Host Header Site
Danny Mayer
mayer at gis.net
Fri Jul 8 02:07:19 UTC 2005
Chris wrote:
> "Brad Knowles" <brad at stop.mail-abuse.org> wrote in message
> news:daisa4$vse$1 at sf1.isc.org...
>
>>At 2:24 AM -0400 2005-07-07, Vinny Abello wrote:
>>
>>
>>> It doesn't matter how you setup the record pointing to the web
>>> server.
>>
>>Actually, it does matter. The name has to resolve directly to
>>the IP address. If you use a CNAME record instead, most browsers and
>>proxies will change the name that is being asked for to match the
>>"canonical name" that they've been given. If you give them an IP
>>address instead, they go ahead and use the original name as provided.
>>
>
>
> Really? We have hundreds of hosted web sites using a CNAME to the name of
> the hosting server and it's always worked just fine.
>
The CNAME's fine. The browser doesn't care. It takes whatever FQDN is in
the URL and stuffs it into the host: record of the HTTP request. It has
absolutely nothing to do with the IP address that the resolver finds.
Danny
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