Would you like to learn how to prevent image hotlinking on the IIS server? In this tutorial, we are going to configure the IIS server to block image hotlinking on your website.

• Windows 2012 R2
• Windows 2016
• Windows 2019

In our example, the IIS server is hosting the website WWW.GAMEKING.TIPS.

Equipment list

The following section presents the list of equipment used to create this tutorial.

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Tutorial IIS – Change the server identification header

Access the URL REWRITE website and download the installation package.

IIS URL REWRITE DOWNLOAD

Perform the URL REWRITE installation.

URL REWRITE INSTALLATION

Start the application named: IIS Manager.

Start IIS Windows

On the IIS Manager application, select your website.

On the right part of the screen, access the option named: URL Rewrite.

IIS - URL REWRITE - WEBSITE

On the top right part of the screen, click on the Add Rule option.

IIS URL REWRITE - ADD

On the inbound rules, create a new blank rule.

URL REWRITE BLANK RULE

To prevent image hotlinking, use the following configuration:

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Here is our configuration.

IIS - prevent Hotlinking

On the Conditions area, click on the Add button and use the following configuration:

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Change the pattern configuration to your website.

Click on the OK button.

IIS - Hotlinking prevention

On the Conditions area, click on the Add button and use the following configuration:

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Click on the OK button.

IIS - Hotlinking allow direct access

As an example, here is our conditions summary.

IIS Hotlinking - Condition summary

On the Action area, configure a custom error to forbid the request.

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On the top-right part of the screen, click on the Apply option

IIS - Deny hotlinking

In our example, the IIS server will forbid hotlinking to images on our website.

In our example, the IIS server will allow direct access to images on our website.

From a remote Linux computer, try to perform hotlinking to an image.

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Here is the command output.

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The IIS server will forbid hotlinking to images on our website.

From a remote Linux computer, try to perform direct access to an image.

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Here is the command output.

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The IIS server will allow direct access to images on our website.

Congratulation! You configured the IIS server to block image hotlinking.