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Date: Mon, 10 Jun 2002 13:58:30 -0700 (PDT)
From: Nivedita Singhvi <niv@us.ibm.com>
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Subject: removing old SYN packets
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> I need some information about the TCP implementation. I didn't 
> find any information in my Linux Kernel book or in any other 
> tutorial about TCP and I do not really understand the tcp.c

> The kernel should remove SYN packets if it doesn't recive the 
> final ACK. But where is that implemented in the Linux Kernel?

when the synack timer goes off and it has retried enough times
(at least sysctl_tcp_synack_retries times or the max that was
set for the connection).

see timer.c: tcp_synack_timer() stuff

thanks,
Nivedita

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