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Cisco Bug: CSCvh91284 - Cannot block Ultrasurf

Last Modified

Nov 21, 2019

Products (1)

  • Cisco Firepower Management Center

Known Affected Releases


Description (partial)

Have a FMC running VDB version: 

VDB Version	build 292 ( 2017-12-15 21:49:47 )

Attempt to block Ultrasurf (Standalone or Browser Extension)

Create AC policy.
Add a Block rule with reset and Ultrasurf detector in it.
Download the standalone or Web Browser Extension.
Open Ultrasurf in either the supported Web Browser or Standalone Application 
Try to browse to any page.
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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