Detections
Analytics

1.68 O365-LY-000002

Information

The HTTP fallback for SIP connection in Lync must be disabled.

GROUP ID: V-223345
RULE ID: SV-223345r1043178

Prevents from HTTP being used for SIP connection in case TLS or TCP fail.

Solution

Set the policy value for

Computer Configuration >> Administrative Templates >> Skype for Business 2016 >> Microsoft Lync Feature Policies 'Disable HTTP fallback for SIP connection'

to 'Enabled'.

See Also

https://workbench.cisecurity.org/benchmarks/26066

Item Details

Category: SYSTEM AND COMMUNICATIONS PROTECTION

References: 800-53|SC-23, CAT|II, CCI|CCI-001184, Rule-ID|SV-223345r1043178_rule, STIG-ID|O365-LY-000002, Vuln-ID|V-223345

Plugin: Windows

Control ID: 694699fedef7569955a2f826cc3223c7915ecc8f54837ce6d4b3e053e7558d76