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Virtual Private Network

Posted on: July 24th, 2013

Virtual Private NetworkA VPN or virtual private network utilizes public access of the internet via remote access, LAN to LAN internet (Local Area Network) and controlled access. This allows the employees of a company to access their company’s corporate intranet no matter where they are located. While the VPN uses public access to connect people to the intranet of their specific company, the security features keep those who are not allowed into the intranet from connecting.

Along with the convenience factor of the VPN come the natural problems with using them. There are truly some advantages and disadvantages to using the VPN, some of the disadvantages include the potential of running into incompatible vendor software packages. Some incompatibility is to be expected when there are choices of access to the network from Windows, Mac iOS, and tablet devices. Whether the disadvantages outweigh the advantages depends on the company, the individuals using the intranet and a number of other factors.

There are a few network protocols that have become more used as a result of the explosion of popularity of VPN’s. These protocols include PPTP, L2TP, IPsec, and SOCKS. These protocol names stand for Point to Point Tunneling Protocol, Layer 2 Tunneling Protocol, Internet Protocol Security, and Socket Secure protocol. Each uses a different method to accomplish the same purpose, which is to access a virtual private network. The security features of the VPN allows the authorized users to access the VPN’s by using a series of encrypted data that cannot be seen or decrypted by unauthorized persons. A well-made VPN can allow different protocol products to be used, but some of the VPN’s that are set up at some companies do not have standards that make these products compatible with the protocol packages.

The VPN’s allow the remote access as a much cheaper alternative than establishing unique security access for their employees. Some companies even utilize a private VPN for their Wi-Fi wireless networks for the sake of security.


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