Skip to content
ATO Pathways
Log In
Overview
Search
Catalogs
SCAP
OSCAL
Catalogs
Profiles
Documents
References
Knowledge Base
Platform Documentation
Compliance Dictionary
Platform Changelog
About
Catalogs
XCCDF
Microsoft Lync 2013 STIG
DTOO421 - Session Initiation Protocol (SIP) security mode
Session Initiation Protocol (SIP) security mode must be configured.
Session Initiation Protocol (SIP) security mode must be configured.
An XCCDF Rule
Details
Profiles
Prose
Session Initiation Protocol (SIP) security mode must be configured.
Medium Severity
<VulnDiscussion>Lync 2013 provides a single, unified client for real-time communications, including voice and video calls, Lync Meetings, presence, instant messaging, and persistent chat, using the Session Initiation Protocol (SIP). SIP is widely used for controlling multimedia communication sessions, such as voice and video calls over Internet Protocol (IP) networks. By using TLS it would render a sniff/man in the middle attack very difficult to impossible to achieve within the time period in which a given conversation could be attacked. TLS authenticates all parties and encrypts all traffic. This does not prevent listening over the wire, but the attacker cannot read the traffic unless the encryption is broken.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility>System Administrator</Responsibility><Responsibility>Information Assurance Officer</Responsibility><IAControls></IAControls>