An introduction to designing and configuring Cisco IPsec VPNs   Understand the basics of the IPsec protocol and learn implementation best practices Study up-to-date IPsec design, incorporating current Cisco innovations in the security and VPN marketplace Learn how to avoid common pitfalls related to IPsec deployment Reinforce theory with case studies, configuration examples showing how IPsec maps to real-world solutions   IPsec Virtual Private Network Fundamentals provides a basic working knowledge of IPsec on various Cisco routing and switching platforms...

Virtual Private Networks (VPNs) take advantage of the Internet's low-cost data communications capabilities by sending network traffic (internal network traffic, of the sort traditionally sent over private data links) through the public data cloud...

Historically, only large companies could afford secure networks, which they created from expensive leased lines. Smaller businesses had to make do with the relatively untrusted Internet. Now, even large companies have to go outside their private nets because so many people telecommute or log in while they're on the road...

A virtual private network (VPN) enables computers to access remote resources--like the mail store on another office's mail server--from a geographically remote location. Rather than access the files over a private (and expensive) wide area network (WAN) link, however, a VPN makes its data transmissions across the open Internet...

This book provides network managers, LAN administrators and small business operators with all they need to know to “interconnect” multiple locations or travelling employees that need to access a single location...

Your business must be connected in order to compete in the global marketplace. Employees need to know that their company’s network is accessible at any time, from any place. A Virtual Private Network (VPN) accomplishes this by utilizing remote connectivity technologies that combine existing internal networks with the Internet to securely communicate information...

The time has come, the Walrus said, for virtual private networks (VPNs). Such networks allow the geographically distributed elements of an organization to share files and other resources over what acts like a connection to a local area network (LAN) but is really a secured link across the open (and inexpensive) Internet...

Those considering Virtual Private Networks (VPNs) as a way of linking geographically separate installations should check out Implementing Virtual Private Networks. This book takes a close look at VPN suitability and constructing a VPN network and presents various off-the-shelf solutions...

Cuts through the hype and gets down to building VPNs that really work to increase your productivity while cutting costs. Provides expert tips for design, migration, implementation, and ongoing management...

Virtual Private Networks (VPNs) are simply a means of creating a private and secure wide area network (WAN) based on public network infrastructures. A company can create its own VPN using the Internet or by buying VPN services from a provider...

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Is applicable to voltage detecting systems that are single-pole and are capacitively-coupled to live parts. They are used to detect the presence or absence of operating voltage on a.c. electrical systems for voltages from 1 kV to 52 kV, and for frequencies from 16 2/3 Hz to 60 Hz...