Trace/debug TCP connections on macOS

App & System Services Core OS
paszyrko OP
Created Jan ’22
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Hi. We are analyzing an issue in out macOS application. At some point a SSL channel open by the app to a server is broken and writing data is failing. Is there any tool recommended to trace/debug TCP connections for macOS. Regards, Pablo

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Hoffman OP
Jan ’22

See if implementing and connecting to and using the mitmproxy or similar TLS proxy tool might help figure out where the fault lurks.

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DTS Engineer OP
Apple
Jan ’22

Is there any tool recommended to trace/debug TCP connections for macOS.

There are many. For specific advice, see Choosing a Network Debugging Tool.

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Trace/debug TCP connections on macOS
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