This article is for informational purposes only. The author does not condone software piracy or violating Terms of Service. Always respect software licensing agreements and intellectual property laws in your jurisdiction.

: Software firewalls like Little Snitch (macOS) or GlassWire (Windows) allow you to block connections on a per-application basis rather than a per-domain basis. This stops background executables without affecting your browser connections to Adobe documentation.

A hosts file is a plain text operating system file. It maps human-readable hostnames to numerical IP addresses. It acts as a local phone book for your computer's networking stack, translating domain names before your computer queries external Domain Name System (DNS) servers.

Applications like SimpleWall (free, LGPL license) or commercial options like NetLimiter and GlassWire offer more granular control over application network access than the built-in Windows Firewall, often with user-friendly graphical interfaces.

Blocking Adobe endpoints via the hosts file is a common method used to prevent software from communicating with activation, telemetry, and update servers

When discussing Adobe hosts file block lists, one resource stands above the rest: the repository maintained by Ruddernation-Designs on GitHub. This curated list of Adobe URL and IP addresses is designed specifically for blocking Adobe activation and telemetry servers via the hosts file.

The era of the Hosts file crack is over. Don’t let old tutorials on shady forums convince you otherwise. Your time—and your data—are worth far more than the $9.99 monthly fee for access to the world’s most powerful creative tools.

The hosts file is a plain-text system file that maps hostnames to IP addresses. When your computer attempts to connect to a domain name—such as activate.adobe.com —the operating system first checks the hosts file for a corresponding entry before querying a DNS server. If an entry exists, the system uses the IP address specified in the hosts file instead of performing a normal DNS lookup.

These domains handle cloud storage syncing, font distribution via Typekit, and library sharing. cc-api-data.adobe.io use.typekit.net p13n.adobe.io 3. Update Verification

Adobe background processes frequently upload and download data. Blocking these connections saves precious bandwidth on metered or limited internet connections.

While the Adobe Hosts File Block List is an effective tool against piracy, there are potential drawbacks and limitations:

. Below is a comprehensive list of domains used by current Adobe Creative Cloud (CC) applications and services as of 2024–2026. Adobe Help Center Adobe Hosts Block List

Your software will no longer receive critical security patches, bug fixes, or performance upgrades. Over time, this leaves your machine vulnerable to exploits.

A typical Adobe hosts block list contains dozens of domains that point to licensing, activation, telemetry, and genuine validation servers. The list is continuously updated as Adobe introduces new endpoints. Below is a representative table of the most important domains to block.

This article explains what a hosts file is, how it interacts with creative software, the risks of manual modification, and how to properly manage network connections. What is a Hosts File?