Concepts
How the gateway works: rotating and sticky sessions, location targeting, proxy formats, UDP, WebRTC and the limits that apply to every account.
Sessions and targeting
Protocols
Limits and errors
X-Reason header on port 7000, in a SOCKS5 reply code on port 7001. Every answer is listed here with how your tool shows it and the fix.Default limitsA few targets are closed for every account, and a few rules protect the gateway. Everything else is open: bought traffic has no limit on threads or connections.