lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:	Sun, 6 Jan 2013 02:31:17 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v2] tcp: split tcp_ecn sysctl knob to distinguish between IPv4 and IPv6

On Thu, Jan 03, 2013 at 04:53:50AM -0800, David Miller wrote:
> > On Thu, Jan 03, 2013 at 01:00:09AM +0100, Hannes Frederic Sowa wrote:
> >> ECN could be more reliable when used with IPv6 (I don't have proofs). For
> >> people who want to try ECN with IPv6 but still have problems connecting
> >> to destinations because of broken IPv4 routers this switch allows one
> >> to enable ECN just for IPv6.
> >> 
> >> Perhaps ECN could be enabled by default in future.
> >> 
> >> No code changes since initial submission, just added documentation.
> > 
> > May I ask what lead to the rejection of the patch?
> 
> I don't see any value in splitting up ipv4 and ipv6.
> 
> I think we should turn the existing knob on unliaterally
> by default.  That would be a much better patch.

I wonder if we really should go down this route to turn on ecn by
default or if I should try to come up with a patch which marks non
working ecn paths in the destination cache and suppress ecn for those
connections. Any advice?

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists