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  Microsoft Office 365 -- HTTPS Activity 2

Category: BUSINESS-APPS      

Application: Microsoft Office 365      

Microsoft Skype for Business--formerly known as Microsoft Lync, and Microsoft Office Communicator before that--is the Instant Messaging, Presence, and Voice Call service from Microsoft. The network traffic looks very different from Microsoft Skype, but eventually the two may merge. This application uses SIP-TLS, and LDAPS over TCP ports 5060-5062.

This SonicWALL signature identifies legitimate Microsoft Skype for Business traffic.



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