Note: Processing one million proxies through these steps will take hours and significant bandwidth, but it is the only way to get a usable shortlist. After validation, save your 10,000 good proxies in the standard TXT format .
If you are a student learning or running a tiny hobby script, the free million list is a fun challenge. If you run a business losing revenue due to slow proxies, the free list will cost you more in time than a premium service. Building Your Own Million Proxy List (Advanced) Instead of downloading a suspicious dump, ethical power users build their own. 1 million proxy list txt free
Of the 100,000 that respond to a ping, 95% will have a latency higher than 5 seconds. For web scraping, you need sub-2 seconds. You are now down to 5,000. Note: Processing one million proxies through these steps
Scraping public data is generally legal (HiQ vs. LinkedIn precedent in the US, though muddy in the EU). However, aggressively scanning random IPs for open ports (port 8080, 3128) can be considered a hostile act under the Computer Fraud and Abuse Act (CFAA) if you damage the system. If you run a business losing revenue due