WebSocket
1. What's it?
Proxyman could capture WebSocket (WS) and Secure WebSocket (WSS) traffic and easily preview it.
Capture WS/WSS from iOS Physical devices and iOS Simulator (Required Atlantis framework)
Capture WS/WSS from Web Browser and Mac applications.
Capture WS/WSS from Android Physical devices or Android Emulators.
Prettier WebSocket Message.
Filter All / Sent / Received messages.
See the content in JSON / Tree Preview / HEX format.
Customize Columns: Frame, Length, Data, Time, ...
Auto decode Binary Message to JSON if possible
Open WebSocket messages by external Editors, such as Sublime, VSCode
2. Capture WS/WSS from iOS
If your iOS app is using URLSessionWebSocketTask or iOS WebSocket libraries, e.g. Starscream, SocketRocket, etc. Proxyman might not be able to capture WS/WSS traffic.
Reason: It's an intention of Apple. URLSessionWebSocketTask doesn't respect the System HTTP Proxy. All WS/WSS traffic goes directly to the Internet. Thus, Proxyman or Charles Proxy can't capture it.
✅ Solution
Use Atlantis Framework (developed by Proxyman) to capture WS/WSS URLSessionWebSocketTask traffic from iOS.
Read more at https://github.com/ProxymanApp/atlantis
Screenshots
3. Map Websocket from Localhost <-> Production
It's possible to map the WebSocket Traffic from localhost <-> Production. Please check out the Map Remote Tool.
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