Scroll to the bottom and paste the entries listed above.

While the hosts file is highly effective, modern Adobe applications use multiple processes running in the background. For the best results, combine hosts blocking with the following:

Then, open Adobe Photoshop or Premiere. Go to Help > System Info . Scroll down—if you see License: Valid but network requests fail, you’ve succeeded.

Some modern creative suites will crash or hang indefinitely if they cannot reach their home servers. If you experience performance degradation or frozen splash screens, consider these adjustments:

Type the following command and press Enter: sudo nano /etc/hosts 4. Authenticate

For users who find the hosts file too technical or easily bypassed, a firewall like provides granular control. You can set a global rule to deny all outgoing connections for any process containing "Adobe" in its name. This acts as a safety net if Adobe introduces a new server not listed in your hosts file.

Blocking Adobe activation servers on macOS via the hosts file is a common method to prevent software from "phoning home" for license verification or analytics tracking. This report details the necessary entries and the correct procedure for macOS. Key Adobe Activation & Analytics Domains

Type your Mac’s login password. Note that Terminal will not show characters or asterisks as you type for security reasons. Press Enter.

Modifying your Mac's hosts file can effectively block Adobe's background activation checks by redirecting those requests back to your own machine (localhost). While many legacy lists exist, the most effective entries for 2024–2026 focus on licensing and the "Genuine Integrity Service".