Symptom

- once FTD receive termination packet (RST/FIN) , it will close/terminate the connection for those addresses. - If any packet is received to the FTD post this termination, the FTD will drop these connections and the BLOCK will be seen on FMC. - Sometimes, This behavior overwhelmed the user that the return traffic is being blocked while it should be allowed.

Conditions

Workaround

Further Problem Description

Ability for the FMC to mark the return traffic for FTD closed connection on connection events