psad is an iptables log analysis tool, and the psad-2.0 release is now
available:
http://www.cipherdyne.org/psad/
This release will be discussed in my upcoming book "Linux Firewalls:
Attack Detection and Response": http://www.nostarch.com/firewalls.htm
Here are some of the highlights:
- Completely re-factored Snort rule matching capability. The Snort
keywords ttl, id, seq, ack, window, icmp_id, icmp_seq, itype, icode,
ipopts, and sameip are now supported directly through Netfilter log
messages.
- Signature updates are now published on cipherdyne.org at the link
below, and psad can download these signatures and put them in place
within the filesystem with the new --sig-update command line argument.
http://www.cipherdyne.org/psad/signatures
- Added the ability to parse Netfilter logs and generate CSV formatted
output. This is useful for visualizing Netfilter data with AfterGlow
(http://afterglow.sourceforge.net). I have used the --CSV mode along
with AfterGlow to graphically represent two of the Honeynet scan
challenges (#30 and #34) that include Netfilter log data:
http://www.cipherdyne.org/psad/honeynet/scan30/
http://www.cipherdyne.org/psad/honeynet/scan34/
- Enhanced --Analyze output to include a listing of the top scanned
ports, top signature matches, and top attackers. Here is an example:
http://www.cipherdyne.org/psad/honeynet/scan34/psad-analysis.html
- Many other enhancements and a few bugfixes. Here is the complete
Changelog:
http://trac.cipherdyne.org/trac/psad/browser/psad/tags/psad-2.0/ChangeLog
Please email me with any questions, comments, or suggestions.
--
Michael Rash
http://www.cipherdyne.org/
Key fingerprint = 53EA 13EA 472E 3771 894F AC69 95D8 5D6B A742 839F
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