Technical Tip: Blocking Chat GPT

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Article Id 255020

Description

This article describes how to block ChatGPT using an application signature.

Scope

FortiGate.

Solution

Prerequisites:

The application control database has been updated recently (to make sure the signature is present).
A firewall policy in proxy-mode (as a general need for Application Control).
Deep-inspection is enabled.

Follow the instructions in Technical Tip : How To Upgrade Application Control Definitions Manually to check the version.

Next, navigate to Application Control under security profiles.

Create a new application and filter override:

Search for the openAI signature.

Select the signature and then choose the action (Block). Select Add Selected once done.

After completing the steps above, use the application control on policy. This will block the ChatGPT applications.

To block the browsing, create one static URL filter under the web filter to block the Chat GPT wildcard and use the same web filter on the policy as mentioned above.

The following is the result when a user attempts to access OpenAI applications:

17887

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