A good article about .htaccess files

Konrad wrote:

 > RewriteCond %{HTTP_REFERER} badsite1\..*com [NC]
 > that is, any website url beginning with badsite1, is that correct?

No, way off.

"badsite1\..*.com" means addresses that start with "badsite1." and then
at least one more character and then "com".

So it won't even match "badsite1.com".

You want:

  badsite1\.com/.*

but that isn't needed, because RewriteCond looks at substrings, so the
original "badsite1\.com" will do.

--
Toby A Inkster BSc (Hons) ARCS
Contact Me ~ <a style='text-decoration: underline;' href="http://tobyinkster.co.uk/contact" target="_blank">http://tobyinkster.co.uk/contact</a><!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: A good article about .htaccess files 

Konrad wrote:

 > Hello everyone, forgive me my English.
 >
 > I try to find a good tutorial\article about writing htacces file, but I
 > failed. I found a lot of websites talking about how to solve a given
 > problem, but nothing about what those commands mean. Do you know something?
 >
 > Right now I want to exclude certain website from reading images from my
 > own websites (I already wrote about it), can someone tell me if this is
 > correct (in .htaccess file):
 >
 > RewriteEngine On
 > RewriteCond %{REQUEST_FILENAME} .*jpg$|.*gif$|.*png$ [NC]
 > RewriteCond %{HTTP_REFERER} badsite1\.com [NC]
 > RewriteCond %{HTTP_REFERER} badsite2\.com [NC]
 > RewriteRule (.*) /goaway.html
 >
 > What I want is that the badsite1.com and badsite2.com can't get my
 > images, instead they will be redirected to the goaway.html file, which
 > would be empty, is that ok?
 >
 > And what about badsite1.com/subpage, will this work too, or should I
 > rather use something like:
 > RewriteCond %{HTTP_REFERER} badsite1\..*com [NC]
 >
 > that is, any website url beginning with badsite1, is that correct?
 >
 > I'd be very gratefull for your help.
 >

Thank you both!

--
Konrad Papala
<a style='text-decoration: underline;' href="http://www.konradp.com" target="_blank">www.konradp.com</a><!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: A good article about .htaccess files 

this post is not archived.
 >> Stay informed about: A good article about .htaccess files 

Richard wrote:

 > Most confusing. You first say it's wrong, then show what's right, then say
 > what's wrong is ok because of the other command.

No. The OP gave two examples.

The frst was sufficient for his needs.

The second example he gave was an attempt to improve what he had, but it
waouldn't have worked.

So I corrected the second example, but mentioned that the first would do
what he needed.

--
Toby A Inkster BSc (Hons) ARCS
Contact Me ~ <a style='text-decoration: underline;' href="http://tobyinkster.co.uk/contact" target="_blank">http://tobyinkster.co.uk/contact</a><!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: A good article about .htaccess files 

Richard wrote:

 > My idea though, would be to redirect the site to whitehousesex.com

Theoretically, how would you do that then?

I would include this on my page:

  <img src="http://somestuff.batcave.net/somefile.gif" alt="Some file">

what would you do your end? I'd really like to know how you think you're
going to redirect my visitors to that website.

--
Toby A Inkster BSc (Hons) ARCS
Contact Me ~ <a style='text-decoration: underline;' href="http://tobyinkster.co.uk/contact" target="_blank">http://tobyinkster.co.uk/contact</a><!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: A good article about .htaccess files 

Konrad wrote:

 > Hello everyone, forgive me my English.
 >
 > I try to find a good tutorial\article about writing htacces file, but I
 > failed. I found a lot of websites talking about how to solve a given
 > problem, but nothing about what those commands mean. Do you know something?
 >
 > Right now I want to exclude certain website from reading images from my
 > own websites (I already wrote about it), can someone tell me if this is
 > correct (in .htaccess file):
 >
 > RewriteEngine On
 > RewriteCond %{REQUEST_FILENAME} .*jpg$|.*gif$|.*png$ [NC]
 > RewriteCond %{HTTP_REFERER} badsite1\.com [NC]
 > RewriteCond %{HTTP_REFERER} badsite2\.com [NC]
 > RewriteRule (.*) /goaway.html
 >
 > What I want is that the badsite1.com and badsite2.com can't get my
 > images, instead they will be redirected to the goaway.html file, which
 > would be empty, is that ok?
 >
 > And what about badsite1.com/subpage, will this work too, or should I
 > rather use something like:
 > RewriteCond %{HTTP_REFERER} badsite1\..*com [NC]
 >
 > that is, any website url beginning with badsite1, is that correct?
 >
 > I'd be very gratefull for your help.
 >

I finally found out how to do that. For everybody interested:

The above aproach could not work, because the default operator between
RewriteCond's is AND, and what we need is OR. So here it is:

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} .*jpg$|.*gif$|.*png$ [NC]
RewriteCond %{HTTP_REFERER} badsite1\.net [NC,OR]
RewriteCond %{HTTP_REFERER} badsite2\.org [NC,OR]
RewriteCond %{HTTP_REFERER} badsite3\.org [NC]
RewriteRule .* - [F]

Now, if any above website try to load our images, they fail ([F]).

Of course, if we want to exclude every referer except for choosen ones
this is better:

RewriteEngine On
RewriteCond %{REQUEST_FILENAME} .*jpg$|.*gif$|.*png$ [NC]
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !ok_site1\.com [NC]
RewriteCond %{HTTP_REFERER} !ok_site2\.com [NC]
RewriteRule .* - [F]

Now every page except for those two, as well as an empty referer, will fail.

To send another image, instead of FAIL, we can use this:
RewriteRule .* other_image.gif

By the way - I was testing also:
RewriteRule .* /other_image.gif

But it did not work.

Thanks for your help.

--
Konrad Papala
<a style='text-decoration: underline;' href="http://www.konradp.com" target="_blank">www.konradp.com</a><!-- ~MESSAGE_AFTER~ -->
 >> Stay informed about: A good article about .htaccess files