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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