Stuff

<VirtualHost  192.168.1.103:2800>      
        ServerName shoggoth.dyndns.biz
        ServerAlias *.shoggoth.dyndns.biz
        
	# get the server name from the Host: header
	# UseCanonicalName Off

        # splittable logs
        LogFormat "%{Host}i %h %l %u %t \"%r\" %s %b" vcommon


        ErrorLog /var/log/apache2/error.log
        CustomLog /var/log/apache2/access.log vcommon
        RewriteLogLevel 9
        RewriteLog /var/log/apache2/rewrite.log



        <Directory /www/hosts>
            # ExecCGI is needed here because we can't force
            # CGI execution in the way that ScriptAlias does
            Options FollowSymLinks ExecCGI
        </Directory>

        # now for the hard bit

                RewriteEngine On

        # a ServerName derived from a Host: header may be any case at all
        RewriteMap  lowercase  int:tolower


	## deal with normal documents first:
	# allow Alias /icons/ to work - repeat for other aliases
	RewriteCond  %{REQUEST_URI}  !^/icons/
	# allow CGIs to work
	RewriteCond  %{REQUEST_URI}  !^/cgi-bin/
	# do the magic
	RewriteRule  ^/(.*)$  /virtualhosts/${lowercase:%{SERVER_NAME}}/www/$1

	## and now deal with CGIs - we have to force a MIME type
	RewriteCond  %{REQUEST_URI}  ^/cgi-bin/
	RewriteRule  ^/(.*)$  /virtualhosts/${lowercase:%{SERVER_NAME}}/cgi-bin/$1  [T=application/x-httpd-cgi]

        # that's it!
</VirtualHost>