Create a backup schedule. The simplest approach is to keep a copy of your working hosts file in a safe location:
If an application bypasses DNS resolution by using direct IP addresses instead of domain names, hosts file entries will have no effect.
In nano:
If you need help with a specific part of this configuration, let me know: Which you are currently running If you are encountering any terminal error messages Whether you prefer a manual setup or an automated script
Adobe stores activation information locally. Even with network connections blocked, cached license data can cause issues. Periodically cleaning this data can prevent license validation popups: hosts file entries to block adobe activation mac better
::1 adobe.io ::1 ic.adobe.io ::1 b5kbg2ggog.adobe.io ::1 cc-api-data.adobe.io ::1 adobe-registration.adobe.io ::1 prod.adobegenuine.com ::1 3dns-2.adobe.com ::1 3dns-3.adobe.com ::1 activate.adobe.com ::1 activate.wip1.adobe.com ::1 activate.wip2.adobe.com ::1 activate.wip3.adobe.com ::1 activate.wip4.adobe.com ::1 adobe-dns.adobe.com ::1 adobe-dns-1.adobe.com ::1 adobe-dns-2.adobe.com ::1 adobe-dns-3.adobe.com ::1 adobe.activate.com ::1 adobeereg.com ::1 www.adobeereg.com ::1 wwis-dubc1-vip60.adobe.com ::1 ccmdl.adobe.com ::1 crl.verisign.net ::1 CRL.VERISIGN.NET ::1 ood.opsource.net ::1 practivate.adobe.com ::1 wip.adobe.com ::1 hl2rcv.adobe.com ::1 lmlicenses.wip4.adobe.com ::1 lm.licenses.adobe.com ::1 na1r.services.adobe.com ::1 na2m-pr.licenses.adobe.com ::1 license.adobe.com ::1 licenses.adobe.com ::1 na1.api.io.adobe.com ::1 prod.adobe.com ::1 udpprofiler.adobe.com ::1 vibeslive.adobe.com ::1 genuine.adobe.com ::1 guzg78logz.adobe.io ::1 adobelogin.adobe.com ::1 auth.services.adobe.com ::1 ims-na1.adobelogin.com
If you don't flush the DNS cache, your changes might appear to be ineffective for hours or until you restart your computer. Create a backup schedule
127.0.0.1 adobe-dns.com 127.0.0.1 adobe-dns-1.com 127.0.0.1 adobe-dns-2.com 127.0.0.1 adobe-dns-3.com 127.0.0.1 adobe-dns-4.com 127.0.0.1 assets.adobedtm.com 127.0.0.1 adobeereg.com
Using an outdated or incomplete list of domains is a common reason for failure. Adobe uses a vast network of subdomains for license validation and telemetry. Based on the most up-to-date research from security and privacy-focused communities, you can add these entries as the most effective block list: Even with network connections blocked, cached license data
Then open Terminal again:
127.0.0.1 adobe-dns.adobe.com 127.0.0.1 adobe-dns-2.adobe.com 127.0.0.1 adobe-dns-3.adobe.com 127.0.0.1 practivate.adobe.com 127.0.0.1 ereg.adobe.com 127.0.0.1 activate.wip3.adobe.com 127.0.0.1 wip3.adobe.com