The Hosts file is a plain text file used by every major operating system (Windows, macOS, Linux) to map hostnames to IP addresses. When you type www.google.com into your browser, your computer first checks the Hosts file. If it finds an entry for www.google.com , it goes directly to that IP address without asking a DNS server.
While the Adobe Hosts File Block List is an effective tool against piracy, there are potential drawbacks and limitations: Adobe Hosts File Block List
0.0.0.0 adobe.com 0.0.0.0 lmlicenses.adobe.com 0.0.0.0 na2m-pr.licenses.adobe.com 0.0.0.0 practivate.adobe.com The Hosts file is a plain text file
: This action requires administrative privileges and can overwrite custom network configurations, leading some critics to describe the behavior as "indistinguishable from malware". Official Adobe Stance and "Allowlists" Ruddernation-Designs/Adobe-URL-Block-List - GitHub Adobe Hosts File Block List