Snort mailing list archives

RE: [SPAM] - Snort not logging all packets - Email found in subject


From: "Marc Hering" <mhering () reval com>
Date: Mon, 7 Mar 2005 15:11:48 -0500

Logging in /var/log/messages????  YOu may not want to do that. I log in
/var/log/sensorname/snort/    Also is your NIC card working ok?   and
what machine specs?
 

________________________________

From: sEc nErD [mailto:umkcguy1978 () yahoo com] 
Sent: Monday, March 07, 2005 3:02 PM
To: Marc Hering; snort-users () lists sourceforge net
Subject: RE: [SPAM] - [Snort-users] Snort not logging all packets -
Email found in subject


I am logging snort in the /var/log/messages and also on a remote
security information management system like netforensics.
I can see some http insepct preprocessor messages but i know its missing
out on a lot of them.
below si the tcpdump output.
 
 
this is what i see when i do tcpdump
 
#tcpdump -i eth1

tcpdump: WARNING: eth1: no IPv4 address assigned
tcpdump: verbose output suppressed, use -v or -vv for full protocol
decode
listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes
14:08:26.965161 IP 12.40.44.251 > 69.151.58.226:
ESP(spi=0x96ebf27b,seq=0x503)
1 packets captured
670 packets received by filter
622 packets dropped by kernel

Marc Hering <mhering () reval com> wrote:

        Are you logging into the console? Or via an SSH session?

________________________________

        From: snort-users-admin () lists sourceforge net
[mailto:snort-users-admin () lists sourceforge net] On Behalf Of sEc nErD
        Sent: Monday, March 07, 2005 2:41 PM
        To: snort-users () lists sourceforge net
        Subject: [SPAM] - [Snort-users] Snort not logging all packets -
Email found in subject
        
        

        Hi all,
         
        I am runnning snort on a fedora box and i started with a doubt
that it is not logging all the packets.
        I checked it with tcp dump and when i stop tcpdump i see 90% of
the packets being dropped by the kernel.
        When i see /var/log/messages 
        i see the below error for both sniffing interfaces
         
        OpenPcap() device eth0 network lookup:  ^Ieth0: no IPv4 address
assigned
         
        I checked the version of libpcap running it is
         " libpcap-0.8.3-3 "
        Output of # uname -a  

        Linux localhost.localdomain 2.6.5-1.358smp #1 SMP Sat May 8
09:25:36 EDT 2004 i686 i686 i386 GNU/Linux
         
        If anybody could help me on this i would really appreciate it.
        thanks all,
        kaps
        
        
        

                 

        
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