Configuring Gateway to Gateway L2TP/IPSec VPNs Part 1: Configuring the Infrastructure

Configuring a gateway to gateway VPN is easy using ISA Server. The reason why it’s so easy is that the Local and Remote VPN Wizards make the setup a virtual no-brainer. Well, it’s a no-brainer when you’re configuring PPTP VPN gateways. But if you’re in the market for a high security L2TP/IPSec gateway to gateway VPN, you probably have either been trying to avoid it like the plague or you are pulling your hair out trying to figure out how to make it work!

Configuring VPN Access in a Back to Back ISA Server Environment

VPNs have been a topic of growing interest for the last couple years. However, since the tragic events in New York City in September of 2001, the subject has become red-hot. Why? Business and network managers now have a greater awareness that the weakest link in any design, whether it be a network or a business, is too high a level of centralization. Distributed systems are highly fault tolerant and difficult to bring down, while centralized systems can be brought to their knees with a single blow.

Configuring ISA Server For Inbound VPN Calls

You've implemented a ISA/VPN Server to allow secure remote connections to your internal network. While you might have configured your VPN Server in a secure manner, what about your VPN clients? In this article I'll talk about important issues regarding VPN client configuration and how it impacts network security.

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