03-03-2012 06:13 AM
What is your Router model?
If you dont know the login credentials to your router when you type 192.168.1.1 on your browsers address field, You will need to reset your router and re configure again. Refer to my signature on how to configure depending on your ISP type.
At which point you will also need to set your routers security, also available through the web management of the router.