It should be very safe to count on the host header. Maybe some really
really old browser would not support that. But they probably won't work in
today's WWW anyway. Majority of today's web site is likely to be virtually
hosted. One Apache maybe hosting for 50 web addresses. If a client strip
the host name and not sending the host header either the web server
wouldn't what address it is really looking for. If you caught some request
that doesn't have host header it is a good idea to redirect them to a
browser upgrade page.
Thanks, aurora ;),
aurora wrote:
If you actually want the IP, resolve the host header would give you
that.
I' m only interested in the hostname.
The second form of HTTP request without the host part is for
compatability of pre-HTTP/1.1 standard. All modern web browser should
send the Host header.
How safe is the assumtion that the Host header will be there? Is it part
of the HTTP/1.1 spec? And does it mean all "pre 1.1" clients will fail?
Hmm, maybe I should look on the wire whats really happening...
thanks again
Paul
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