A acts as an intermediary between your device and the internet. When you configure a proxy, you must specify the address of the server and the port number it is listening on. While standard web traffic uses port 80 (HTTP) or 443 (HTTPS), proxies often use custom ports like 8080, 3128, or—in this case— 12345 . Common Uses for Proxy 12345 1. Development and Testing
Developers often use port 12345 as a "bogus" or dummy port to verify if an application is correctly following device proxy settings. If an app still connects despite being pointed to a non-existent port like 12345, it indicates the app is ignoring system-wide proxy rules. proxy 12345
Proxy 12345 is frequently used by:
Always ensure that any proxy you use—regardless of the port—is from a to keep your personal information safe. A acts as an intermediary between your device
Because port 12345 is a non-standard port (not 80, 443, or 8080), it offers distinct advantages: Common Uses for Proxy 12345 1
If you’ve set up a proxy on port 12345 and it isn't working, check these three things: