From: Security (security@hudakville.com)
Date: Wed Aug 30 2006 - 10:34:03 EDT
Like all the other posters have stated, its a good resource to have
forensically if you have the disk space. I few years ago I set up a
Shadow IDS (http://www.nswc.navy.mil/ISSEC/CID/) and tcpdump on my
external network to capture traffic. I used some creative filtering and
custom scripts and was able to keep about two months of full traffic
captures to around 40 GB compressed. This was on 2 T-3 (not fully
utilized of course).
In my filtering, I believe I captured full packets of everything except
HTTP/HTTPS/SMTP traffic. For that, I just captured the SYN and SYN/ACK
packet. This cuts down on what you want to do, but saves alot of space.
Tyler
xelerated wrote:
> Im posrting this to the pen-test group, rather than firewall or IDS
> because it covers many areas.
>
> ...
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