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From "Boyle Owen" <Owen.Bo...@swx.com>
Subject RE: [users@httpd] (again) Can not define "default" name virtual host
Date Tue, 11 Jul 2006 13:29:16 GMT
> -----Original Message-----
> From: Matus UHLAR - fantomas [mailto:uhlar@fantomas.sk] 
> > 
> > This is intended for some reason or another.  In the source, the
> > <VirtualHost> name is searched first (in order of appearance in conf
> > file) and returns a match before ServerName/Alias is even tried.

I would guess that the reason is to emulate the OSI model. The VH is defined by an IP address
and port number, which are attributes of the TCP/IP layer. The ServerName is defined by a
Host name, which is a header in the HTTP layer. The TCP/IP transport layer is more fundamental
than the HTTP application layer so has to take precedence.

Rgds,
Owen Boyle
Disclaimer: Any disclaimer attached to this message may be ignored. 

> > There is even a comment in the source stating that "If this is a
> > NameVirtualHost then we may not be doing the Right Thing".  So you
> > could argue a bug, but this goes all the way through to 2.2.2 so it
> > will never be changed, heh.
> 
> I always thought it's a bug ;) Of course the judgement is not on me.
> 
> I guess, this functionality was created to make name-vhost 
> configurations
> like this one:
> 
> ###
> NameVirtualHost "host1"
> 
> <VirtualHost "host1">
> DocumentRoot /home/host1
> </VirtualHost>
> 
> <VirtualHost "host2">
> DocumentRoot /home/host2
> </VirtualHost>
> ###
> 
> ...work, where "host1" and "host2" point to the same address, 
> e.g. to make the
> move from ip-based to name-based vhosts a bit easier by 
> avoiding the need of
> using ServerName/ServerAlias. But that's just my guess, based 
> on config file
> I saw some time ago.
> 
> > So, as previously stated, just always configure your VH with
> > ServerName same as <VirtualHost> tag as the *first* one in the file.
> > This will work fine.
> 
> It won't work the desired way - as I said before, I want to 
> have virtual
> hosts that only applies to non-existing names...
> 
> > As for patching (not recommended), you could change
> > ap_matches_request_vhost in http_vhost.c to run the matches_aliases
> > before the VirtualHost name matches.
> 
> Or possibly to remove the VirtualHost names match at all? Or 
> do it only if
> no ServerName/ServerAlias is defined? Do you think that could break
> anything? (my problem is that thhe check is done at all).
> 
> ### However:
> 
> I found out this dirty workaround:
> 
> 1. put default.fantomas.sk to /etc/hosts:
> 
> 196.168.3.66	fantomas.fantomas.sk	default.fantomas.sk
> 
> (default.fantomas.sk is "virtual" name - it's designed not to 
> exist in DNS,
>  fantomas.fantomas.sk is main host name and for reverse 
> mapping it must be
>  the first, otherwise other apps may comply)
> 
> 2. use "NameVirtualHost default.fantomas.sk" directive
> 3. define virtualhosts on this fake host
> 
> This way it works as desired, and it also works, if other hosts then
> defauilt have "fantomas.fantomas.sk" or "195.168.3.66" in 
> <VirtualHost>, as
> long as there is in NameVirtualHost with the same value.
> 
> ### *This way it works
> 
> NameVirtualHost default.fantomas.sk:80
> # and also
> #NameVirtualHost fantomas.fantomas.sk:80
> 
> <VirtualHost default.fantomas.sk:80>
> ServerName default.fantomas.sk
> DocumentRoot /home/webs/default.fantomas.sk
> </VirtualHost>
> 
> <VirtualHost default.fantomas.sk:80>
> # or also
> #<VirtualHost fantomas.fantomas.sk:80>
> ServerName fantomas.fantomas.sk
> DocumentRoot /home/webs/fantomas.fantomas.sk
> </VirtualHost>
> 
> <VirtualHost default.fantomas.sk:80>
> # or also
> #<VirtualHost fantomas.fantomas.sk:80>
> ServerName 195.168.3.66
> DocumentRoot /home/webs/195.168.3.66
> </VirtualHost>
> 
> ### END *This
> 
> 
> Once recommended way - using * (even *:80) for 
> default.fantomas.sk, does NOT
> work, virtual host "default.nextra.sk" will never get 
> matched. That way
> fantomas.fantomas.sk and 195.168.3.66 match, and the default 
> is the first
> one of them.
> 
> Note I want these hosts only at _one_ IP address, so using 
> "*" for _all_
> hosts is not possible.
> 
> ### *This does NOT work
> 
> NameVirtualHost *:80
> 
> <VirtualHost *:80>
> ServerName default.fantomas.sk
> DocumentRoot /home/webs/default.fantomas.sk
> </VirtualHost>
> 
> NameVirtualHost 195.168.3.66:80
> 
> <VirtualHost 195.168.3.66:80>
> ServerName 195.168.3.66
> DocumentRoot /home/webs/195.168.3.66
> </VirtualHost>
> 
> <VirtualHost 195.168.3.66:80>
> ServerName fantomas.fantomas.sk
> DocumentRoot /home/webs/fantomas.fantomas.sk
> </VirtualHost>
> 
> ### END *This
> 
> Well, At least I know how to workaround this issue. I will 
> post comments to
> bug 39910... 
> 
> -- 
> Matus UHLAR - fantomas, uhlar@fantomas.sk ; http://www.fantomas.sk/
> Warning: I wish NOT to receive e-mail advertising to this address.
> Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
> Fucking windows! Bring Bill Gates! (Southpark the movie)
> 
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