1811socks4.txt May 2026

Apply strict rate limiting on login and API endpoints to thwart automated attacks using these proxy services.

Integrate feeds that identify malicious proxy IPs to block them proactively [2]. 1811socks4.txt

1811socks4.txt is a filename commonly associated with lists of compromised proxy servers, frequently utilized by threat actors to anonymize malicious traffic. These text files often contain hundreds or thousands of IP addresses and ports, specifically for SOCKS4 proxies, which are used to bypass firewall restrictions and mask the true origin of cyberattacks [1, 2]. Why should you care? Apply strict rate limiting on login and API

Threat actors use these lists to rotate through IPs rapidly, making it difficult for security systems to block them. These text files often contain hundreds or thousands

if your server is part of a proxy network?

If you are seeing traffic from IPs listed in files similar to 1811socks4.txt , your infrastructure is likely being targeted by automated scanning or brute-force bots. How to Protect Your Infrastructure: