: Users of tools such as GSA Proxy Scraper often export lists using timestamps to keep track of fresh vs. "dead" proxies. Usage and Risks socks4.txt - TheSpeedX/PROXY-List - GitHub

This specific file is a snapshot of active, publicly available SOCKS4 proxy servers . These lists are typically generated by automated scrapers that scan the internet for open ports and verify their connectivity.

: SOCKS4 is an older network protocol used to forward TCP traffic . Unlike SOCKS5, it lacks support for authentication and UDP traffic. Common Sources

: Scrapers like those managed by TheSpeedX or mmpx12 provide rotating socks4.txt files for developers and researchers.