Use web filter software

I want it to block even dating websites and all porn and bad sites like that or is ther one tht will do that and i can type in the web address to block a certain website too?

I’m using Aobo Porn Filter
Block unwanted websites and filter porn websites

Aobo Porn Filter, Works with all popular web browsers
Blocks porn web sites automatically
Running in stealthly and undetectable mode
Blocks all porn web sites before they loaded to web browsers
Password protected

Aobo Porn filter is better than others. It can filter porn even you use web proxy. Other porn filter Can’t filter porn sites if you use a web proxy such as http://proxyforall.com to visit porn