excellent explanation has helped me a lot although you were right a lot of ISP dont let you do this and mine is one of them :( oh well back to the drawing board lol

Thanks again guys



> Date: Thu, 20 Mar 2008 10:17:36 +0000
> From: adam@adamsweet.org
> To: staffslug@staffslug.org.uk
> Subject: Re: [Staffslug] Setting up linux server behind NAT
>
>
> > On 19/03/2008, Adam Sweet <adam@adamsweet.org> wrote:
> >
> > 'An excellent HOW TO'.
> >
> > Can Adam's explanation be incorporated into the LUG home page
> > somewhere? It certainly deserves to be accessible; if Adam agrees?
>
> Blush, sure I have no problem with that at all. I have since thought of
> one or 2 additions I should have made though.
>
> 1) If your ISP allows and many don't, you should set up a reverse DNS
> record (you need to do this with your ISP, not ZoneEdit or whomever you
> did your other DNS stuff with, since they own the IP address and therefore
> answer the DNS lookups on it.
>
> Reverse DNS records are called PTR records and map your IP address back to
> a hostname rather than the other way round which you have (theoretically)
> already set up. You need to do this if you plan to host mail since some
> mail servers check your forward (hostname to IP address) and reverse DNS
> records (IP address to hostname) and reject your mail if they don't match.
> So, set up a PTR record with your ISP that matches the A record you
> provided for the server named in your MX record, aka
> mail.silverrook.co.uk.
>
> 2) If you to run your server on a DMZ instead of your main LAN, Windows
> style Samba file sharing won't work as it relies upon a lot chattery
> communication between the hosts and being on a DMZ doesn't allow your
> server to initiate communication with the main LAN.
>
> Regards,
>
> Adam Sweet
>
> --
>
> http://blog.adamsweet.org/
>
>
>
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