Accessing blocked sites in your connection at school, workplace
Social networking sites like Facebook, Twitter, etc. are usually blocked on networks of educational institutes, offices, etc.
There's a simple trick to this.
You can either follow this one - http://www.ampercent.com/access-facebook-when-blocked-in-office-school/5011/
or a better one is to change your DNS server.
But note that many institutions may be already using OpenDNS to filter the network. So you cannot use OpenDNS. Then you'll have to use Google's Public DNS Server.
OpenDNS servers -
208.67.222.222
208.67.220.220
Google Public DNS Servers -
8.8.8.8
8.8.4.4
On Windows, go to your connection's status -> properties -> properties of TCP/IP protocol (see screenshot)
Windows Change DNS
And you're done.. It should work.
On Linux, you've to use NetworkManager to set the default DNS which is quite easy for Linux ppl I think; after all Linux users are not dumbos 
Or if you're not using NetworkManager, edit /etc/resolv.conf, prepend any lines with a semicolon and add these lines below-
nameserver 8.8.8.8 nameserver 8.8.4.4
Nilesh Govindrajan
Site & Server Administrator
iTech7
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Comments
Amazing! It worked . Thanks
Amazing! It worked . Thanks Nilesh
Basically the thing is, they
Basically the thing is, they usually use DNS (something like OpenDNS) or proxy to filter. You've to setup your connection use their proxy and gateway. While gateway does the job of DNS lookups through their server, redirecting to an error page if the page is being filtered.
This trick won't work, if they already use OpenDNS (Use Google DNS then
), also you will have to disable the proxy.
Nilesh Govindrajan
Site & Server Administrator
iTech7
Still doesn't work
After changing the DNAs to open DNAs I went to I typed Facebook and tried to open it but still doesn't open .
Not possible. It has to. You
Not possible. It has to. You may have put in the wrong settings or not disabled proxy.
Nilesh Govindrajan
Site & Server Administrator
iTech7
Accessing Blocked SIte in Vietnam
I tried and was not able to log in.
Are there other open DNS sites that I can use other than one's listed here.
I don't see any reason why
I don't see any reason why this should not work, can you describe what settings did you use ?
If you still feel, that the listed DNS servers are not working, you can try some from here - http://theos.in/windows-xp/free-fast-public-dns-server-list/
Nilesh Govindrajan
Site & Server Administrator
iTech7
facebook blocked at office
dude what if the priviliiges over on LAN card ie tcp/ip prooerties are nulled. I dont have the rights to get into the tcp/ip properties. NOW WHAT???
You better ask on some
You better ask on some windows forum. I am not any windows expert. Its been ages since I stopped hacking windows so I forgot it.
Nilesh Govindrajan
Site & Server Administrator
iTech7