> I still don't understand what name based virtual hosting has to do with SSL.  You 
>can know at global
> server scope whether a port/ip pair is SSL or not and you install mod_tls 
>appropriately.  Maybe I am
> being dense or you are really meaning ip-based host rather than name based (i.e., 
>the Host: header)
> virtual hosting.

I think Graham is referring to the use of the Upgrade header field to
change a connection from HTTP to HTTP-over-SSL, which is described in
a recent RFC.  That is the only way to use SSL with name-based virtual
hosts (as opposed to separate IP address virtual hosts).

....Roy

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