Hi
I need to configure my Apache web server to redirect an incoming request if
it¹s not from a specific web site. I¹ve been trying unsuccessfully to use the
HTTP_REFERER to do this. Most of the discussion I¹ve found about this
involves the prevention of hotlinking. My webserver a RHEL5 box running RHEL5
Apache 2.2.3.
This is what I want to do:
Request from www.foo.com<http://www.foo.com> goes to the web site.
Request from anyone else gets an html page that essentially says you
have to be registered to access the web site.
Here is the original VirtualHost definition:
<VirtualHost *:80>
RewriteEngine on
RewriteRule ^/$ /training/who/cgi-bin/login [R]
ServerName example.org
DocumentRoot /apps/example/training/www/Root/who
ScriptAlias /training/who/cgi-bin/
"/apps/example/training/www/Root/who/cgi-bin/"
ScriptAlias /training/cgi-bin/
"/apps/example/training/www/Root/who/cgi-bin/"
Alias /training "/apps/example/training/www/Root"
<Directory "/apps/example/training/www/">
AllowOverride All
Options +FollowSymlinks +Indexes
Order allow,deny
Allow from all
</Directory>
</VirtualHost>
Here is one example of the syntax I¹ve tried. This displays the Apache default
web page. The error message in the log file is Directory index forbidden by
Options directive.
<VirtualHost *:80>
RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://www.foo.com [NC]
RewriteRule ^(.*)$ http://example.org/training/who/redirect.html [L]
RewriteCond %{HTTP_REFERER} http://www.foo.com [NC]
RewriteRule ^/$ /training/who/cgi-bin/login [R]
This next syntax results in getting to the application login page instead of
getting the redirect.html page displayed.
<VirtualHost *:80>
RewriteEngine on
RewriteCond %{HTTP_REFERER} .
RewriteCond %{HTTP_REFERER} !.*www.foo.com [NC]
RewriteRule ^(.*)$ http://example.org/training/who/redirect.html
RewriteCond %{HTTP_REFERER} .
RewriteCond %{HTTP_REFERER} http://www.foo.com [NC]
RewriteRule ^/$ /training/who/cgi-bin/login [R]
This also skips the redirect, and goes to the login page, without graphics:
<VirtualHost *:80>
RewriteEngine on
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://www\.foo\.com/.*$ [NC]
RewriteRule \.*$ http://example.org/training/who/redirect.html [R=301,L]
RewriteRule ^/$ /training/who/cgi-bin/login [R]
Any help is appreciated.
Thank you.
Cathy
---
Cathy L. Smith
IT Engineer
Pacific Northwest National Laboratory
Operated by Battelle for the
U.S. Department of Energy
Phone: 509.375.2687
Fax: 509.375.2330
Email: [email protected]
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