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Cisco Bug: CSCta13098 - FWSM sends TCP RST with wrong ACK nbr

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Catalyst 6500 Series Firewall Services Module

Known Affected Releases


Description (partial)


A FWSM sends wrong TCP-ACK-number in a TCP-RST packet.


If FWSM receives a TCP-SYN packet and "TCP connection is marked for deletion" -> see CSCeh90462, the ACK in the TCP-RST is SEQ, however should be SEQ+1
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