Protocols List -> Wechat Business

Wechat Business ports range, how to block Wechat Business in network?

  Protocol:
Wechat Business
Support: WFilter zh.4.1, WFilter en.4.1, WFilter Free 1.0, WFilter ROS 1.0
  Author: Bruce ModifyTime: 2018-01-19 01:33:07  
      Wechat for business. This protocol can detect, block wechat for business.  

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

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"Wechat Business" uses TCP protocol for communication.

TCP traffic analysis

Ports Range

Remote tcp port(s): 8080.

HTTP traffic analysis

HTTP traffic is found in Wechat Business's traffic.

Host(s) being connected(regular expression): work\.weixin\.qq\.com$.

TLS traffic analysis

TLS connections are found in Wechat Business's traffic.

TLS Host(s) being connected(regular expression): sz-btfs-v2-yunup-ftn\.weiyun\.com$, work\.weixin\.qq\.com$.

How to block Wechat Business?

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

Wechat Business v2.0(2018-01-19 01:33:07)

● New version.

Wechat Business v1.0(2018-01-06 04:18:31)

● First time release.

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