App Control: Custom Rule Not Working on DFS Path
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App Control: Custom Rule Not Working on DFS Path

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Article ID: 286035

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Updated On:

Products

Carbon Black App Control (formerly Cb Protection)

Issue/Introduction

Blocks on a DFS path that should be approved by a custom rule

Environment

  • App Control Agent: All Versions
  • Microsoft Windows: All Versions

Cause

Expected behavior

Resolution

DFS is a hard thing with respect to path rules. When the agent evaluates a rule, the name has been normalized to the physical location. Adding the true (non DFS) path to the rule will be required for it to correctly work.