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Cisco Bug: CSCvu98197 - HTTPS connections matching 'Do not decrypt' SSL decryption rule may be blocked

Last Modified

Oct 08, 2020

Products (1)

  • Sourcefire Defense Center

Known Affected Releases

6.4.0 6.5.0 6.6.0 6.7.0

Description (partial)

Symptom:
- Some HTTPS connections  matching 'Do not decrypt' SSL decryption rule may be blocked
- Enabling SSL columns in the table view of events you will see the events with the ssl block
- That it might happen even after disabling aggressive TLS1.3 downgrade and TLS1.3 downgrade

Conditions:
- Access control policy with SSL decryption policy.
- A custom or default SSL decryption rule with the 'Do not decrypt' action.
- HTTPS connections match the rule(s) rule with the 'Do not decrypt' action.
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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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