Subject: Re: thoughts on limiting connections to a socket
To: NetBSD Networking Technical Discussion List <tech-net@NetBSD.ORG>
From: Greg A. Woods <woods@weird.com>
List: tech-net
Date: 06/05/2002 10:57:16
[ On Wednesday, June 5, 2002 at 01:49:35 (-0400), der Mouse wrote: ]
> Subject: Re: thoughts on limiting connections to a socket
>
> > maybe TCP needs an equivalent of SMTP's "421 please come back later"
> > response so it can say I'm here, and I'm listening, but I'm too damn
> > busy right now....
>
> Hm, this sounds pretty close to accepting the connection and
> advertising a zero window. With a little effort, I would expect the
> overhead to get down to the order of half-open connections (ie, the
> table maintained by the SYN-flood defenses).
No, I mean that's the end of the connection attempt -- the client gets
an ETOOBLOODYBUSY instead of ECONNREFUSED.... :-) (EAGAIN I mean :-)
--
Greg A. Woods
+1 416 218-0098; <gwoods@acm.org>; <g.a.woods@ieee.org>; <woods@robohack.ca>
Planix, Inc. <woods@planix.com>; VE3TCP; Secrets of the Weird <woods@weird.com>