I noticed today that the S623 release includes the retiring of signatures 3030-0 (TCP Syn sweep) and 2100-0 (ICMP Echo sweep).  I find it interesting that Cisco has opted to have these signatures disabled by default.  I figure it is part of the recen...

I have noticed this signature ( 5403-0) has been firing off more often in our environment.  i've noticed some of the of the destination IP addresses are actually own by Skype, I haven't had any time to investigate fully, but thought i'd see if anyone...