STIGQter: STIG Summary: Microsoft Lync 2013 STIG Version: 1 Release: 4 Benchmark Date: 27 Apr 2018:

Session Initiation Protocol (SIP) security mode must be configured.

DISA Rule

SV-52835r1_rule

Vulnerability Number

V-40777

Group Title

DTOO421 - Session Initiation Protocol (SIP) security mode

Rule Version

DTOO421

Severity

CAT II

CCI(s)

• CCI-001184 - The information system protects the authenticity of communications sessions.

Weight

10

Fix Recommendation

Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Lync 2013 -> Microsoft Lync Feature Policies "Configure SIP security mode" to "Enabled".

Check Contents

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Lync 2013 -> Microsoft Lync Feature Policies "Configure SIP security mode" is set to "Enabled".

Procedure: Use the Windows Registry Editor to navigate to the following key:

HKLM\Software\Policies\Microsoft\office\15.0\lync

Criteria: If the value enablesiphighsecuritymode is REG_DWORD = 1, this is not a finding.

Vulnerability Number

V-40777

Documentable

False

Rule Version

DTOO421

Severity Override Guidance

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Lync 2013 -> Microsoft Lync Feature Policies "Configure SIP security mode" is set to "Enabled".

Procedure: Use the Windows Registry Editor to navigate to the following key:

HKLM\Software\Policies\Microsoft\office\15.0\lync

Criteria: If the value enablesiphighsecuritymode is REG_DWORD = 1, this is not a finding.

Check Content Reference

M

Responsibility

Information Assurance Officer

Target Key

2488

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