Networking terms & tips Define proxy settings — A proxy is an intermediary for web traffic, it can be used for accessing web services anonymously, for control or security purposes. Find your IP address — Knowing your IP address can help you troubleshoot network problems. Staying safe on the internet — General tips to keep in mind when using the internet. 什麼是 IP 位址？ — An IP Address is like a phone number for your computer. 什麼是 MAC 位址？ — The unique identifier assigned to network hardware. 更多資訊 網路、網頁與電子郵件 — Connect to wireless and wired networks. Stay safe with a VPN. Create a wireless hotspot. 另請參閱 Wireless networking — Connect to wireless networks, including hidden networks and networks created from phone tethering.