If you are at school or work and find that facebook.com is blocked by a firewall, you can use these methods to bypass the restriction.
A VPN encrypts your traffic and routes it through a server in another location (e.g., the US or UK), hiding your real IP address and bypassing network filters. how to unblock fb
Some simple blocks (especially in schools or public Wi-Fi) work by tampering with the Domain Name System (DNS). Changing to a public DNS can bypass these. If you are at school or work and find that facebook
: In the left-hand column, under Audience and visibility , click Blocking . the US or UK)
Free, no installation needed. Cons: Often blocked by networks; no encryption; can be slow and risky for passwords. Examples: HideMyAss, KProxy (web-based).