From: Date: August 31 2005 10:08am
Subject: Re: Connections with bad DNS cause lockups
List-Archive: http://lists.mysql.com/mysql/188499
Message-Id: <255gu2xu4m.ln2@blend.ensita.net>

Hello.

Have a look here:
  http://dev.mysql.com/doc/mysql/en/dns.html

You may want to start mysqld with the --skip-name-resolve option.


Tuc at T-B-O-H <ml@stripped> wrote:
> Hi,
> 
>        We seem to be running into a problem with our 
> installation that we don't understand.
> 
>        We are running "mysql-server-4.0.25" from
> the ports collection on a FreeBSD 5.3-RELEASE-p10
> machine. Its tcpwrapper'd to only allow from our
> /24, and a single machine outside the /24.
> 
>        At times, all of a sudden the server seems
> to "freeze". It appears that we've narrowed it down
> to an issue with people attacking the server that
> come from a site that has a bad reverse DNS setup.
> 
>        Has anyone else seen this, or knows how
> to stop it?
> 
>                Thanks, Tuc
> 


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