Protocols List -> QQ offline FTP
QQ offline FTP ports range, how to block QQ offline FTP in network?
QQ offline FTP
|Support:||WFilter zh.4.1, WFilter en.4.1, WFilter Free 1.0, WFilter ROS 1.0|
|QQ offline file transfer. Your files will be relayed via QQ servers. This protocol can block offline files via QQ messenger.|
This protocol is official supported. You can install it in "System Settings"->"Protocols" of WFilter.
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"QQ offline FTP" uses TCP protocol for communication.
TCP traffic analysis
Dynamic ports, no fixed port found.
HTTP traffic analysis
HTTP traffic is found in QQ offline FTP's traffic.
It also uses a particular UserAgent(regular expression): ^QQClient.
How to block QQ offline FTP?
- Setup a content filter(ie: WFilter), which can block QQ offline FTP via signature matching.