As discussed above, IPsec delivers data confidentiality services by executing a transform on plain text data. Common ciphers used in the IPsec transform are DES, 3DES, and AES. All of these transforms ...

IPsec is an addition to IP protocol that allows authentication and encryption of IP datagrams. It is defined in detail in IETF RFCs 2401, RFC 2402, RFC 2406 and RFC 2407 (see Resources). IPsec can be ...

In Part 1 of this article, we talked about security issues related to sending and receiving IP packets and the function of IP Security, or IPSec. We also discussed different levels of security and ...

There are several basic tasks that must typically be addressed when implementing IPsec. In this section we will explore basic tasks common to most of the fundamental IPsec VPN implementations, ...

A major security flaw in an IPsec protocol has been reported by the UK's National Infrastructure Security Co-ordination Centre (NISCC). According to NISCC, it is possible for an attacker to intercept ...

An advisory from a U.K. government group says that certain configurations of remote access IPSec VPNs are susceptible to attacks. The advisory was dated last week, but the vulnerabilities it outlines ...

Thought I'd start a new thread rather than hijack the other one. We're switching to a new MPLS VPN provider with 4 sites and a central colocation facility which tails into the internet. Each of the ...

In an exclusive Clear Choice test, the ASR not only moved traffic at 20Gbps but also did so while running QoS, security and monitoring functions on 120 million flows from hundreds of concurrent ...