How do I block people from getting to my internet?

I am running on a modem through a phone line but the company i run through asked me if I would like to turn on my wireless, I told them sure because I am planning on getting a laptop. My neighbor has been getting my internet and I would like it to stop. I know you can put a password on the wireless. Can some one please give me details on how to put a password on my internet. Thanks!!

What is the cheapest way to get wireless internet?

I just bought a laptop and need cheap internet. My neighbor’s signals are lousy so I am not going that route. I really don’t want to use verizon and spend 40 a month. Triple Play is garbage so I don’t want to do that either. Any other cheap ways to get internet???

How do I make Xbox Live work with wireless internet when the router has a password?

I just moved in, and I learned that I will not be able to get wired internet. So I am going to get a wireless adapter. I am going to be sharing internet with my neighbor but access is passworded. I dont know how to get my other laptop to work with internet. She gave me a password so I can have access but I dont know where to type it.

When I have my xbox live w/l adapter. Will I have the option to put that password to make it work?

How to block the Itouch from the internet?

My neighbor keeps on using my internet with their Itouch,I think, (and I do use a security code for my internet), is thier any way I can restrict their Itouch from accessing my wireless router?

How do i connect my laptop to the Internet?

Ok so i have an ibm thinkpad, and it runs on windows XP, I can connect to Wifi, cuz my neighbor has it without security, but when i go to internet, it comes up saying it can’t connect to internet. If i go to Tools, then internet options, i don’t really know what to do, something about lan.

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