The Ultimate Moden / Router Setup Thread

"If that's "how to block my wi-fi?", go into your router's settings pages and set a strong security key then keep a note of it in a safe so you are the only person who knows it. A strong key is in teh WPA2 security level and will be a mix of alpha-numeric characters, including some capital letters. While you're in the settings, hide the SSID or name of your network so only the most determined hacker could even know it exists.