وارد پنل هاست بشید.
توی کادر وب: آپاچی.
hotlink protection
فعال کنید و دومین های مجاز رو وارد کنید.
---------- Post added at 03:00 PM ---------- Previous post was at 02:58 PM ----------
توی ریدارکت هم میتونید تصویر جایگزین رو وارد کنید تا یه تبلیغی هم بشه 
---------- Post added at 03:02 PM ---------- Previous post was at 03:00 PM ----------
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Your domain and subdomains will automatically have access to the images, and you don't have to add them specifically. a *.domain.com is automatically added to the list of allowed domains you supply here. The redirect to image has to be a path to the image inside your domain, and NOT a full url. It should be of the form (/img/noaccess.gif). You have to enter domains as simple names without any wild-characters. For example, domain.com, mydomain.com, mysdomain.com