RE: filters

[Gary Danko <GDanko () proflowers com>]

Odd. I created a BPF file based on those instructions and snort refused to
start when I used the -F switch and pointed to that file!

-----Original Message-----
From: Hutchinson, Andrew [mailto:andrew.hutchinson () Vanderbilt Edu] 
Sent: Tuesday, July 29, 2003 10:41 AM
To: Scotts Email; snort-users () lists sourceforge net
Subject: RE: [Snort-users] filters

If you install tcpdump, then type 'man tcpdump', it will give you a good
overview.  Also, if you buy Northcutt's book "Network Intrusion Detection",
it has a nice section reviewing bpf and showing how to do some useful
logical bitmasking operations to find certain traffic types.
 
HTH,
 
Andrew
Andrew Hutchinson - Network Security
Vanderbilt University Medical Center
(615) 936-2856
-----Original Message-----
From: Scotts Email [mailto:tech4life2 () comcast net] 
Sent: Tuesday, July 29, 2003 12:02 PM
To: snort-users () lists sourceforge net
Subject: [Snort-users] filters
anyone tell me where to find bpf filter options for windows and linux ?
 
i want to get the right ones, and know how to use them properly...our class
 
is starting ids soon using snort..
 
 
thanks,
 
scott


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