Hi,
I'm looking for some assitance in monitoring Lync Online (Office 365) traffic. Would it just be a matter of monitoring traffic on port 443, or is there a way to deep dive/isolate Lync traffic?
What firewall ports do I need open to connect to Office 365 for Education? - Microsoft Education in the Cloud - Site Hom…
So beside of port 443, there are few more. Additionally you can create and IP group of Lync servers, and use it together with port definition to improve the application def.