: While proxy_prem.txt is a static list, it can sometimes be used to feed more complex PAC files which dynamically decide when to use a proxy based on the URL being visited. Safety & Security Considerations
Developers integrate these files into software to bypass rate limits or mask their origin. proxy_prem.txt
: Be cautious if you find this file unexpectedly on your system. It is sometimes bundled with "cracked" software or malware to help the malicious program communicate back to its "command and control" server while bypassing local firewalls. : While proxy_prem