISP or a misconfigured > clown on your cable network

Re: [Leaf-user] EchoWall and MSN Messenger

2001-06-27 Thread Scott C. Best
Vince: Hello! Sorry for the late reply. Try this: setup echowall to use DIRECTX and NETMEETING to the machine you want to MSN file-transfer and voice-support support on. That should do it, but I'll investigate further to see if there's a simpler setup... -Scott > Any plans to add rules

Re: [Leaf-user] Ram Disk size and ipmasqadm help

2001-06-25 Thread Scott C. Best
Kevin: Not so sure about the first question, so all I can offer is an educated guess: > I have 32 meg ram in a p2 75 mhz box with two floppy's. I have the ram > disk set up for 16 meg at the present time. > > Does LRP need the other 16 meg of memory to run the programs or do they > run

Re: [Leaf-user] echowall v1.2 problem

2001-06-24 Thread Scott C. Best
suppose (and assume, > I know its dangerous), that if I were using DHCP, something > would have been broken? > > Thanks again! > Chris Kulish > - Original Message - > From: "Scott C. Best" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Cc: <

[Leaf-user] echowall v1.2 fixed; v1.22 available

2001-06-23 Thread Scott C. Best
Phew, busy day. One real bug found in echowall, now fixed. Also, MSoft updated their DirectX from version 7 to version 8, and the new version (gasp) doesn't use all of the same ports as the others. I know, I was terribly shocked myself. Almost fell down. So, version 1.22 of ech

Re: [Leaf-user] echowall v1.2 problem

2001-06-23 Thread Scott C. Best
Chris: Glad to here it's working fine, but these errors at reboot make me squirrelly: > > .Warning: wierd character in interface '!lo' (No aliases, :, ! or *). > > Warning: wierd character in interface '!lo' (No aliases, :, ! or *). > > ../sbin/ipchains: host/network '67' not found > > Tr

Re: [Leaf-user] Echowall Issues

2001-06-23 Thread Scott C. Best
Kevin: Hurm. First...I've never tried Echowall on Ken's PPPoP image, nor on ESB3. I can see that I should! Could you email to me a copy of your echowall.rules and echowall.conf file? That'll help a great deal. Might want to send it offlist... Thanks! -Scott > If I foll

Re: [Leaf-user] echowall v1.2 problem

2001-06-23 Thread Scott C. Best
Chris: Hello again... > I am trying to get echowall running on an Eigerstein 2BETA day > 5/27/01. So far, this is what I have done: > > 1. Got echowall.lrp on my disk > 2. Added echowall to Syslinux.cfg > 3. Executed ./echowall install from its directory and rebooted I gotta

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