: Refers to a specific type of proxy protocol used to route network packets between a client and a server through a proxy server.
In the world of cybersecurity and web scraping, files with these names are usually generated by "proxy scrapers" or "checkers."
: The script finds hundreds of active IP addresses and ports.
: A user or an automated bot runs a script to scan the internet for open SOCKS4 proxy servers. These are often used to mask an IP address for privacy, to bypass regional blocks, or, more nefariously, to launch credential stuffing attacks.
Such files are frequently uploaded to coding repositories like , shared on developer forums, or traded in specialized communities where users look for free proxy lists.