Preventing Image Hotlinks With Apache Configuration Files

27 10 2006

As always, this is more a reminder to me than a ‘How-To’ - For ages I’d been meaning to stop certian sites from embedding images from my servers directly into their pages but I kept forgetting and also didn’t know exactly how to stop it. I found the time and inclination last night and turned to the apache manual…

<FilesMatch ".(gif|jpg|png)">
	SetEnvIfNoCase Referer "my.domain.co.uk/" local_ref=1
	Order Allow,Deny
	Allow from env=local_ref
</FilesMatch>

Pretty simple huh?
As I’m sure you can work out, if you have multiple domains all pointing at the same space you just need to add more regular expressions:

SetEnvIfNoCase Referer "my.domain.co.uk/" local_ref=1
SetEnvIfNoCase Referer "my.domain.com/" local_ref=1
(...etc)

References

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Categories : Apache