netgear wireless router protection help

[OpenToSuggestions]

hey all, i have a netgear DG834g (it is just a wireless modem router) and I need to protect it asap as some **** is connected to it and downloading

we have many computers in the house, so dont want diff keys I just want one shared key. On the router settings there are several types of protection, which should I use?

thanks

 

[paddi70]

Hi I have the Gt version and connect PSP, notebook and desktop through it, I WPA-PSK. All good here.