Ke圜DN for example has a feature called Zone Referrers, which allows users to restrict HTTP referrers. Hotlink protection with a CDNĬertain CDNs also provide hotlink protection for their users. With this tool, simply define the allowed domains, wether you want to allow blank referrers or not, and the file extensions you want to protect. htaccess file with the hotlink protection setting of your choice. (gif|png|jpe?g)$ unwanteddomain2\.comĪdditionally, you can use a hotlink protection tool to generate an. Any website that is not defined in the snippet below will receive a 403 error upon trying to refer your assets. This must always include your website domain as well as any other domains which require access. The next line defines which websites are allowed to link to these file types. The first line of the following Nginx snippet defines which file extensions are protected from hotlinking.
#DROPLR HOTLINKING HOW TO#
The following sections shows how to achieve this protection both with Nginx and Apache. This allows only specific referrers to access your assets. If an image on your website is being referenced somewhere else, thus consuming your bandwidth, you can implement hotlink protection.
the owner has given you permission or the asset is part of a creative commons license). In both cases, ensure that you have the proper authority to use someone else's assets (e.g. An image hosting service such as imgur for example will allow you to upload your image and link to it directly within your website or any other location. Using images as an example again, if you find an image that you want to link to but don't have a server to upload it to, you can use a third party host. Doing this will also increase the delivery speed of the asset as the browser does not need to perform an additional DNS lookup. If you have found an image from another website and you would like to use it on your own website, you can upload the image directly to your server and deliver it from there. The following are a couple of solutions for avoiding hotlinking. Doing so helps ensure that the original owner of the asset won't incur unnecessary charges and that the asset that you link to won't be unaccessible given that the owner implements hotlink protection or removes the asset. How to avoid hotlinkingĪs a website user you should always try to avoid hotlinking assets from other websites. This article will highlight ways you can avoid hotlinking another website's assets if you are a web user and how to protect against hotlinking if you are a website owner. Hotlinking someone's website assets can vastly increase their hosting costs. They would be instead using website A's domain: Therefore, instead of linking to the image via their own domain such as: However, instead of downloading the image and hosting it on his own server, the owner of website B links directly to website A's domain. The owner of website B sees that image and decides he wants it featured on his website as well. For example, let's say the owner of website A is hosting a particular image on their server. Hotlinking is known as the act of stealing someone's bandwidth by linking directly to their website's assets, such as images or videos.
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