Zoom ports range, how to block Zoom in network?

  Protocol:
Zoom
Support: WFilter zh.4.1, WFilter en.4.1, WFilter Free 1.0, WFilter ROS 1.0, WFilter MINI 1.0
  Author: Bruce ModifyTime: 2021-01-14 21:38:35  
      Zoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, chat, and webinars across mobile, desktop, and room systems.  

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

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"Zoom" uses both TCP and UDP protocol for communication.

TCP traffic analysis

Ports Range

Remote tcp port(s): 8801-8802.

TLS traffic analysis

TLS connections are found in Zoom's traffic.

TLS Host(s) being connected(regular expression): (zoom\.us|zoom\.com|zoomus\.cn)$.

UDP traffic analysis

Ports Range

Local udp port(s): 8801-8802.

How to block Zoom?

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

Zoom v2.0(2021-01-14 21:38:35)

● Add pattern

Zoom v1.0(2020-12-24 01:52:25)

● First release

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