Guys i Have a problem that i have't able to open Facebook on Mozilla Firefox and Google chrome . i think it all happened due to networking restrictions. so i to know steps about remove restriction from my pc and open the facebook. some on tell me steps for remove restriction.

Make friends with your net admin... Ask them to unblock it...

You could use a proxy, but along with porn and gambling sites, proxies are usually one of the first things blocked.

Though if your company doesn't want you accessing facebook on their systems, I wouldn't attempt it. Just wait till you get home, or use a smartphone if you have one.

Didn't you hear? after today's flop of Facebook's IPO Zuckerburg ran through the Facebook datacenter screaming "death to the internet" and shutting down all servers.

Or so i heard...

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http://blog.movingonesandzeros.net/

depending on how savvy your IT guy is,
I remember a few years back my company blocked youtube, however being a company full of network engineers we found a simple way around it.
open a command line and ping facebook.com, capture its IP address and enter it in the URL bar in the browser

http://192.168.1.1/ as an example...

this was because our IT guy had blocked youtube.com on the domain level and not the IP level, so we could easily watch out favorite youtube clips instead of doing work

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CCNA, CCDA, CCNA-SECURITY