Avaya 3.7 - Manual (Page 198)

Establishing security
198 Avaya VPNmanager Configuration Guide Release 3.7
17. The keepstate function allows a rule set for the intended traffic to also be applied to the
reply packets. The function can be applied to TCP, UDP, and ICMP packets.
18. Keepstate sets up a state table with each entry set up by the sending side. Reply packets
pass through a matching filter based on the respective state table entry. A state entry is not
created for packets that are denied.
19. Click Advanced to change the default keepstate values to TCP, UDP, or ICMP.
20. Click Finish to return to the Policy Manager for Firewall.