While 12345 is not a standard system port (like 80 or 443), it is a popular "easy-to-remember" port for: Model Context Protocol (MCP) : Used by tools like Claude Code to connect to Home Assistant via a local proxy. Local Proxy Development
To route your entire Windows operating system traffic through port 12345, use the built-in system settings. Press Windows Key + I to open the Settings menu.
Test it with:
http_port 3128 http_access allow all
Minimum 512 MB RAM (1 GB recommended for high-volume traffic).
(Note: Allowing all traffic poses a security risk. For production, restrict this by defining specific IP access control lists.) Step 3: Restart Squid Apply the changes by restarting the daemon: sudo systemctl restart squid sudo systemctl enable squid Use code with caution. Method 3: Installing Proxy 12345 on Windows
Now that you’ve mastered the , consider exploring advanced features like SSL interception, load balancing, or integrating with authentication backends like LDAP. Happy proxying! proxy 12345 install
logoutput: stderr internal: 0.0.0.0 port = 12345 external: eth0 socksmethod: username none clientmethod: none client pass from: 0.0.0.0/0 to: 0.0.0.0/0 log: connect disconnect error socks pass from: 0.0.0.0/0 to: 0.0.0.0/0 log: connect disconnect error Use code with caution.
Create a configuration file named 3proxy.cfg in your application folder.
:
If something is listening, you must stop that service or choose a different port.
Find the line that says http_port 3128 (default port). Change it to:
Before starting the installation, ensure you have the following: While 12345 is not a standard system port
curl -x socks5://admin_user:secure_password_99@127.0.0.1:12345 https://httpbin.org Use code with caution.