Protocols List -> Dtalk File(PC)

Dtalk File(PC) ports range, how to block Dtalk File(PC) in network?

Dtalk File(PC)
Support: WFilter zh.4.1, WFilter en.4.1, WFilter Free 1.0, WFilter ROS 1.0
  Author: Bruce ModifyTime: 2020-06-28 23:21:00  
      This protocol can detect and block dingtalk PC version file uploading.  

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


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"Dtalk File(PC)" uses TCP protocol for communication.

TCP traffic analysis

Ports Range

Dynamic ports, no fixed port found.

TLS traffic analysis

TLS connections are found in Dtalk File(PC)'s traffic.

TLS Host(s) being connected(regular expression): sh\.oss-accelerate\.aliyuncs\.com$, (sh\.trans|space)\.dingtalk\.com$.

How to block Dtalk File(PC)?

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

Dtalk File(PC) v3.0(2020-06-28 23:21:00)

● update pattern.

Dtalk File(PC) v1.0(2020-03-05 07:19:26)

● First release