[Wylug-help] supplying services on non-standard ports

[Andrew Beresford]

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Hi Marc,

iptables can do this kind of thing... you probably want something like;

iptables -t nat -A PREROUTING -p tcp --dport 12345 -j REDIRECT
--to-ports 3306

Having said that... if your mysql traffic is always only going to be
coming from a known IP address, why not firewall the port using iptables
so only a specific address can connect to port 3306 or use hosts.allow
to do the same.

Cheers,

Andrew

On Wed, 2004-06-02 at 13:33 +0100, Marc Jennings wrote:
> Hi there,
>
> I am running a mySQL server on a public-facing network that I need to
> connect to from another server.  I would like to be able to specify a
> non-standard port so that it is less obvious what service I am
> exposing.  I do not want to change the mySQL config if I can help it.
>
> Is there any easy way to use the OS to map requests coming in on (for
> example) port 12345 to port 3306, or will I have to fudge my database
> config to enable this kind of functionailty?
>
> Thanks in advance
> Marc
>
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