Tag: idle

Configuration Example, Firewalling

Cisco ASA – Reset TCP connection

René Jorissen on August 22, 2011 • 2 Comments • Tags: #application #asa #cisco #idle #legacy #packet #psh #reset #rset #tcp #timeout

“Normal” TCP applications use a three-way handshake to establish a session. After data has been send the session is closed. Some legacy applications don’t always close a TCP session. They keep the session open, even when the session is idle for a long time (+ 2 hours). When the session is idle and a client … Read More