Unix

Building a virtual private network by Meeta Gupta

By Meeta Gupta

What you are promoting needs to be attached so that it will compete within the international market. staff want to know that their company's community is available at any time, from anyplace. A digital deepest community (VPN) accomplishes this by using distant connectivity applied sciences that mix latest inner networks with the web to safely converse info. development a digital inner most community is your key to designing, enforcing, and securing an absolutely attached community that meets your small business wishes.

Show description

Read Online or Download Building a virtual private network PDF

Similar unix books

Network and System Security

Network and approach safety presents centred assurance of community and approach safety applied sciences. Explores sensible suggestions to quite a lot of community and structures safety matters. Chapters are authored by means of top specialists within the box and deal with the speedy and long-term demanding situations within the authors' respective parts of craftsmanship. assurance contains construction a safe association; cryptography; method intrusion; UNIX and Linux safeguard; web protection, intranet protection; LAN safety; instant community safety; mobile community safeguard, RFID defense, and extra.

* Chapters contributed through leaders within the box masking foundational and useful features of method and community safeguard, delivering a brand new point of technical services no longer came across elsewhere.

* accomplished and up-to-date insurance of the topic zone permits the reader to place present applied sciences to paintings

* provides tools of research and challenge fixing thoughts, improving the reader's grab of the fabric and skill to enforce functional suggestions

Solaris Solutions for System Administrators: Time-Saving Tips, Techniques, and Workarounds

* Teaches tips to paintings shrewdpermanent and stay away from the various pitfalls of handling Solaris platforms * Covers the newest liberate of Solaris, Solaris nine, in addition to past types * Written via specialists with years of Solaris event * filled with useful, hands-on strategies to tricky difficulties, exhibiting how you can stay away from high priced error * Tackles dealing with method functionality; the solar hearth line of Solaris firm servers; fitting, configuring, and patching Solaris; and making sure safety"

SCJP Sun Certified Programmer for Java 5 Study Guide (Exam 310-055)

Get the publication that exhibits you not just what to check, yet find out how to learn. the one classroom-based built-in examine procedure for pro certification delivers whole assurance of all targets for the solar qualified Programmer for Java five examination, 1000's of perform examination questions, and hands-on workouts.

Extra info for Building a virtual private network

Sample text

Firewalls scrutinize not only the incoming traffic but also the outgoing traffic, thus ensuring a high level of security. NATs, on the other hand, do not reveal the real IP addresses of the resources located within the network. As a result, hackers and other attackers cannot target a specific resource located within the intranet and, consequently, the data stored there. ◆ Implementation of user and packet authentication to establish the identity of the user and determine if he or she should be allowed access to the VPN-accessible resources within the network.

VPNs cost considerably less than the traditional ◆ ◆ ◆ ◆ ◆ solutions, which are based on leased lines, Frame Relay, ATM, or ISDN. This is because VPNs eliminate the need for long-distance connections by replacing them with local connections to a carrier network, ISP, or ISP’s Point of Presence (POP). Reduced management and staffing costs. By reducing the long-distance telecommunication costs, VPNs also bring down WAN-based network operation costs a considerable extent. In addition, an organization can bring down the overall cost of the network if the WAN equipment used in the VPN is managed by the ISP.

SVCs, on the other hand, are used to link sites within an extranet. NOTE PVC is a virtual path through a network in which the end points of the connection are defined by the administrator. An SVC is also a virtual path through a network; however, in contrast to PVCs, the end points of the communication are defined by the user at the time of the call initiation. Now that you are familiar with the basic requirements of a VPN, consider what elements (components or building blocks) go into the making of a physical VPN.

Download PDF sample

Rated 4.23 of 5 – based on 13 votes