A comprehensive guide to virtual private networks. Volume by International Business Machines Corporation PDF

By International Business Machines Corporation

ISBN-10: 0738414956

ISBN-13: 9780738414959

Show description

Read or Download A comprehensive guide to virtual private networks. Volume III, Cross-platform key and policy management PDF

Best management books

New PDF release: The Essential Drucker: The Best of Sixty Years of Peter

Father of contemporary administration, social commentator, and preeminent enterprise thinker, Peter F. Drucker analyzed economics and society for greater than sixty years. Now for readers in every single place who're all in favour of the ways in which administration practices and ideas impact the functionality of companies, participants, and society, there's the fundamental Drucker—an priceless compilation of crucial fabrics from the works of a administration legend.

Download e-book for kindle: 21st Century Manufacturing by Paul Kenneth Wright

Written in a conversational variety, this ebook explores modern-day applied sciences and the way forward for production — via information of the product layout method, fast prototyping, a survey of producing concepts appropriate to modern-day construction of client electronics or electromechanical units, and the sphere of Biotechnology.

M. Thangarajan, Vijay P. Singh's Groundwater Assessment, Modeling, and Management PDF

  Your consultant to potent Groundwater administration Groundwater evaluate, Modeling, and administration discusses quite a few groundwater difficulties and descriptions the strategies had to maintain floor and floor water assets on an international scale. participants from all over the world lend their services and supply a world viewpoint on groundwater administration.

Extra info for A comprehensive guide to virtual private networks. Volume III, Cross-platform key and policy management

Example text

Again what about the cost factor? As you can see, making all those decisions is not easy and takes time and there is no guarantee that you will do everything right. This redbook helps you during several of the steps mentioned above. It describes VPN scenarios, technologies and products and it illustrates how you can use those products to implement VPNs. 1 Branch Office Interconnections The branch office scenario securely connects two trusted intranets within your organization. Your security focus is on both protecting your company′s intranet against external intruders and securing your company′s data while it flows over the public Internet.

The L2TP protocol has been developed merging two different protocols: the Point-to-Point Tunneling Protocol (PPTP) and Layer 2 Forwarding (L2F). The remote dial-in user scenario is the most common situation for using L2TP. Remote users do not need to make a long-distance call or use a toll-free number to connect directly to the corporate servers but cost constraints suggest the use of ISPs’ points of presence (POPs) as a more cost-effective solution. In this case the dial-in user connects to the nearest POP provided by the ISP and then the session is routed through the ISPs and/or the Internet cloud to reach the corporate LAN access.

For example, you are at home or on the road but need a confidential file on a server within your intranet. By obtaining Internet access in the form of a dial-in connection to an ISP, you can communicate with the server in your intranet and access the required file. One way to implement this scenario is to use a remote access tunneling protocol such as L2TP, PPTP or L2F. Another way is to use an IPSec-enabled remote client and a firewall, as shown in Figure 7 on page 48. Ideally, you may wish to combine both solutions which will provide the best protection and the most cost-effective way of remote access.

Download PDF sample

A comprehensive guide to virtual private networks. Volume III, Cross-platform key and policy management by International Business Machines Corporation

by Charles

Rated 4.29 of 5 – based on 46 votes

About the Author