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if your using windows then you can do it with the "host file". your computer checks the host file before it goes to a DNS server so if you alter your host file to say https://facebook.com 18.104.22.168 in your host file it will never ask the dns and find out its actually 22.214.171.124 and basicly blocks the web site... its really sneaky and impossible for anyone short of a genius to undo.
The internet uses something called DNS. It is similar to a phonebook for the internet, except instead of referencing people to phone numbers, it references IP addresses to webpages.
This error means that someone has purposely removed Facebook and Youtube from the listings in that "book" If you are at a school or workplace, you probably won't be able to fix this without help from a system administrator.
If at home, my suggestion would be to try another DNS Server, or "book".
This webpage explains how to set up an alternative DNS Server
- VPN A VPN lets you access Facebook from a normal internet
connection. It’s a little bit of software that you install on your
computer and then run after you connect to the internet. It sends all of
your internet information through a different computer (located in the
US or UK for example)… Try www.witopia.net for more information! -
Proxy A less elegant option, but just as useful, is to use a web
based proxy. There are many of these available, one of the best is
’sneak me’ (www.sneakme.net). You input the web address that you want to
access and then click on ‘OK’ and you can go straight to the site you
need. - Business firewall bandwidth Some businesses buy bandwidth
directly from Chinese telecommunications companies, so multinationals
for example can have full access to the Internet without any
Or you can use Google public DNS .
Watch this video to know how to setup google DNS .!
No.1 : If you are on corporate/company LAN, there's nothing much you can do unless you are the system/network administrator. If you are then make the necessary changes in the software at the server level( where open dns and proxy is hosted for access). But beware of your corporate security policies.
No.2 If you are at home or if you have your own internet connection, uninstall or disable open dns and point your system/laptop direcltly to the DNS servers provided by your ISP
This problem usually occurs if DNS addresses are not set-up correctly. DNS addresses are IP addresses of DNS servers which translates your queries to IP addresses. Like, when you enter www.google.com in your browser, computer sends this to DNS server, then DNS server gives back information of the address of the site you're trying to visit. Since your computer does not know where DNS server is, it cannot display your web page. Some programs like Messenger and Skype work by quering exact addresses (since they are made to connect to single database on Internet), and that's the reason they are connected to Internet.
Ask your Internet provider for DNS addresses.
Open Start menu and then Control Panel.
Open Network Connections.
Right-click the connection you are using to connect to Internet, and click Properties.
From the item list, choose Internet Protocol (TCP/IP).
Click Use the following DNS server addresses.
Enter given addresses.
Click OK and then Close.
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