How to protect yourself from hackers and denial of services attacks with a VPN

For decades, the secure external access to corporate networks over VPN technology was assured. This should now be provided by company to the test. Because protection gaps through access to the whole network for company assets.

Many people know this scenario: Error 800: the remote connection was not produced due to VPN tunnel errors. The impatient user connects to the corporate network after this error without any security authority. And thus opening up doors for hackers.

ISDN, frame relay, ATM, or the Internet. All this technology is considered the basis for the VPNs, which we know today. The principle is always the same. A device or a computer connects to a network with the aim to transfer data safely.

The basic idea of a VPN is technically quite easy. Data are transmitted safely over the Internet. This includes a virtual connection is established using a tunneling protocol, which is encrypted. This connection is called tunnel, since the content is not visible to others. It is possible to establish logical connections between any endpoints, such a router, there are providers where you can test a vpn trial before you purchase. Gateway or client software, through the tunnel. Through the tunnel, users have access to the network, behind the enterprise applications then.

Companies must ensure that the applications are always available for their employees. Therefore they interpret mostly redundant worldwide their data centers across three sites. Implement load balancer, which provide for parallel processing of requests on multiple systems, and in addition, VPN concentrators in the data center. A firewall is also required to restrict access to applications on the network. An appliance to protect against DDoS attacks (distributed denial of service) is necessary, so that attackers can not overwhelm the network. Ultimately, companies mostly against the possible failure of a data center are prepared and generate redundant configurations, which are close to the actual data center.

The traditional VPN implementation no longer can withstand the current progress of digitization. A VPN static network connections are, and scalability involves only configuration effort and high costs. Each user device that you want to access via VPN to the corporate network, must be configured manually. And also the data centers, as well as her duplicate subject a large administrative overhead because of hardware, such as load balancers, firewalls, VPN concentrators and DDoS protection and generate enormous complexity. It is also accordingly difficult to integrate cloud applications by these static links.

«On the other hand, the speed will be throttled by VPN data transfer. The reason that the data before they are sent over the VPN tunnel to the datacenter must be encrypted. In the course of digitization, also more and more traditional communication channels are replaced and set to electronic communications.

All of this affects the speed of the connection. Consequences: The connection is too slow, the staff often lose patience. Having to include speed losses not only in purchase, grab it whenever possible without VPN to applications. Access to the Internet, this is to the example often the case. Instead of using the secure proxy server in the company of staff connects directly to the Internet.

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