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Cisco Bug: CSCzv95175 - Web interface stops responding after entering regex in a URL category

Last Modified

Mar 01, 2018

Products (1)

  • Cisco Web Security Appliance

Known Affected Releases

7.1.3-021 7.1.4-000 7.5.0-000 7.7.0-000 8.0.0-000

Description (partial)

Symptom:
Web interface stops responding after entering some regular expressions with trailing context patterns in a custom URL category.

Conditions:
This is a known issue with Flex, the application that AsyncOS for Web uses to analyze regular expressions. 
For more information on this limitation, go here:
http://flex.sourceforge.net/manual/Limitations.html#Limitations
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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