Many high-performance proxy providers use non-standard ports like 12345 to route traffic through their residential or data center pools. By using this port, automation scripts can send requests to a "super proxy" which then rotates the user's IP address automatically for every request. 2. Bypassing Firewalls
A SOCKS5 proxy on port 12345 is common when using tools like or Shadowsocks . With SSH, you can create a secure tunnel that routes your browser traffic through a remote server. proxy 12345
If you have a legitimate proxy service that uses this port, here is how you typically set it up: On Windows/macOS: Go to . Select Proxy . Enter the server address provided by your vendor. In the Port field, enter 12345 . Save and apply. In Python (Requests Library): Bypassing Firewalls A SOCKS5 proxy on port 12345
That's the job. That's the piece.