[tproxy] tproxy bind failed - limit of TPROXY bind

elyasaf elyasaf at icomsw.com
Thu May 7 18:16:44 CEST 2009


You are right, its seems like linux bug
I see a patch that fixes it to free bsd, I cant find one to linux too
This limit the traffic to only 400mbits for each machine, it is a pity...

-----Original Message-----
From: KOVACS Krisztian [mailto:hidden at sch.bme.hu] 
Sent: Thursday, May 07, 2009 12:14 PM
To: elyasaf
Cc: 'KOVACS Krisztian'; tproxy at lists.balabit.hu
Subject: Re: [tproxy] tproxy bind failed - limit of TPROXY bind

Hi,

On Wed, May 06, 2009 at 08:35:19PM +0300, elyasaf wrote:
> Thank you for your response
> 
> I have more than 2Gbits (all tcp and udp via tproxy) on my networks, with
> more than 20k different active ips
> 
> I am not using the same ip twice
>  (local_addr.sin_addr.s_addr++;)
> Than I expected tproxy don't mix the bind, and treat them like different
> interface
> And my sample code, I think approve it

Indeed, sorry.

Have you tried removing the setsockopt(IP_TRANSPARENT) call from you
program? I'm asking because tproxy should not make a difference in how
bind() behaves (none of the tproxy patches changed that part of the
kernel).

-- 
KOVACS Krisztian



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