How to Check What Services Are Running on Your Network

Knowing what services are active on your home or office network is essential for both security and performance. Many devices quietly run background services that consume bandwidth and expose potential vulnerabilities. Start by logging into your router’s admin panel to view connected devices and their assigned ports. Use built-in tools like netstat on Windows or lsof on macOS and Linux to see which applications are listening for connections. Free network scanning tools such as Nmap can map every device and service on your local network, revealing open ports and running protocols. Check for unexpected services like remote desktop access, file sharing protocols, or media servers you do not recognize. Disable anything unnecessary, update firmware regularly, and change default passwords. By auditing your network services periodically, you maintain a safer, faster, and more reliable internet experience for everyone who shares your connection.