Understanding the VPN service concept
In this era of fast-moving technological innovations and development, one area that has lagged and yet is unable to match feet with the pace is online security and anonymity. Though we have the opportunity to go online while on the move, we don’t have surety just how secure we are. An old proverb fits well here, Prevention is better than cure. You should take preventive measures before it’s too late. In this article, our focus would be on VPN and online security and anonymity.
While I was surfing the internet, I came across many interesting websites that have been offering remote VPN accounts, they are for your sure security and anonymity online with a price tag equal to that of an anti-virus license. Let me explain how it works and what is needed on your part to get a VPN.
The VPN providers have set up remote servers at various locations worldwide in various data centers. They may be at diversified locations like the USA, UK, Canada, Germany, etc. On the server-side generally, if Windows may be using built-in RRAS (Remote routing Access) that is configured to route (or NAT) your connection to the other side (Public Address on the Internet) while you get a private address from a predefined pool in there.
There could be principally three flavors, namely Shared IP, Dynamically Shared IP, and Dedicated IP. A shared IP or a static shared IP means every time you connect (dial their server) you get a similar IP address. Dynamic shared IP means every time you connect you get a different IP (from a pool of Public IP addresses, maybe /24 or /25 or other). Whereas a dedicated IP would mean you will get a similar IP every time you connect but that is not shared with anyone else.
In short, the static shared IP address is more like an open proxy as it begins used by more than one person at a time, dynamic shared IP is not much like a proxy, its concept could be understood by thinking of its IP allocation as that in ADSL. Dedicated IP, as the name suggests, gives you a unique IP that is solely yours and there is no point in any kind of trouble like Black listed IP, or UCE listings. You should first check your IP status before going to get a dedicated IP.
To connect to a VPN server, VPN providers provide dialers (that are made using a utility called, CMAK, found in windows server), generally, two protocols are provided PPTP and L2TP, as your network might support either of the two. Once you are connected, all your internet-bound traffic goes to the VPN provider server and from there it’s routed to the internet. Incoming traffic follows a similar procedure, thus your identity is completely hidden from the rest of the internet. Wherever you browse its VPN provider server IP would be visible and your IP would be hidden.
Why VPN Services?
Most impotently all your data that travels between your PC/MAC and secure VPN connection provider goes encrypted thus leaving no room for data loggers and hackers to intercept your traffic (passwords and private information) in a readable form.
There are unlimited benefits to such a service. Some are bypassing local internet filters, bypassing blocks on particular websites, and unblocking VOIP where it’s blocked; for example, UAE, Oman, Saudi Arabia, and other ME countries. VPN is also considered as a workaround for streaming country-specific media e.g. if a media is limited to be accessed from the USA, and you get a USA VPN you could watch the media as if you were in the USA. The same goes for all countries.
A VPN (a virtual private network) is a networking technology concept that utilizes either public or private networks to give rise to a secure computing data network connection. The mostly used public network, in this case, is the internet, whereas private networks are usually leased lines from a service provider. It operates on layers 2 and 3 of the OSI layer, though multiprotocol label switching (MPLS) functionality makes the two layers less distinct.
VPNs interconnect remote sites over disparate distances in a similar sense to a Wide Area Network (WAN).). The daily increasing client base for information has brought with it the need to extend intranets beyond their local scope to allow for the dissemination of information and communication. Companies with branches and offices spread out beyond a common geographical area benefit the most from this technology.
The VPN concept has been tapped to provide vital value-added services, at a relatively low cost and enhanced quality in contrast to services offered by typical network providers. The latter offers infrastructural services, an example being data center hosting and site-to-site connectivity. However, VPN services virtualized the service entity over the same infrastructure as much as possible. It logically shares resources such as network infrastructure, security, and remote and wireless access. Each service is tailor-made for individual customers. The goal of this service is to meet their individual needs.
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