How Facebook is blocked
For active users, it is imperative to know precisely how Facebook is blocked prior to ascertaining how to unblock it. A lot of us are unaware that an internet censoring nation utilizes two well-known techniques to restrict access to specific websites or blogs they consider to be unsuitable as per established norms and regulations in their country. These two modes are the so-called (1)DNS poisoning and (2)IP address blocking.
Strict countries employ these strategies to limit access to websites on their forbidden list. Once they employ DNS poisoning, the IP (Internet Protocol) address of a particular website to be blocked is thereby faked. So, should you attempt to access Facebook, the DNS servers are contacted by the ISP to obtain the IP address of its domain so as to afford access to said website.
It eventually updates and caches the contents of that domain. Through this process, the caching and tables of the prospect websites are eventually distorted. With DNS poisoning, Facebook users will be redirected to another website whenever they try to access the Facebook website. Also, some countries utilize blocking the IP address method to preclude entry to these prohibited websites.
How to unblock Facebook online? Use a proxy or VPN account!
So, now comes the question of how exactly can we unblock Facebook, if we are In a country where access is rendered illegal? Easy, subscribe to the best VPN service to enable IP hiding or use a Facebook proxy, a solution for bypassing all Facebook restrictions. The most straightforward and evident way to unblock Facebook access is by having a VPN account. In fact, there is literally no other tool to meet the effectiveness of a VPN service when it comes to unblocking access to Facebook or any other prohibited websites for that matter.
How does it work?
A VPN will connect your system to a remote server hosted in another country via a secure tunnel. Your information and traffic traverse through said tunnel safely encrypted. Further, the tunnel allows you to surpass DNS poisoning as it hooks you up to another server situated in a diverse country like the USA or UK.
On acquiring the VPN connectivity, you are likewise given a fresh new IP address. It is obtained from a server located in another country. This in effect affords you total identity anonymity on the web. This is very handy when used to unblock Facebook access.
Finally, it is up to you to obtain the aid of a trusted and quality VPN provider (like HideMyAss, ibVPN, IPVanish, NordVPN, PureVPN, ExpressVPN) on the web which has a good track record in providing VPN services online. Although there are lots of VPN services providers out there, only a select few provides the best quality ever.
Go for the VPN service that has the best technical capabilities and excellent infrastructure to offer you. Thus, opt for a VPN service with a very good customer support that will cater to all your technical queries and other related issues.