As an aside, you can get the entire key of what all the TCP flags mean by issuing a 'show connection detail'. Output added below for confirmation:
sec-pix-501D(config)# sh conn detail
0 in use, 0 most used
Flags: A - awaiting inside ACK to SYN, a - awaiting outside ACK to SYN,
B - initial SYN from outside, C - CTIQBE media, D - DNS, d - dump,
E - outside back connection, F - outside FIN, f - inside FIN,
G - group, g - MGCP, H - H.323, h - H.225.0, I - inbound data, i - incomplete,
k - Skinny media, M - SMTP data, m - SIP media, O - outbound data,
P - inside back connection, q - SQL*Net data, R - outside acknowledged FIN,
R - UDP RPC, r - inside acknowledged FIN, S - awaiting inside SYN,
s - awaiting outside SYN, T - SIP, t - SIP transient, U - up
sec-pix-501D(config)#
Scott
