netdev - Re: [PATCH v2] tcp: Change possible SYN flooding messages

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]

Date:	Thu, 15 Sep 2011 15:06:56 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	therbert@...gle.com, netdev@...r.kernel.org
Subject: Re: [PATCH v2] tcp: Change possible SYN flooding messages

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 30 Aug 2011 15:21:44 +0200

> "Possible SYN flooding on port xxxx " messages can fill logs on servers.
> 
> Change logic to log the message only once per listener, and add two new
> SNMP counters to track :
> 
> TCPReqQFullDoCookies : number of times a SYNCOOKIE was replied to client
> 
> TCPReqQFullDrop : number of times a SYN request was dropped because
> syncookies were not enabled.
> 
> Based on a prior patch from Tom Herbert, and suggestions from David.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>

Applied, thanks Eric.
--
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