Open Block Website [Router Configuration]

For D-Link user and similar router
If you can find the setting, just do it

1) Open Firefox

2) Type the router ip address, example: 192.168.1.1

3) Type the username and password, example : admin/admin, tm123/tm123, admin/password....

4) Open Site Map or you can type http://192.168.1.1/sitemap.html

5) ADVANCED > DNS or type http://192.168.1.1/dnscfg.html

6) Change (obtain DNS server address automatically) to
   (Use the following DNS server addresses)

7) Put the (Preferred DNS server) and (Alternate DNS server) as shown

                                                      208.67.222.222 / 208.67.220.220

                                                                   88.88.88.88 / 8.8.4.4

8) Apply