slive 00/10/05 17:56:51
Modified: htdocs/manual/mod core.html
Log:
Be a little more explicit about the consequences of
ErrorDocument xxx http://....
Revision Changes Path
1.173 +11 -5 httpd-docs-2.0/htdocs/manual/mod/core.html
Index: core.html
===================================================================
RCS file: /home/cvs/httpd-docs-2.0/htdocs/manual/mod/core.html,v
retrieving revision 1.172
retrieving revision 1.173
diff -u -r1.172 -r1.173
--- core.html 2000/09/15 19:13:42 1.172
+++ core.html 2000/10/06 00:56:48 1.173
@@ -837,12 +837,18 @@
<P>Note that when you specify an <CODE>ErrorDocument</CODE> that
points to a remote URL (ie. anything with a method such as "http" in
-front of it) Apache will send a redirect to the client to tell it
+front of it), Apache will send a redirect to the client to tell it
where to find the document, even if the document ends up being on the
-same server. This has several implications, the most important being
-that <STRONG>if you use an "ErrorDocument 401" directive then it must
-refer to a local document.</STRONG> This results from the nature of
-the HTTP basic authentication scheme.
+same server. This has several implications, the most important being
+that the client will not receive the original error status code, but
+instead will receive a redirect status code. This in turn can confuse
+web robots and other clients which try to determine if a URL is valid
+using the status code. In addition, if you use a remote URL in an
+<code>ErrorDocument 401</code>, the client will not know to prompt the
+user for a password since it will not receive the 401 status
+code. Therefore, <STRONG>if you use an "ErrorDocument 401" directive
+then it must refer to a local document.</STRONG>
+
<P>Prior to version 2.0, messages were indicated by prefixing them
with a single unmatched double quote character.
Modified: htdocs/manual/mod core.html
Log:
Be a little more explicit about the consequences of
ErrorDocument xxx http://....
Revision Changes Path
1.173 +11 -5 httpd-docs-2.0/htdocs/manual/mod/core.html
Index: core.html
===================================================================
RCS file: /home/cvs/httpd-docs-2.0/htdocs/manual/mod/core.html,v
retrieving revision 1.172
retrieving revision 1.173
diff -u -r1.172 -r1.173
--- core.html 2000/09/15 19:13:42 1.172
+++ core.html 2000/10/06 00:56:48 1.173
@@ -837,12 +837,18 @@
<P>Note that when you specify an <CODE>ErrorDocument</CODE> that
points to a remote URL (ie. anything with a method such as "http" in
-front of it) Apache will send a redirect to the client to tell it
+front of it), Apache will send a redirect to the client to tell it
where to find the document, even if the document ends up being on the
-same server. This has several implications, the most important being
-that <STRONG>if you use an "ErrorDocument 401" directive then it must
-refer to a local document.</STRONG> This results from the nature of
-the HTTP basic authentication scheme.
+same server. This has several implications, the most important being
+that the client will not receive the original error status code, but
+instead will receive a redirect status code. This in turn can confuse
+web robots and other clients which try to determine if a URL is valid
+using the status code. In addition, if you use a remote URL in an
+<code>ErrorDocument 401</code>, the client will not know to prompt the
+user for a password since it will not receive the 401 status
+code. Therefore, <STRONG>if you use an "ErrorDocument 401" directive
+then it must refer to a local document.</STRONG>
+
<P>Prior to version 2.0, messages were indicated by prefixing them
with a single unmatched double quote character.