Security

Complete Book of Remote Access: Connectivity and Security by Victor Kasacavage

By Victor Kasacavage

As know-how advances, the call for and necessity for seamless connectivity and solid entry to servers and networks is expanding exponentially. regrettably the few books in the market on distant entry concentrate on Cisco certification coaching, one point of community connectivity or defense. this article covers both-the allowing know-how and the way to make distant entry safe. The definitive source for community directors and IT pros imposing and retaining distant entry structures, the whole e-book of distant entry: Connectivity and safeguard offers the technical historical past had to with a bit of luck decide on and enforce the easiest distant entry applied sciences to your company's community. It offers uncomplicated technical details on distant entry community applied sciences and the practical info at the function that distant entry networks play in relocating info. In-depth insurance indicates you the way to evaluate distant entry wishes and establish applicable suggestions for various structures. the writer comprises discussions of distant entry configuration, protection issues from robust authentication to VPN, troubleshooting, upkeep, and catastrophe restoration. With assurance at the permitting applied sciences and the way to make distant entry safe, the whole ebook of distant entry is really the definitive source for community directors and IT pros trying to in attaining seamless connectivity and sturdy distant entry to servers and networks.

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Extra info for Complete Book of Remote Access: Connectivity and Security

Sample text

The receiving end unwraps and decrypts the packets to yield the original IP packet and sends it to its final destination. Many firewall vendors are offering firewall-tofirewall or a client-to-firewall encryption (or tunneling) solution. Most firewall vendors are using encryption methods that are Internet Protocol Security (IPSec) compliant, which enables their firewall to communicate with any other firewall that is IPSec compliant. There are other tunneling solutions that use tunnel end-point servers (sometimes referred to as crypto servers), which create virtual private tunnels between the remote location and the enterprise network, protecting data transmitted across the public Internet (see Exhibit 9).

If the host system has been turned off or experiences a problem, the remote user is unable to work. With all remote access methods, security is a concern. When using remote control, the host system’s monitor displays all the information that is being processed remotely, allowing the casual observer to view all screen activity, including e-mail and confidential information. The remote user can only access and run e-mail or other applications while connected to the host system through a dial-up line.

An effective solution must provide the following characteristics: • Effective management and control of user access to Internet and corporate intranet resources • Enhanced networking performance • Enhanced security with single-point-of-management capability • A business model consistent with corporate objectives The problems in these critical areas and potential solutions are described in detail in the following sections. Security Security is one of the key concerns of Internet users. This includes security of data as well as security of commercial transactions such as electronic funds transfers (EFT).

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