I have a network problem on my MacOS that i need to troubleshoot. I know that TCP socket has internal timeout that will close connection if remote party is not responding (but no graceful disconnect either). Is it any command/tool i can use to check exact value of this timeout(s)?
TCP – How to Check TCP Timeout in Linux / macOS?
mac-osxtcp
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Best Answer
You can see all system-set tcp values with
Interpreted from tcp_var.h, tcp_subr.c, and tcp_timer.c:
I believe by default 8 keepalives will be sent before the connection is closed if SO_KEEPALIVE is set. Times are in milliseconds.