Network Address Translation (NAT) is a technology that has, in a small way, revolutionized Internet communications. NAT allows multiple computers on a LAN to share a single public IP address for ...

I'm trying to set up an IPSec-tunnel between two Juniper SSG-devices. Since one of the Juniper devices is behind a NAPT I've turned on NAT-Traversal on both sides. And as I've understood it, one of ...

THE FAST-GROWING use of the Internet led to a shortage of IP addresses. To deal with this problem, the Internet Engineering Task Force (IETF) defined NAT (Network Address Translation), which is a way ...

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, ...

The use of IPsec is pervasive throughout the networking industry. However, many organizations are using IPsec in sub-optimal configurations that result in weaker connection security. Many ...

Why network address translation (NAT) on an Internet router keeps the VPN client from making the connection Many a network administrator has tried to set up a virtual private network (VPN) client from ...

With the explosive growth and popularity of the Internet, more and more enterprises are looking towards building their network infrastructure across the Internet without having to spend a lot on ...

Previous articles (Part one, Part two) in this series on implementing VPN gateways using Cisco routers discussed the IPsec protocol and basic IPsec VPN connection models. Now we'll learn how to ...

IPsec is a critical element in building a scalable and secure SD-WAN fabric. The right IPsec is key to making it happen. Robert Sturt published an article title “SD-WAN vs. VPN: How do they compare?” ...