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From "Andrew Kenna" <andr...@stamina.com.au>
Subject RE: [users@httpd] how do I prevent sites from hijacking my images?
Date Wed, 06 Nov 2002 04:59:54 GMT
There was an article on www.apacheweek.com a while back explaining how .htaccess can prevent
this.

Andrew


-----Original Message-----
From: Chris Taylor [mailto:chris@x-bb.org] 
Sent: Wednesday, 6 November 2002 3:51 PM
To: users@httpd.apache.org
Subject: Re: [users@httpd] how do I prevent sites from hijacking my images?


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It seems that you're missing the point, the problem is that external sites are linking these
images as if they were there own, which is essentially bandwidth theft. The way to stop this
is to use mod_rewrite (as in my previous post). Although the odd client saving the image to
their hard drive may be a nuisance, it's not really the issue, so all of these client side
efforts (JS for instance) aren't what's required.

Andrew's idea (below) is essentially the implementation of the mod_rewrite solution: a .htaccess
file, but in the end it's the same solution.

I hope that clears it up.

Chris Taylor - chris@x-bb.org - The guy with the PS2 WebServer - http://www.x-bb.org/chris.asc

- ----- Original Message ----- 
From: "Andrew Kenna" <andrewk@stamina.com.au>
To: <users@httpd.apache.org>
Sent: Wednesday, November 06, 2002 4:46 AM
Subject: RE: [users@httpd] how do I prevent sites from hijacking my images?


Create a little javascript thing that displays the image, disable right click on that particular
web page and put a restriction on the directory that stores the images with a .htaccess file
and say that the only refferer can be the actual page the images are linked to.

The above may work

Andrew


- -----Original Message-----
From: Saqib.N.Ali@seagate.com [mailto:Saqib.N.Ali@seagate.com] 
Sent: Wednesday, 6 November 2002 3:41 PM
To: users@httpd.apache.org
Subject: RE: [users@httpd] how do I prevent sites from hijacking my images?



But you can still "right click" and do a 'save picture as'.. am i wrong? In Peace, Saqib Ali
http://www.sc-icc.org:8080/cocoon/mount/docbook/

"I fear, if I rebel against my Lord, the retribution of an Awful Day (The Day of Resurrection)"
Al-Quran 6:15

               (Embedded image moved to file: pic27644.jpg)


                                                                     
                                                            
                    daniel                                           
                                                            
                    <daniel@electro        To:    
Saqib.N.Ali@seagate.com, users <users@httpd.apache.org>              
         
                    teque.org>             cc:                       
                                                            
                    No Phone Info          Subject:     RE:
[users@httpd] how do I prevent sites from hijacking my images?       
                    Available                                        
                                                            
                                                                     
                                                            
                    11/05/2002                                       
                                                            
                    07:34 PM                                         
                                                            
                    Please respond                                   
                                                            
                    to users                                         
                                                            
                                                                     
                                                            
                                                                     
                                                            




header output your image using gd in php

then load the image like <img src="image.php?filename=bollox.jpg">

>===== Original Message From Saqib.N.Ali@seagate.com =====
>I agree that there is no way to protect the images from being stolen.  
>But there are ways to deter people from easily stealing the image. For  
>e.g. about 3 years back I wrote a Java Application that would parse an  
>image
and
>create HTML TABLE based representation of the image on Pixel level.
>This HTML table could be easily displayed intead of the actual
>graphic,  but people couldn't just right click and save it to their
>Local HD.  However if they really wanted to copy the image they
>would have to take  screen capture, and paste it into GIMP. This way
>they would offcourse  lose the quality.
>
>In Peace,
>Saqib Ali
>http://www.sc-icc.org:8080/cocoon/mount/docbook/
>
>"I fear, if I rebel against my Lord, the retribution of an Awful Day  
>(The Day of Resurrection)" Al-Quran 6:15
>
>               (Embedded image moved to file: pic00292.jpg)
>
>
>
>                    "Lewis
>                    Watson"              To:    
> <users@httpd.apache.org> 
>                    <lists@vision        cc:
>                    six.com>             Subject:     Re:
> [users@httpd]
how
do I prevent sites from hijacking my images?
>                    No Phone Info
>                    Available
>
>                    11/05/2002
>                    07:12 PM
>                    Please
>                    respond to
>                    users
>
>
>
>
>
>
>
>----- Original Message -----
>From: "dale's stuff" <stuff@colony.net>
>To: <users@httpd.apache.org>
>Sent: Tuesday, November 05, 2002 9:06 PM
>Subject: [users@httpd] how do I prevent sites from hijacking my images?
>
>
>> Hello,
>>
>> I was just processing my logs and have found that once again some
>> scum
>are
>> stealing some images from my site and linking directly to them.
>>
>> I am running apache 1.3.2x on RH Linux 7.1. I would like to be able  
>> to serve a different image to these scum to get the point across that  
>> they
>can'
>> t be stealing my images -kind of like what angelfire and so forth do.
>>
>> any suggestions?
>>
>> Thanks
>>
>> Dale
>>
>
>Hi Dale.
>There are things you can do to prevent them from linking to them (See  
>the links below), but to keep them from pulling them off your site and  
>using them? Nothing. You are offering the graphics over a public
>network. There are ways to slow some people up or making it a tad
>more  difficult but in the end there is no way to prevent someone
>from 
>pulling what your server is giving out.
>
>http://www.bignosebird.com/apache/a16.shtml
>http://httpd.apache.org/docs/misc/FAQ.html#image-theft
>
>hope this helps,
>Lewis
>
>
>
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