Protocols List -> IOS Update
IOS Update ports range, how to block IOS Update in network?
|Support:||WFilter zh.4.1, WFilter en.4.1, WFilter Free 1.0, WFilter ROS 1.0|
|This protocol can block apple IOS system auto update.|
This protocol is official supported. You can install it in "System Settings"->"Protocols" of WFilter.
|200 characters remaining.|
"IOS Update" uses TCP protocol for communication.
TCP traffic analysis
Dynamic ports, no fixed port found.
HTTP traffic analysis
HTTP traffic is found in IOS Update's traffic.
Host(s) being connected(regular expression): (updates-http\.cdn-apple\.com|swcdn\.apple\.com)$.
TLS traffic analysis
TLS connections are found in IOS Update's traffic.
TLS Host(s) being connected(regular expression): ^gdmf\.apple\.com$.
How to block IOS Update?
- Block the listed http and tls domains to block IOS Update.
- Setup a content filter(ie: WFilter), which can block IOS Update via signature matching.