if you have a company and you wish your workers not to enter some websites on the internet connection on the modem options you can use a proxy server, in that proxy server you can decide which websites are available to see and which not, but be careful, the person can decide if he dosen't wants to use a proxy connection
MY NEIGHBORS ARE USING MY WIFI HOW CAN I BLOCK IT FROM THEM
Yes, aluminum can block WiFi signals because it is a metal that can reflect and absorb electromagnetic waves, including those used for WiFi communication.
Yes, tin foil can block or weaken wifi signals because it acts as a barrier that reflects or absorbs the signals.
aluminum foil and copper wire--but how does it block a cell phone's connection??-_-
The BT Openzone website is a UK wifi-provider. The website BT Openzone provides information on its services and has a locator for places with wifi hotspots.
Yes
I can't see how you would do that but you might be able to if you jailbreak it.
I do not think it's WiFi. Most likely it's your ISP. Many ISPs limit or block uploads.
no
You click block website
To determine if your flight offers WiFi services, you can check the airline's website or contact their customer service.
A good deal on Wifi Voip Phones can be obtained on the website of voipsupply. Search google for voipsupply, and the first hit should by their website.