DNS & portnumbers

[Kevin Darcy]

Sjoerd wrote:

> Haai,
>
> Maybe a strange question, but is it possible to make an entry in the DNS for
> a certain host, to let it connect on a certain port?
> What I want to do is connecting from the internet to several websites with
> different names, but have to go through the same firewall. I don't want to
> place a port number behind the url, just the name, so when the first website
> takes port 80, you can't use that anymore for the 2nd and so on.

The good news is that SRV records allow you to specify a port number, as well
as a name, with a particular service location.

The bad news is that SRV-aware web clients are probably years away and there is
no other way for DNS to express port number information.


- Kevin