Article View: comp.security.firewalls
Article #77Re: IPIP (IP Protocol 94) Probe?
From: Chad
Date: Wed, 11 Apr 2001 01:49
Date: Wed, 11 Apr 2001 01:49
44 lines
2806 bytes
2806 bytes
ipchains packets will be forwarded, but others that don't explicitly use a protocol number would be a problem. Although I suppose it wouldn't be too hard to do a getprotobyname(), :) "Lawrence Baldwin" <baldwinl@mynetwatchman.com> wrote in message news:MPG.153d631b483152ec9896a2@news2.mia.bellsouth.net... > [This followup was posted to comp.security.firewalls and a copy was sent to the cited author.] > > FYI, > > I also scanned the entire ~100,000 records in the myNetWatchman database...the ONLY protocolIDs in > there are 6 (TCP), 17 (UDP), and 1 (ICMP). > > Since MNW is fed by *many* different firewalls (e.g. SonicWall, IPChains, etc...) I can only assume > that they're not logging these kind of events either. (Unless Chad coded the myNetWatchman > PerlAgent to discard these???) > > lb. > In article <slrn9d75jf.qu3.hal@localhost.localdomain>, hal@burgiss.net says... > > On Tue, 10 Apr 2001 19:14:14 -0400, Lawrence Baldwin > > <baldwinl@mynetwatchman.com> wrote: > > > > > >Here was a pretty bizzare probe received today: > > > > > >http://www.mynetwatchman.com/kb/security/research/ipip.htm > > > > > > > Ineteresting. I was just wondering how much stuff does get under the > > radar screen. I just noticed some funny stuff, and if anyone out there > > is really familiar with Linux tcp handling, this is what has me curious: > > > > > -- > Lawrence Baldwin > Baseline your FastAccess Connection: http://www.mynetwatchman.com/perfwatch/beta.htm > Automatic Port Scan Reporting: http://www.mynetwatchman.com/vision.htm
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f922c,36dd554aa7cf6f1b X-Google-Attributes: gidf922c,public X-Google-Thread: 10090f,36dd554aa7cf6f1b X-Google-Attributes: gid10090f,public X-Google-ArrivalTime: 2001-04-10 19:14:03 PST Path: arc1-ca.pugleaf.net!supernews.google.com!sn-xit-03!supernews.com!nntp.cs.ubc.ca!freenix!isdnet!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.atl.bellsouth.net.MISMATCH!newsfeed.atl!news1.atl.POSTED!adsl-78-249-101.mia.bellsouth.net!nobody From: "Chad" <1wag11nerch1@bellsouth.net> Newsgroups: comp.security.firewalls,bellsouth.net.security References: <MPG.153d5dd2434544c19896a0@news2.mia.bellsouth.net> <slrn9d75jf.qu3.hal@localhost.localdomain> <MPG.153d631b483152ec9896a2@news2.mia.bellsouth.net> Subject: Re: IPIP (IP Protocol 94) Probe? Lines: 46 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Message-ID: <r7d0b9.6uj.ln@adsl-78-249-101.mia.bellsouth.net> Date: Tue, 10 Apr 2001 21:49:45 -0400 NNTP-Posting-Host: 216.78.249.101 X-Trace: news1.atl 986955006 216.78.249.101 (Tue, 10 Apr 2001 22:10:06 EDT) NNTP-Posting-Date: Tue, 10 Apr 2001 22:10:06 EDT