netdev - Re: [RFC PATCH 1/2] [TCP]: MTUprobe: receiver window & data available checks fixed

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 linux-hardening linux-cve-announce 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]

Message-ID: <20071122151622.GA11351@gondor.apana.org.au>
Date:	Thu, 22 Nov 2007 23:16:22 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
Cc:	John Heffner <jheffner@....edu>, Netdev <netdev@...r.kernel.org>
Subject: Re: [RFC PATCH 1/2] [TCP]: MTUprobe: receiver window & data available checks fixed

On Thu, Nov 22, 2007 at 03:11:35PM +0200, Ilpo Järvinen wrote:
>
> ...We'll be using current MTU sized packets except for the probe until
> the probe has succeeded, only from that point onward will the new packets
> will be sent with the larger MTU. If the probe succeeds, all reservations
> we made here are no longer meaningful or necessary anyway. The point is to
> detect failure by having fast recovery triggered by the current MTU sized
> packets that follow the probe, that's because we "know" that those smaller
> packets are not going to be dropped by the path even though an oversize
> probe would be.

Thanks for the explanation!

I'll apply both patches to net-2.6.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
-
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