[erlang-questions] Difference in 'close' for gen_tcp recv vs. active

[Dror Mein]

I had the same problem, but I thought using {keepalive,true} or {send_timeout,Time} would help. I see in wireshark that keep alive does not pass through but I still don't get an {error, closed}.
Someone wrote that default timeout for keepalive is two hours. where can it be configured?
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