netdev - Re: [PATCH] [1/1] Deprecate tcp_tw

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 for Android: free password hash cracker in your pocket

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

Message-ID: <20080131164956.GG25989@bingen.suse.de>
Date:	Thu, 31 Jan 2008 17:49:57 +0100
From:	Andi Kleen <ak@...e.de>
To:	Ben Greear <greearb@...delatech.com>
Cc:	Andi Kleen <ak@...e.de>, netdev@...r.kernel.org
Subject: Re: [PATCH] [1/1] Deprecate tcp_tw_{reuse,recycle}

On Thu, Jan 31, 2008 at 08:41:38AM -0800, Ben Greear wrote:
> I don't know exactly how the tcp_tw_recycle works, but it seems like it 
> could be made to only
> take affect when all local ports are used up in TIME_WAIT.  

TIME-WAIT does not actually use up local ports; it uses up remote ports
because it is done on the LISTEN socket which has always a fixed
local port. And it has no idea how many ports the other end has left.

-Andi
--
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