An Introduction to IP Security (IPSec) Encryption
White Papers The purpose of this document is to introduce IPSec to users in a rapid, but concise format. You will see basic configurations of Internet Key Exchange (IKE) with pre-shared keys, IKE with a Certification Authority, and IPSec.
[January 9, 2004, 23:00]
IPsec VPN WAN Design Overview
White Papers This design overview defines, at a high level, the available design choices for building an IPsec VPN WAN, and describes the factors that influence the choice. This design guide defines the comprehensive functional components that are required to...
[November 5, 2008, 0:01]
IPsec - A Secure Deployment Option
White Papers IP Security (IPsec) protects IP packets and defines the means with which a packet will be encrypted. IPsec is a valuable option for protecting data in transit. It is an Internet Engineering Task Force (IETF) standard, and many operating systems...
[June 23, 2004, 20:00]
IPSec/VPN Security Policy Correctness and Assurance
White Papers With IPSec/VPN policies being widely deployed, how to correctly specify and configure them is critical in enforcing security requirements. Under current practice, IPSec/VPN policies are usually specified manually by system administrators and thus...
[July 10, 2008, 1:01]
IPsec/VPN Security Policy Engineering: Automatic Generation and Conflict Detection
White Papers IPsec is a useful IP layer security protocol which can provide authentication and encryption for end-to-end traffic flow, but configuring IPsec VPN tunnels is notoriously complicated because it has so many options (key exchange, ciphers...
[July 10, 2008, 1:01]
Enterprise Guide for Selecting an IP VPN Architecture - Comparing MPLS, IPsec, and SSL
White Papers Companies selecting IP VPN architecture - MPLS, IPSec, and SSL - need to consider their business needs because there is no single best choice. IPSec and SSL VPNs, in contrast, are typically managed by the enterprise, and originate and terminate at...
[March 2, 2009, 19:21]
Step-by-Step Guide to Internet Protocol Security (IPSec)
White Papers This guide is intended to cover only local computer IPSec policy that uses IPSec transport (not tunneling) to secure traffic between a source computer and a destination computer. It does not cover using Group Policy in the Active Directory to...
[March 25, 2008, 3:11]
IPSec vs. SSL VPNs for Secure Remote Access
White Papers For these remote access needs, clientless SSL VPNs are more secure, less expensive, and easier to manage than IPSec. Learn more in this free white paper: "IPSec vs. Your users now demand access to more applications from more locations and devices...
[February 8, 2007, 12:58]
IPSec Virtual Private Networks: Conformance and Performance Testing
White Papers With IPSec VPN technology, organizations can use the public Internet as the backbone for their communications network infrastructure, achieving global reach and significant cost savings, while maintaining the security of internal communications.
[April 2, 2004, 0:04]
IPsec Direct Encapsulation VPN Design Guide
White Papers This design guide evaluates Cisco VPN product performance in scalable and resilient site-to-site VPN topologies, using Cisco VPN routers running Cisco IOS Software, with IPsec as the tunneling method.
[November 5, 2008, 0:01]
IPSec and SSL VPN Deployment Considerations
White Papers Two solutions have emerged for remote access over the Internet - IPSec VPN and SSL VPN. Choosing which one to deploy will be defined by the unique requirements of the organization, and in many both may be deployed as network-level access over SSL...
[March 16, 2009, 3:19]
IPsec Features in Cisco IOS Software Releases 12.3T, 12.3, 12.2T
White Papers This paper briefly describes IPsec features in Cisco IOS Software Releases 12.3T, 12.3, 12.2T. Cisco IOS Software provides many IPsec features such as Real-time Resolution for IPsec Tunnel Peer, Easy VPN Server, which provides RADIUS Support for...
[April 28, 2004, 22:57]
Comparing MPLS-Based VPNs, IPSec-Based VPNs, and a Combined Approach From Cisco Systems
White Papers This white paper compares MPLS- and IPSec-based L3VPN architectures. Next it presents the relative strengths of MPLS- and IPSec-based VPNs and explains how service providers can use both architectures for optimum advantage.
[August 25, 2004, 10:33]
Understanding the IPSec Protocol Suite
White Papers Because these vulnerabilities limit and complicate the use of large IP networks (including the Internet) for sensitive communications, an international group organized under the Internet Engineering Task Force (IETF) has developed the IP Security...
[June 22, 2007, 4:24]
TechNet Webcast: Network Isolation Using Group Policy and IPsec (Part 2 of 3) (Level 200)
White Papers Building on the overview of Internet Protocol security (IPsec) provided in Part one of this three-part series, this webcast shows how to use IPsec to create network isolation zones. Topics include the advantages and limitations of network isolation...
[July 7, 2006, 0:00]
Mobile Strategies: Why It's Time to Make the Switch From IPSec to SSL VPN
White Papers As a result, IT is under pressure to deliver remote access to their increasingly mobile workforce, but is stumbling across the limitations of their current IPSec technology. The attendee of this webcast will learn why IPSec VPNs are failing to...
[July 4, 2009, 1:20]
Configuring Cisco IOS Software Easy VPN IPSec Functionality With Digital Certificates
White Papers This paper discusses three options for resolving vulnerabilities, with an in-depth discussion of the unique, integrated solution, offering Cisco IOS Software based EasyVPN IPsec remote-access, secured by the Cisco IOS Software Certification...
[August 25, 2004, 10:33]
Configuring Cisco IOS Software Easy VPN IPsec Functionality With Digital
White Papers This paper discusses three options for resolving the vulnerabilities of the Cisco VPN Client for Windows and Linux, with an in-depth discussion of the unique, integrated solution, offering Cisco IOS Software based EasyVPN IPsec remote-access...
[September 10, 2004, 3:00]
TechNet Webcast: Network Isolation Using Group Policy and IPSec (Part 1 of 3): Overview of Internet Protocol Security (Level 300)
White Papers Data Isolation: How can it make the IT infrastructure safer, and how to use Group Policies and IPSec to implement it? This webcast presents the information and tasks needed to implement data isolation using Group Policies and IPSec within an...
[June 30, 2008, 1:01]
Government warns of IPsec VPN flaw
News The UK's National Infrastructure Security Coordination Centre (NISCC) has issued a serious warning over the safety of IPsec virtual private networks (VPNs). On its Web site, NISCC said a flaw in the IPsec VPN protocol could allow hackers to obtain...
[May 12, 2005, 14:05]



