Snort mailing list archives

RE: 1.9.0beta4


From: "Gray . Brendan" <bgray2 () drc com>
Date: Wed, 14 Aug 2002 14:08:08 -0400

I'm now running 1.9.0beta4 as snort -A full -d and it appears to be working.
Its logging alerts, and eth0 is staying in promisc mode.

Brendan

-----Original Message-----
From: Chris Green [mailto:cmg () sourcefire com]
Sent: Wednesday, August 14, 2002 1:21 PM
To: Gray . Brendan
Subject: Re: [Snort-users] 1.9.0beta4


"Gray . Brendan" <bgray2 () drc com> writes:

I'm testing 1.9.0beta4 and its not working.  Well, to be more specific,
I'm
running RedHat 7.3 on a x86 with all the updates, and when I start Snort
(snort -A full -d -D) snort will run, but nothing gets logged


Take off the -D option and see what error it reports.  Please reply to
snort-users  as others might have the same problem.



.  I'm looking at the /var/log/messages file, and it seems that when
I start snort, eth0 goes into promiscuous mode, and then leaves
promisc mode almost immediately thereafter.  Is it a bug or a
problem with my system (libpcap maybe?)?  I originally had
snort-1.8.6 installed via demarc on the box.  Demarc was turned off
(psd -k) and the new snort binary has replaced the snort-1.8.6
binary.  Here's a brief cut & paste from /var/log/messages>

Aug 14 12:45:35 testbox kernel: device eth0 entered promiscuous mode
Aug 14 12:45:35 testbox snort: using config file ./snort.conf
Aug 14 12:45:35 testbox snort: http_decode arguments:
Aug 14 12:45:35 testbox snort:     Unicode decoding
Aug 14 12:45:35 testbox snort:     IIS alternate Unicode decoding
Aug 14 12:45:35 testbox snort:     IIS double encoding vuln
Aug 14 12:45:35 testbox snort:     Flip backslash to slash
Aug 14 12:45:35 testbox snort:     Include additional whitespace
separators
Aug 14 12:45:35 testbox snort:     Ports to decode http on: 80
Aug 14 12:45:35 testbox snort: telnet_decode arguments:
Aug 14 12:45:35 testbox snort:     Ports to decode telnet on: 21 23 25 119
Aug 14 12:45:35 testbox snort: Conversation Config:
Aug 14 12:45:35 testbox snort:    KeepStats: 0
Aug 14 12:45:35 testbox snort:    Conv Count: 32000
Aug 14 12:45:35 testbox snort:    Timeout   : 60
Aug 14 12:45:35 testbox snort:    Allowed IP Protocols:
Aug 14 12:45:35 testbox snort:  All
Aug 14 12:45:35 testbox snort:
Aug 14 12:45:35 testbox snort: Portscan2 config:
Aug 14 12:45:35 testbox snort:     log: /var/log/snort/scan.log
Aug 14 12:45:35 testbox snort:     scanners_max: 3200
Aug 14 12:45:35 testbox snort:     targets_max: 5000
Aug 14 12:45:35 testbox snort:     target_limit: 5
Aug 14 12:45:35 testbox snort:     port_limit: 20
Aug 14 12:45:35 testbox snort:     timeout: 60
Aug 14 12:45:37 testbox snort: Initializing daemon mode
Aug 14 12:45:37 testbox snort: PID stat checked out ok, PID set to
/var/run/
Aug 14 12:45:37 testbox snort: Writing PID file to "/var/run/"
Aug 14 12:45:37 testbox snort: Snort initialization completed
successfully,
Snort running
Aug 14 12:45:37 testbox kernel: device eth0 left promiscuous mode


All of the default rules are activated, except x11, coldfusion, and php
which are commented out.  I have set the HOME_NET and EXTERNAL_NET values,
and I activated the policy and porn rules, to see what I'd discover.

Brendan





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