Guide to firewalls and vpns pdf
Network Security, Firewalls and VPNsYou may copy it in whole or in part as long as the copies retain this copyright statement. The information contained within this document may change from one version to the next. All programs and details contained within this document have been created to the best of our knowledge and tested carefully. However, errors cannot be completely ruled out. Therefore Endian does not express or imply any guarantees for errors within this document or consequent damage arising from the availability, performance or use of this or related material. The use of names in general use, names of firms, trade names, etc. All trade names are used without a guarantee of free usage and might be registered trademarks.
What is a Firewall?
User Guide for Cisco Security Manager 4.1
Log in. Firewalls are among the best-known network security tools in use today, and their critical role in information security continues to grow. However, firewalls are most effective when backed by thoughtful security planning, well-designed security policies, and integrated support from anti-virus software, intrusion detection systems, and related tools. Coverage includes packet filtering, authentication, proxy servers, encryption, bastion hosts, virtual private networks VPNs , log file maintenance, and intrusion detection systems. The text also features an abundant selection of realistic projects and cases incorporating cutting-edge technology and current trends, giving students the opportunity to hone and apply the knowledge and skills they will need as working professionals. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.
Greg Holden is the author of more than 35 books on Internet- and computer-related topics, including the Web design applications Microsoft FrontPage and Macromedia Dreamweaver. He also does Web development for the design firm NewCor Group. He helped design recruitment literature and course catalogs for the University of Chicago. He lives in Chicago with his two teenage daughters and assorted birds, fish, and other pets. Herbert Mattord, Ph.
A v irtual p rivate n etwork VPN is a network that is constructed using public wires — usually the Internet — to connect remote users or regional offices to a company's private, internal network. A VPN secures the private network, using encryption and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted. This type of network is designed to provides a secure, encrypted tunnel in which to transmit the data between the remote user and the company network. The information transmitted between the two locations via the encrypted tunnel cannot be read by anyone else because the system contains several elements to secure both the company's private network and the outside network through which the remote user connects through. The first step to security is usually a firewall between the client and the host server, requiring the remote user to establish an authenticated connection with the firewall.
Firewalls are among the best-known network security tools in use today, and their critical role in information security continues to grow. However, firewalls are.
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