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Cisco Bug: CSCvu18777 - WSA becomes unresponsive due to https server side connection leak

Last Modified

Sep 21, 2020

Products (1)

  • Cisco Web Security Appliance

Known Affected Releases

11.8.0-414

Description (partial)

Symptom:
The number of connections on the WSA can buildup, and result in WSA becoming unresponsive

Conditions:
This defect occurs with HTTPs requests, when the web server connection doesn't terminate.  Typically web servers will timeout their leftover connections, but not all do, plus sometimes a firewall on web server side may blackhole these connections.
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