Helicon Tech: Ignore certain folders for hot link rule

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Topic: Ignore certain folders for hot link rule

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canadaka
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Posted: 03 July 2008 at 10:41pm \| IP Logged

I had a rule in ISAPI_Rewrite2 that allowed me to exclude certain folders from the hot linkingg blockage rule, but i'm unsure how to do this in version 3.

THis is the rule I am using, that works to block all images.

RewriteCond %{HTTP:Host}#%{HTTP:Referer} ^([^#]+)#(?!http://\1).+
RewriteRule .*\.(?:gif|jpg|png|swf|flv) /images/hotlinking.png [NC]

I also would like to know how to allow certain domains to hotlink an image even outside the ignored folders.

Vyacheslav
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Posted: 04 July 2008 at 4:44am \| IP Logged

Hi canadaka!

You can use different .htaccess files for different folders. So everyone .htaccess file apply rules to folder, where it placed (and subfolders also).

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Kind regards!
Vyacheslav Shinkarenko, HeliconTech.

Anton
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Posted: 04 July 2008 at 4:44am \| IP Logged

Please try the following rule:

RewriteCond %{HTTP:Host}#%{HTTP:Referer} ^([^#]+)#(?!http://\1).+
RewriteRule (?!excludefolder1|excludefolder2).*\.(?:gif|jpg|png|swf|flv) /images/hotlinking.png [NC]

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Anton

canadaka
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Posted: 04 July 2008 at 9:16pm \| IP Logged

thanks for the response!

Now I need the 2nd part of my inquery, how to permit hot linking to certain domains.

Anton
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Posted: 07 July 2008 at 2:48am \| IP Logged

Provided rule does allow hot linking for excludefolder1 and excludefolder2.
If you need to allow it for some domains, the rule will be:
RewriteCond %{HTTP:Host}#%{HTTP:Referer} ^(?!excludedomain1|excludedomain2)([^#]+)#(?!http://\1).+
RewriteRule ^.*\.(?:gif|jpg|png|swf|flv)$ /images/hotlinking.png [NC]

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Anton

canadaka
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Posted: 07 July 2008 at 4:44pm \| IP Logged

the rule with excludedomain1 doens't seem to work, the images are still being blocked even after a restart of IIS.

RewriteCond %{HTTP:Host}#%{HTTP:Referer} ^(?!domain1.com|domain2.com)([^#]+)#(?!http://\1).+

Anton
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Posted: 08 July 2008 at 3:54am \| IP Logged

Please try the following config:

RewriteCond %{HTTP_HOST} ^(?!(?:www\.)?(?:domain1\.com|domain2\.com)).+$ [NC]
RewriteCond %{HTTP_HOST}#%{HTTP_REFERER} ^([^#]+)#(?!http://\1).+
RewriteRule ^.*\.(?:gif|jpg|png|swf|flv)$ /images/hotlinking.png [NC]

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Anton

canadaka
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Posted: 08 July 2008 at 9:38pm \| IP Logged

hmm that doens't work either, the images are still being blocked.

RewriteCond %{HTTP_HOST} ^(?!(?:www\.)?(?:3dvixens\.com|virtuallyjenna\.com|hustler3d\.com)).+$ [NC]
RewriteCond %{HTTP_HOST}#%{HTTP_REFERER} ^([^#]+)#(?!http://\1).+
RewriteRule ^.*\.(?:gif|jpg|png|swf|flv)$ /images/hotlinking.png [NC]

used the excludefolder doens't work either, images are still blocked.

RewriteRule (?!images/news/thumbs).*\.(?:gif|jpg|png|swf|flv) /images/hotlinking.png [NC]

(WARNING NSFW!)
The source images are on gamerotica.com and they're being loaded in an RSS feed on virtuallyjenna.com/news.php

I really need this figured out, I am going to be upgrading another server which is running the older ISAPI_Rereite 2 to the new 3 version and will need rules like this for that server as well. I have a rule that works fine in version 2 for allowing certain domains and excluding certain folders.

Thanks for the help!

Anton
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Posted: 09 July 2008 at 5:12am \| IP Logged

Please try the following config:

RewriteBase /

RewriteCond %{HTTP_HOST} ^(?!(?:www\.)?(?:3dvixens\.com|virtuallyjenna\.com|hustler3d\.com)).+$ [NC]
RewriteCond %{HTTP_HOST}#%{HTTP_REFERER} ^([^#]+)#(?!http://\1).+
RewriteRule ^(?!images/news/thumbs).*\.(?:gif|jpg|png|swf|flv)$ /images/hotlinking.png [NC]

And if it doesn't work, please provide rewrite log records for the specific request.

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Anton

canadaka
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Posted: 10 July 2008 at 3:29pm \| IP Logged

thanks a lot, that seemed to have done the trick!

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