Hotlinking Via Java

cd34 · 2009-03-27, 04:53 PM

Rather interesting method to display, but, if you block the non-referral traffic, you might block legitimate requests (including google's image bots) from seeing your images.

You might do it to those specific directories as you see them hotlinked, however, since they aren't sending referrers, I can't begin to imagine how you found it.

nate · 2009-03-27, 05:44 PM

I specifically allow google et al carte blance. I also specifically allow thumbs. For those following along, the first is commented out - thats the entry that allows empty referrers. The next 5 lines include the "!" statement, which says we dont want to apply the "RewriteRule" at the bottom to them. The "REQUEST_URI" lines specifically allow certain files, the hotlink.jpg and some thumbnails. The last line is the RewriteRule that happens to those that don't fit the list.

Note that this is a deep and fairly specific subdirectory. My main .htaccess doesnt have the blank referer commented out... none of the sites linked from GG or the other big names are affected. I don't want to risk pissing them off by fucking with their surfers.

#RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !google\. [NC]
RewriteCond %{HTTP_REFERER} !search\?q=cache [NC]
RewriteCond %{HTTP_REFERER} !msn\. [NC]
RewriteCond %{HTTP_REFERER} !yahoo\. [NC]
RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?my-domain.com [NC]
RewriteCond %{REQUEST_URI} !^/hotlink\.jpg$
RewriteCond %{REQUEST_URI} !^/(.*)120120\.jpg$
RewriteCond %{REQUEST_URI} !^/(.*)90120\.jpg$
RewriteCond %{REQUEST_URI} !^/(.*)9090\.jpg$
RewriteCond %{REQUEST_URI} !^/(.*)tn_(.*)\.jpg$
RewriteRule \.(jpg|jpeg|png|gif)$ /hotlink.jpg [NC,R,L]

I toyed with this idea but thought it was a little sleasy

#RewriteCond %{HTTP:Accept-Language} (ru) [NC]
#RewriteRule .* http://my-affiliate-link [R,L]

That redirects everyone using the russian language in their browser to a paysite. I figured that was painting too broad and punishing the many for the sins of the few and commented it out. I left it in but deactivated because I might someday write a site for russian (or japanese or korean or whatever) language specifically, and I have a ready made example for redirecting them to the right place.

nate · 2009-03-27, 06:20 PM

[quote=since they aren't sending referrers, I can't begin to imagine how you found it.

[/QUOTE]

Now thats a good question. I've emailed my host to see what their opinion is. It might be from people saving images via the right click method since at that point the image is embedded in his page.

2009-03-27, 04:53 PM	#1
cd34 a.k.a. Sparky Join Date: Sep 2004 Location: West Palm Beach, FL, USA Posts: 2,396	Rather interesting method to display, but, if you block the non-referral traffic, you might block legitimate requests (including google's image bots) from seeing your images. You might do it to those specific directories as you see them hotlinked, however, since they aren't sending referrers, I can't begin to imagine how you found it. __________________ SnapReplay.com a different way to share photos - iPhone & Android

2009-03-27, 05:44 PM	#2
nate I can now put whatever you want in this space :) Join Date: Mar 2009 Location: Merica! Posts: 543	I specifically allow google et al carte blance. I also specifically allow thumbs. For those following along, the first is commented out - thats the entry that allows empty referrers. The next 5 lines include the "!" statement, which says we dont want to apply the "RewriteRule" at the bottom to them. The "REQUEST_URI" lines specifically allow certain files, the hotlink.jpg and some thumbnails. The last line is the RewriteRule that happens to those that don't fit the list. Note that this is a deep and fairly specific subdirectory. My main .htaccess doesnt have the blank referer commented out... none of the sites linked from GG or the other big names are affected. I don't want to risk pissing them off by fucking with their surfers. #RewriteCond %{HTTP_REFERER} !^$ RewriteCond %{HTTP_REFERER} !google\. [NC] RewriteCond %{HTTP_REFERER} !search\?q=cache [NC] RewriteCond %{HTTP_REFERER} !msn\. [NC] RewriteCond %{HTTP_REFERER} !yahoo\. [NC] RewriteCond %{HTTP_REFERER} !^http(s)?://(www\.)?my-domain.com [NC] RewriteCond %{REQUEST_URI} !^/hotlink\.jpg$ RewriteCond %{REQUEST_URI} !^/(.)120120\.jpg$ RewriteCond %{REQUEST_URI} !^/(.)90120\.jpg$ RewriteCond %{REQUEST_URI} !^/(.)9090\.jpg$ RewriteCond %{REQUEST_URI} !^/(.)tn_(.)\.jpg$ RewriteRule \.(jpg\|jpeg\|png\|gif)$ /hotlink.jpg [NC,R,L] I toyed with this idea but thought it was a little sleasy #RewriteCond %{HTTP:Accept-Language} (ru) [NC] #RewriteRule . http://my-affiliate-link [R,L] That redirects everyone using the russian language in their browser to a paysite. I figured that was painting too broad and punishing the many for the sins of the few and commented it out. I left it in but deactivated because I might someday write a site for russian (or japanese or korean or whatever) language specifically, and I have a ready made example for redirecting them to the right place.

2009-03-27, 06:20 PM	#3
nate I can now put whatever you want in this space :) Join Date: Mar 2009 Location: Merica! Posts: 543	[quote=since they aren't sending referrers, I can't begin to imagine how you found it. [/QUOTE] Now thats a good question. I've emailed my host to see what their opinion is. It might be from people saving images via the right click method since at that point the image is embedded in his page.