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From Tony Finch <...@dotat.at>
Subject Re: [STATUS] (apache-1.3) Sun Jun 6 23:45:09 EDT 1999
Date Mon, 07 Jun 1999 13:13:13 GMT
Rodent of Unusual Size <Ken.Coar@Golux.Com> wrote:
>
>    * Tony Finch's patch to support mass virtual hosting
>	Message-ID: <E10kXMV-00011I-00@fanf.noc.demon.net>
>	Status: Dean +1, Randy +1, Lars +1 (if someone writes the docs)
>                Jim +1

My post contained documentation for mod_vhost_alias and an update to
mod_log_config's documentation but I missed out an explanation of
UseCanonicalName DNS for the core documentation. It is included below.
The mass vhosting documentation needs a re-vamp too but I haven't done
that yet.

Tony.
-- 
f.a.n.finch   dot@dotat.at   fanf@demon.net   black dog


Index: core.html
===================================================================
RCS file: /a/cvsroot/src/www/apache_1-3_fanf/htdocs/manual/mod/core.html,v
retrieving revision 1.1.1.4
diff -u -r1.1.1.4 core.html
--- core.html   1999/03/26 12:00:34     1.1.1.4
+++ core.html   1999/06/07 13:11:45
@@ -3072,8 +3072,7 @@
 <A HREF="directive-dict.html#Default" REL="Help">
 <STRONG>Default:</STRONG></A> <CODE>UseCanonicalName on</CODE><BR>
 <A HREF="directive-dict.html#Context" REL="Help">
-<STRONG>Context:</STRONG></A> server config, virtual host, directory, .htaccess
-<BR>
+<STRONG>Context:</STRONG></A> server config, virtual host<BR>
 <A HREF="directive-dict.html#Override" REL="Help">
 <STRONG>Override:</STRONG></A> Options<BR>
 <A HREF="directive-dict.html#Compatibility" REL="Help">
@@ -3107,6 +3106,12 @@
 for <CODE>www</CODE> and once again for <CODE>www.domain.com</CODE>).
 But if <CODE>UseCanonicalName</CODE> is set off, then Apache will redirect
 to <CODE>http://www/splat/</CODE>.
+
+<P>There is a third option, <CODE>UseCanonicalName DNS</CODE>, which
+is intended for use with mass IP-based virtual hosting to support
+ancient clients that do not provide a <CODE>Host:</CODE> header. With
+this option Apache does a reverse DNS lookup on the server IP address
+that the client connected to in order to work out self-referential URLs.

 <P><STRONG>Warning:</STRONG> if CGIs make assumptions about the values
of
 <CODE>SERVER_NAME</CODE> they may be broken by this option.  The client

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