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Configuring VPN Access in a Back to Back ISA Server Environment

Cybersecurity / By Tom Shinder / July 16, 2002

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.

How to Block Dangerous Instant Messengers Using ISA Server

Access Control / By Tom Shinder / July 16, 2002

I get a lot of questions about how can ISA Server be used to block dangerous applications. What is a dangerous application?

Configuring ISA Server For Inbound VPN Calls

Cybersecurity / By Tom Shinder / July 16, 2002

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.

Configuring Exchange RPC Publishing in a Back to Back ISA Server Environment

Articles, ISA Server / By Tom Shinder / July 3, 2002

So you decided that Exchange RPC Server Publishing is a good thing. The problem is you have a back to back ISA Server configuration protecting the internal network. Can you still use Exchange RPC publishing? You bet! Read this article to find out how.

Win a WarGames DVD

Articles, ISA Server / By ISAServer Editor / July 2, 2002

Tell Microsoft about your ISA Server experience. Current ISA Server customers who fill out the questionnaire may become eligible to receive a complimentary "WarGames" DVD from Microsoft.

The Mystery of the Zip File that Won’t Block

Articles, ISA Server / By Tom Shinder / June 30, 2002

Are you having problems blocking file types? Do those .zip and .exe files still come down the ISA Server pike in spite of you blocking access to those files through Site and Content Rules? Check out this article and see if the answer to your problem lies within

Instant Messaging in the Enterprise: Where are you going tomorrow?

Exchange 2000, Planning & Architecture / By Will Schmied / June 27, 2002

Recently I had the opportunity to see the future of Enterprise IM systems. I'm not the only one who thinks that by the way—but we'll look at that more later. In the past few years, a major shift in the way business is done has been slowly occurring. The shift from paper communications to electronic communications was one that was slow in coming…

Configuring ISA Server Arrays

Articles, ISA Server / By Tom Shinder / June 26, 2002

Are you ready for some heavy-duty, high-performance, caching? Then you need to create an enterprise, caching array. Creating one isn't as easy as you might think! Kai Wilke and I walk you through the procedure so that you'll get it right the first time, every time!

14120 Errors; Discussion and Solution

Articles, ISA Server / By Jim Harrison / June 21, 2002

THe dreaded 14120 error; it's caused much grief in the ISA Server community. What is it and what can be done about it? All theses and more will be answered in tomorrow's Jerry Springer show, but for now, you can read this article…

Exchange 2000 Front-End/Back-End

Exchange 2000, Mobility & Client Access / By Steve Bryant / June 20, 2002

Exchange 2000 is a lot smarter than I first thought. Since its folders and mailboxes are published to the Active Directory, it actually knows to look there before checking for local Exchange resources. Let me explain a lab I set up to demonstrate this,

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