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Home > Archive > IIS Server Security > May 2006 > Multiple secured web servers on same IP require multiple certificates?
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Multiple secured web servers on same IP require multiple certificates?
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| htroberts@gmail.com 2006-05-13, 7:16 am |
| Sorry if this has been answered, I've googled and read several FAQs.
If I want to run several secured web sites on different ports on the
same web server (same IP), do I need multiple SSL certificates? What
I've read suggests that SSL is *only* associated with the FQDN of the
site, not any particular port, but I haven't seen this addressed and
wanted some confirmation.
Thanks,
Heath
I'm using IIS on Windows server 2003, if that makes any difference.
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| Daniel Crichton 2006-05-16, 1:16 pm |
| htroberts@gmail.com wrote on 13 May 2006 01:22:28 -0700:
> Sorry if this has been answered, I've googled and read several FAQs.
>
> If I want to run several secured web sites on different ports on the
> same web server (same IP), do I need multiple SSL certificates? What
> I've read suggests that SSL is *only* associated with the FQDN of the
> site, not any particular port, but I haven't seen this addressed and
> wanted some confirmation.
>
> Thanks,
> Heath
>
> I'm using IIS on Windows server 2003, if that makes any difference.
An SSL certificate is tied to a specific FQDN, or in the case of a wildcard
certificate a group of FQDNs with the same domain part. If each of your
sites to be secured has a different FQDN, and a wildcard certificate isn't
an option, you will need a separate SSL certificate for each one. The port
is irrelevant.
Dan
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