For smaller networks on which keys can be manually defined, IKE preshared keys (PSKs) can be used. PSKs are manually defined in the IKE policy of each crypto endpoint. Once crypto and ISAKMP policies ...

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, ...

VPN (Virtual Private Network) is a technology that provides secure communication through an insecure and untrusted network (like the Internet). Usually, it achieves this by authentication, encryption, ...

Understanding and working with project strongSwan is no child’s play, rather it requires deep knowledge and a sound understanding of Internet Protocols and other security features related to it. Here ...

The US National Security Agency (NSA) has published guidance on how to properly secure IP Security (IPsec) Virtual Private Networks (VPNs) against potential attacks. Besides providing organizations ...

History: in the past, pfSense used "raccoon" as its IPSec daemon, and I believe it was not capable of forming this sort of tunnel. They just (version 2.2, released a few days ago) switched to ...

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 ...

A researcher challenges a conclusion in a recent academic paper on weak Diffie-Hellman implementations that claims 66 percent of IPsec VPN connections are at risk. A challenge has been made against ...