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Cisco Bug: CSCte88539 - CSC: Module may try to send GET request on closing connection

Last Modified

Nov 08, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases


Description (partial)

Users may be presented with a 502 Bad Gateway error message when browsing pages via the CSC module in an ASA firewall.

This occurs when the CSC module tries to send a GET request on a connection that is either in the process of closing (TCP FIN received from the webserver) or has already closed.
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