Some security software may flag any listening service on port 12345 as suspicious due to the NetBus history. If you run a legitimate proxy, you may need to add an exception in your antivirus or explain the use case to a network admin.
Software engineers frequently use localhost:12345 or a local proxy on port 12345 to intercept and debug traffic between a mobile app and a server. It serves as a "sandbox" environment where data can be analyzed without interfering with standard web traffic. The Risks of Using Unverified Proxies proxy 12345
Once active, just point your browser’s proxy settings to localhost:12345 . This creates an encrypted tunnel that hides your IP and protects your data on public Wi-Fi. 2. Advanced Traffic Routing with NGINX Some security software may flag any listening service