Protocols List -> Microsoft Teams

Microsoft Teams ports range, how to block Microsoft Teams in network?

Microsoft Teams
Support: WFilter zh.4.1, WFilter en.4.1, WFilter Free 1.0, WFilter ROS 1.0
  Author: Bruce ModifyTime: 2019-01-14 02:43:42  
      Microsoft Teams is the hub for team collaboration in Office 365 that integrates the people, content, and tools your team needs to be more engaged and effective.  

This protocol is official supported. You can install it in "System Settings"->"Protocols" of WFilter.


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"Microsoft Teams" uses TCP protocol for communication.

TCP traffic analysis

Ports Range

Dynamic ports, no fixed port found.

TLS traffic analysis

TLS connections are found in Microsoft Teams's traffic.

TLS Host(s) being connected(regular expression): teams\.microsoft\.com$.

How to block Microsoft Teams?

  • Block the listed http and tls domains to block Microsoft Teams.
  • Setup a content filter(ie: WFilter), which can block Microsoft Teams via signature matching.

Microsoft Teams v1.0(2019-01-14 02:43:42)

‚óŹ First release