[CentOS] multiple signed ssl certificatess on single IP address

Robin Mordasiewicz robin at mordasiewicz.com
Sun Mar 19 03:36:10 UTC 2006

On Sat, 18 Mar 2006, Ara Avvali wrote:

> Good afternoon everyone,
> This is my first post here. I was wondering if someone could clear my
> mind about this.
> I have a dedicated server with a single ip address assigned to it. I
> want to host couple of site which are hosted somewhere else and they
> have signed certificates. Now I want to host them all on this single
> server.
> Is it possible to bound more than one cert to a single IP based apache
> server and host multiple virtual directories?
> I did a research on line and found couple answers which are all
> confusing me.
> One suggested that I need to get additional ip's and assign different
> sites to it. (Not a very practical solution)
> Other one says we can use the same cert and ip but have secondary host
> on different port number than default.  Something likes
> https://www.abc.com <https://www.abc.com/>  and https://www.def.com:444
> <https://www.def.com:444/>  and so on. But this will cause people a
> warning regarding the certificate error on second path, is that correct?
> Some one suggested a wild card certificate but how can I do that since
> dedicated server name is a.dedicated.hostingcompany.com and I need to
> generate certificates covering *.abc.com and *.def.com
> Would someone kindly clear my mind on this issue?

You will indeed require separate ip addresses per domain cert, or if you 
do not have access to multiple ip addresses then you could run them on 
separate ports. You summed it up correctly in your post.

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