The system hosts file requires administrator or root privileges to modify. Follow the exact steps for your operating system. Windows Instructions
IT administrators use block lists in sandbox environments to simulate offline deployment scenarios. Comprehensive Adobe Hosts Block List
This article is for educational purposes. Modifying the hosts file may violate Adobe’s Terms of Service. Use this information to understand your system’s traffic; we do not condone software piracy.
Below is a comprehensive list of domains used by Creative Cloud applications for telemetry, tracking, notifications, and verification.
# === AKAMAI PROXIES (Disguised Traffic) === 127.0.0.1 adobe.edgekey.net 127.0.0.1 www.adobe.edgekey.net 127.0.0.1 ldap.adobe.com.edgekey.net adobe hosts file block list exclusive
Beyond the obvious goal of eliminating activation warnings, blocking Adobe's server communications offers several advantages:
: Paste the exclusive block list at the bottom of the file. Each entry should be on its own line.
: In the hosts file, the asterisk ( * ) wildcard is not supported. To block all subdomains of a domain like *.licenses.adobe.com , you must individually list each known subdomain or rely on your operating system's primary DNS resolver to handle wildcard blocking via Pi-hole or a similar DNS filter.
Adobe Hosts File Block List Exclusive: The Ultimate Guide to Connection Management The system hosts file requires administrator or root
127.0.0.1 lmlicenses.wip4.adobe.com 127.0.0.1 lm.licenses.adobe.com 127.0.0.1 na1r.services.adobe.com 127.0.0.1 hlrcv.stage.adobe.com 127.0.0.1 practivate.adobe.com 127.0.0.1 activate.adobe.com 127.0.0.1 adobe.licensing98723.activate.com
127.0.0.1 assets.adobedtm.com 127.0.0.1 adobecorp.data.adobedc.net 127.0.0.1 aepxlg.adobe.com 127.0.0.1 hbrt.adobe.com
: Paste the list above at the very bottom of the file and save. : Open your command prompt/terminal and run ipconfig /flushdns (Windows) or
In production environments, sudden automatic updates can break plugin compatibility or alter user interfaces mid-project. Blocking update servers allows IT departments to test and deploy updates on their own schedule. The Exclusive Adobe Hosts File Block List Comprehensive Adobe Hosts Block List This article is
Adobe is fully aware of hosts file blocking and has taken steps to thwart it. Some reports indicate that newer versions of Creative Cloud actively to remove blocking entries. This has led to a "cat-and-mouse" game where users must continuously update their block lists to stay ahead of Adobe's countermeasures. Dynamic domains used for activation, such as those ending in .adobe.io that change periodically, make it extremely difficult to block them permanently.
Given Adobe's active attempts to circumvent this method, you should aim to update your list at least once a month . Check the primary community repositories (like the ones linked in Part 7) for new domains or structural changes. The community tools mentioned earlier often simplify this process.
To help refine this setup for your specific workstation, let me know: What are you currently running?