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Windows OS updates traffic is rejected by IPS blade with "Block HTTP Non Compliant - Failed to handle connection data" Technical Level
  • IPS blade rejects Windows OS updates traffic with the followind log in SmartView Tracker:

    Type: Log
    Action: Reject
    Service: http (80)
    Protocol: tcp
    Attack: Block HTTP Non Compliant
    Product: IPS Software Blade
    Reason: Failed to handle connection data
    Protection Name: Non Compliant HTTP

A new feature for HTTP 206 parsing for Threat Emulation was added in R77.10 that is causing the incorrect validation of the Windows update URL.

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