Modifying your system's hosts file can block Adobe applications from communicating with activation, tracking, and genuine-check servers. This guide explains how to update the file on Windows and macOS using current 2026 domain lists. Top Adobe Domains to Block (2026)
To block these connections, map the following domains to the non-routable address 0.0.0.0 or loopback 127.0.0.1. Core Activation & Validation: 0.0.0.0 activate.adobe.com 0.0.0.0 practivate.adobe.com 0.0.0.0 lm.licenses.adobe.com 0.0.0.0 genuine.adobe.com Adobe.io & Statistics (Modern CC Services): 0.0.0.0 adobe.io 0.0.0.0 cc-api-data.adobe.io 0.0.0.0 ic.adobe.io 0.0.0.0 adobestats.io Common Identity & Login Endpoints: 0.0.0.0 adobe-identity.com 0.0.0.0 adobelogin.com 0.0.0.0 ims-na1.adobelogin.com How to Edit the Hosts File For Windows Users
Open Notepad as Administrator: Search for Notepad, right-click it, and select Run as Administrator.
Navigate to the File: Go to File > Open and navigate to:C:\Windows\System32\drivers\etc\
Show All Files: In the bottom right of the open window, change "Text Documents (*.txt)" to All Files to see the hosts file.
Paste & Save: Paste the block list at the bottom, then save the file.
Flush DNS: Open Command Prompt and type ipconfig /flushdns to apply changes. adobe hosts file block list top
Blocking Adobe services through the file involves redirecting specific Adobe domains to a local, non-functional IP address (like
). This is commonly used to prevent background checks, data tracking, or licensing validation Системные линии Top Adobe Block List Domains (Updated April 2026)
As of early 2026, the primary domains used by Adobe for background communication include: 0.0.0.0 lm.licenses.adobe.com 0.0.0.0 lmlicenses.wip4.adobe.com 0.0.0.0 na1r.services.adobe.com 0.0.0.0 hlrcv.stage.adobe.com 0.0.0.0 practivate.adobe.com 0.0.0.0 activate.adobe.com 0.0.0.0 genuine.adobe.com 0.0.0.0 adobe-dns.adobe.com 0.0.0.0 adobe-dns-1.adobe.com 0.0.0.0 detect-ccd.creativecloud.adobe.com (Used to verify installation status) Recommended Resources
For the most comprehensive and frequently updated lists, refer to community-maintained repositories: Adobe-URL-Block-List (GitHub)
: A curated list of over 900 records specifically for Adobe services Steven Black's Unified Hosts (GitHub)
: A massive, general-purpose block list that often includes major software tracking domains Adobe Blocklist (Reddit) Modifying your system's hosts file can block Adobe
: Provides context on specific domains and how they affect different Adobe features How to Apply the List Locate the File : On Windows, navigate to C:\Windows\System32\drivers\etc\hosts . On macOS/Linux, it is located at /etc/hosts Run as Admin
: You must open your text editor (Notepad, TextEdit, etc.) with Administrative Privileges to save changes Backup First : Always copy the original file (e.g., ) before making edits Системные линии Paste & Save
: Paste the desired entries at the bottom of the file and save. You may need to restart your browser or flush your DNS cache for changes to take effect Alternative : Some users recommend using a Windows Firewall
script to block Adobe executables entirely, as this is often more reliable than maintaining a large domain block list batch script
to automate adding these entries to your Windows hosts file? GitHub - Ruddernation-Designs/Adobe-URL-Block-List
Blocking Adobe activation and telemetry servers through the hosts file is a common method used to prevent software from verifying licenses or sending usage data back to the company. By redirecting these specific domain names to 0.0.0.0 or 127.0.0.1, your computer essentially "mutes" them locally. Core Adobe Block List (Top Domains) Note: Using 0
For the most effective block, you typically add these entries to your hosts file:
Activation Servers: Prevents the software from reaching out to verify a subscription or license. 0.0.0.0 activate.adobe.com 0.0.0.0 practivate.adobe.com 0.0.0.0 ereg.adobe.com 0.0.0.0 lm.licenses.adobe.com
Genuine Service & Integrity: Blocks the "Adobe Genuine Service" pop-ups and checks. 0.0.0.0 adobegenuine.com 0.0.0.0 genuine.adobe.com
Telemetry & Stats: Stops the app from sending "usage data" and background analytics. 0.0.0.0 adobe.io 0.0.0.0 adobestats.io 0.0.0.0 ic.adobe.io 0.0.0.0 cc-api-data.adobe.io Ruddernation-Designs/Adobe-URL-Block-List - GitHub
This guide provides a comprehensive overview of why users block Adobe hosts, how to do it, the risks involved, and the "top" entries currently used by the community.
For maximum isolation (e.g., in a sandboxed environment), add these secondary domains:
127.0.0.1 prod-rel-ffc-ccm.oobesaas.adobe.com
127.0.0.1 udm.adobe.com
127.0.0.1 udm33.adobe.com
127.0.0.1 5afe011c-8668-4086-92f3-5a25ea031c78.adobe.io
127.0.0.1 587ad2b3-5593-4563-9121-364f3bdae263.adobe.io
127.0.0.1 1hzopx6nz7.adobe.io
127.0.0.1 4429047c-470b-4cec-becd-e2c410bb778c.adobe.io
Note: Using
0.0.0.0instead of127.0.0.1is slightly faster because it doesn’t wait for a localhost timeout. All examples above work with0.0.0.0as well.
C:\Windows\System32\drivers\etc\.hosts and open it.Ctrl + S to save. If you did not run as Administrator, it will not let you save.