netdev - Re: [RFC] random SYN drops causing connect() delays

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]

Message-ID: <20100428044443.GL19763@bombadil.infradead.org>
Date:	Wed, 28 Apr 2010 00:44:43 -0400
From:	Thomas Graf <tgraf@...radead.org>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [RFC] random SYN drops causing connect() delays

On Tue, Apr 27, 2010 at 06:56:02PM -0700, David Miller wrote:
> I can't reproduce on my system even with sched_child_runs_first set to '1'.
> 
> Are you running identd or something like that which intercepts the connections
> to port 22 before 'sshd' actually gets it?

No, sshd is listening on the port directly.

I am having more difficulties to reproduce the issue with the latest git tree. It
still happens but I sometimes have to run the test several times to get a single
delayed connection attempt.
--
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