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XCCDF
Microsoft Skype for Business 2016 Security Technical Implementation Guide
Profiles
I - Mission Critical Classified
I - Mission Critical Classified
An XCCDF Profile
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2 rules organized in 2 groups
SRG-APP-000219
1 Rule
<GroupDescription></GroupDescription>
Session Initiation Protocol (SIP) security mode must be configured.
Medium Severity
<VulnDiscussion>When Lync connects to the server, it supports various authentication mechanisms. This policy allows the user to specify whether Digest and Basic authentication are supported. Disabled (default): NTLM/Kerberos/TLS-DSK/Digest/Basic Enabled: Authentication mechanisms: NTLM/Kerberos/TLS-DSK Gal Download: Requires HTTPS if user is not logged in as an internal user. </VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000219
1 Rule
<GroupDescription></GroupDescription>
In the event a secure Session Initiation Protocol (SIP) connection fails, the connection must be restricted from resorting to the unencrypted HTTP.
Medium Severity
<VulnDiscussion>Prevents from HTTP being used for SIP connection in case TLS or TCP fail. </VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>