netdev - Re: GTSM and TCP accept problem

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] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 18 Aug 2010 14:48:37 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	eric.dumazet@...il.com, herbert@...dor.apana.org.au,
	netdev@...r.kernel.org
Subject: Re: GTSM and TCP accept problem

From: Stephen Hemminger <shemminger@...tta.com>
Date: Wed, 18 Aug 2010 14:39:13 -0700

> On Mon, 16 Aug 2010 11:43:45 +0200
> Eric Dumazet <eric.dumazet@...il.com> wrote:
> 
>> Another idea would be to store the TTL of the SYN packet (or third
>> packet) and let application read it after accept(), allowing it to
>> reject the connection if it doesnt match expected TTL.
> 
> could be in tcp_info?

I'm sure we can squeeze a byte out of there :-)
--
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