[Snort-users] snort 2972 - not working, need help

Al Lewis (allewi) allewi at ...589...
Tue Mar 24 06:12:02 EDT 2015


The first thing I would check is that you actually see traffic on that interface.

How is traffic getting to snort? If you aren’t inline with the traffic then your snort machine needs to be on a tap or have the traffic spanned to it.

You can also play a pcap back into snort as a quick test. If you get events from the pcap but not from network traffic then you need to recheck your network setup.

Hope this helps.

Albert Lewis
QA Software Engineer
SOURCEfire, Inc. now part of Cisco
9780 Patuxent Woods Drive
Columbia, MD 21046
Phone: (office) 443.430.7112
Email: allewi at ...589...

From: Eugene Grama [mailto:eugene.grama at ...11827...]
Sent: Tuesday, March 24, 2015 12:11 AM
To: snort-users at lists.sourceforge.net
Subject: [Snort-users] snort 2972 - not working, need help

Hell Guys,

Hope you are all doing fine.

I was able to make snort 2970 work in windows 7, due to some reason, we had freeze this project and we are now again restarting it.

I was able to update snort to 2972 without error

Then I tried placing this rule in snort.rules file for testing purpose

alert tcp $HOME_NET any <> $EXTERNAL_NET any (msg:"NET - ACTIVITY-YAHOO"; classtype:unknown; sid:1000002; rev:1;)
alert icmp $HOME_NET any <> $EXTERNAL_NET any (msg:"PING - ACTIVITY"; classtype:unknown; sid:1000000; rev:1;)

Then i run snort -c c:\path\to\dir\snort.conf -l c:\path\to\snort\log -i4

and it run normally ("commencing packet processing" at the end)

Tried generating icmp(ping) traffic, but i cannot see any alert generated from my alert log file.

Sorry for the grammar, hoping for your usual support

Thank you and Best regards,

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