![]() ![]() NetBIOS services allow file sharing over a local network. ![]() TCP & UDP ports 135, 137, 138, 139 – Used by the NetBIOS service Traffic over these ports within your home network will continue to operate as normal, but will be inaccessible to devices outside your network. These ports are blocked at network-level. When a certain port is known to be subject to security vulnerabilities, we sometimes block that port on our network. All internet traffic passes through ports to get to and from systems and services across the Internet. Ports on the Internet are like virtual doors that data can pass through. In order to protect our customers and our network, a number of ports on the Virgin Media network are blocked. Nevertheless, each security feature you add protects your WiFi network a little bit more. Some of these devices may have their MAC addresses printed on the case.Īs with other security methods, it’s still possible for a hacker to gain access to MAC address-based access control. To find out the MAC addresses of other WiFi-capable devices, consult the documentation that came with those devices. ![]()
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