Subject: ACK rate-limiting
To: None <itojun@netbsd.org>
From: Jason Thorpe <thorpej@wasabisystems.com>
List: tech-net
Date: 04/20/2004 09:59:56
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On Apr 20, 2004, at 9:52 AM, Jun-ichiro itojun Hagino wrote:

> Module Name:	src
> Committed By:	itojun
> Date:		Tue Apr 20 16:52:12 UTC 2004
>
> Modified Files:
> 	src/sys/netinet: tcp_input.c tcp_subr.c tcp_var.h
>
> Log Message:
> - respond to RST by ACK, as suggested in NISCC recommendation
> - rate-limit ACKs against RSTs and SYNs

Isn't rate-limiting against SYNs effectively going to rate-limit how 
quickly you can passively establish a TCP connection?  This doesn't 
strike me as being very good for e.g. web servers.

...or, am I just missing something?

         -- Jason R. Thorpe <thorpej@wasabisystems.com>


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