how to block immoral sight on internet

Now a day there are many immoral sites on internet. now we can block the reach of users to these sites with the help of your modem.

there are certain steps to do it by yourself. go to your browser 

enter getway ip address on your browser then go to advanced settings 

•  there on the left you can find service  
• after that there is URL blocking option 
• then enter the url address to the blank space 
• here you can check 

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