Factors Affecting a Fast VPN

To the uninitiated, a VPN or Virtual Private Network refers to a network used by businesses or other public telecommunication infrastructure to connect with remote sites. Thus, virtual connection is routed through the internet from the businesses' private network to the employee. Although this is a faster and more effective method when compared to 'leased lines'; not all VPN service providers deliver fast VPN service. Here are some factors that affect its performance:
 
- The performance of a VPN largely depends on factors such as the country, the service that you use, the server that you connect to, the number of other users who are connected to the server, the operating system, the brand of phone, computer or VPN router that you use, your online activity, and your ISP.
 
- VPN is provided primarily through two protocols; OpenVPN and PPTP or Point to Point Tunneling Protocol. PPTP is simple and easy to set up. In fact you can set up PPTP with no software at all.. On the other hand, OpenVPN requires easy to use software for installation but provides superior security. OpenVPN is not compatible on mobile devices so it is important to carefully consider what your VPN needs are when selecting a VPN protocol.
 
- A VPN connection is required to encrypt and decrypt using keys, pass certificate inspections, and tunnel information through both the ISP and a different country where the VPN server is located. Although VPN service providers claim that the difference in speed due to the location of the server is negligible, they do agree that your distance from the VPN server will affect speed. Thus, if you are looking for a fast VPN make sure that you choose a VPN server that is close to you. A natural option would be to use service providers that have a large server base. Also, ensure that the service provider allows you to switch between servers for free.
 
- Sometimes a VPN connection is browser based, and works over just one browser. If speed is an issue with you, check if your browser is supported by the VPN. Also check for browser updates, and notifications that need attention before you connect.
 
- The performance of a VPN is also determined by the type of VPN that you use..
 
These are just some of the factors that affect an otherwise fast VPN. While security is a primary concern with a VPN connection, it is important to maintain a fine balance with performance and inter-operability as well.
 
It is possible to get a fast VPN connection without compromising on the security, by choosing a good service provider. The author of this article writes reviews about VPN service providers and guides people on the different aspects required for a fast V
PN
 

 How VPN Works
 
VPN stands for Virtual Private Network. This is a technology that allows one to remotely connect to a private network, so that they are "virtually" connected to that network, as though they are on-site and plugged into the LAN. VPN is useful for remote workers to connect to office resources, such as internal web portals and file shares, without needing to be physically in the office. In this computer networking notes VPN tutorial, we will take a brief overview of the different types and uses of VPN.
 
There are many different VPN protocols and types of VPN's. LAN-to-LAN VPN's are used to connect multiple networks together. For example, a corporate office may wish to have connectivity to multiple branch offices for internal communication and resource access. This allows edge firewalls to still block any outside access that tries to connect to its protected resources, but still allow these VPN connections as though they are "internal" or already on the trusted side of the firewall. IPSec is a collection of security protocols that are most commonly used for LAN-to-LAN VPN's, providing a robust set of varying encryption and authentication protocols.
 
Remote workers connect to remote VPN's. These are usually temporary, or "dial-in" connections. Microsoft Windows comes with PPTP (Point-to-Point Tunneling Protocol) built-in, which provides an easy access method to roll out. However, PPTP relies on a weak encryption protocol, called MS-CHAP, which makes it a less favorable option. IPSec can also be used for remote VPN's, with the use of special third-party client software, and/or IPv6. SSL VPN's are becoming more popular for remote access VPN's, as they provide a secure connection, as well as the easiest option for remote workers. With a SSL VPN, remote workers can usually login to a HTTPS web page that allows them to download an app (often a Java app) that serves as the client software. After the initial install, clients can usually run the app without having to login to the web page. SSL VPN's also may allow access from the web portal to certain resources without needing to give remote workers a full network connection to the private network.
 
Aside from granting access to remote workers, VPN is sometimes used to mask a host's true identity. This presents a security concern, since VPN can be used as an encrypted tunnel to transport classified data off of a corporate LAN. Modern data loss prevention (DLP) and firewall rules not allowing outbound VPN connections are a good starting point, but SSL is very difficult to accurately block, due to the fact that many legitimate secure websites use SSL. VPN services can also be subscribed to for masking a host's external IP. For example, a site or service may only be allowed in the UK, but if someone in the United States connects to a UK VPN server and uses it to browse to the site, it would appear they were in the UK. 

 

Do I Need a VPN Service

Do you need a personal VPN service? If you Google around you will see that most people use VPN services to bypass the Internet restrictions from their countries, like in the Middle East or China. But a VPN can do so much more for you.
 
The VPN works by encrypting all your Internet traffic and redirecting it via a VPN server, typically located in the USA. This will have two immediate effects:
 
1. Your Internet traffic will be obscured from anyone "listening" on the line. Even your ISP or company will have no idea as to what your actual Internet traffic really is.
 
2. Your real IP address will be hidden from the sites you visit, thus offering you anonymity while online.
 
So even if you are in Wireless HotSpots, places that hackers often scout to find new victims, you will be protected when using the VPN. Firesheep, the Firefox plugin is a preferred tool of the trade and is extremely easy to use, even by amateur hackers, or "script-kiddies" as they are called in the underground community. The VPN encryption will also keep you safe from the Firesheep attacks.
 
The bad part is that it all comes at a cost. Two main issues to be discussed here:
 
1. When using the VPN you will experience a decrease in speed. This is caused by the encryption and the traffic routing. So if you are in France and you are using a VPN server, your traffic will get encrypted, sent from France to the VPN server in USA and from the VPN USA server redirected to it`s original intended destination. From there the traffic flows via the same route all the way back to you in France... That`s a long trip right?
 
2. Most good VPN services are paid. There are some free ones, but people have had bad reviews in the past about free VPN service: limits on bandwidth, poor speeds and connection drops some users say. The paid services generally do much better in terms of performance. Expect to pay from 10$ - 20$ per month for a good VPN service.
 
Another important aspect is the encryption the VPN uses. At this moment SSL VPNs are considered to have the safest encryption. The most popular SSL VPN protocols are SSTP and OpenVPN. Unlike other protocols they use certificates during the authentication process, making a man-in-the-middle hacker attack almost impossible.
 
So, my advice would be, if you care about your privacy and security, get a VPN service and always use it in networks you consider unsecured (like airport or coffee shops public networks).

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