Snort-sigs mailing list
http://lists.sourceforge.net/lists/listinfo/snort-sigs
CERT
http://www.cert.org
SANS
http://www.sans.org
Oinkmaster
http://oinkmaster.sf.net/oinkmaster/
IDSPolMan
http://www.activeworx.com
SnortCenter
http://users.pandora.be/larc/
