Re: question about linux tcp request queue handling

[Nivedita Singhvi]

> Linux (2.4.18) places incoming connection requests into the syn_recd state
> when the server's backlog queue is full.  I thought they were supposed to be
> discarded if the server's backlog is full, forcing the client to
> subsequently retransmit the request after it times out.  Why does linux put
> the server side into the syn_recd state when its backlog is full?

Do you have tcp_syncookies on? And are you exceeding
the len as configured by tcp_max_syn_backlog?

thanks,
Nivedita

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