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June 2008 - Posts

Windows XP SP2 prompts to allow traffic while opening IAG 2007 Portal

When the client workstation connects to IAG Portal and the endpoint detection is done, the IAG needs to do some inbound queries to validate client components. The Whale components that are used during the incoming test on IE are called “Whale Add ons”. Read More...
Posted Monday, June 30, 2008 4:35 PM by yuridio | 0 Comments
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The Network Design that could bring you down – The Complement

It is always good to listen, step back and let someone else look to the big picture to see if can see what you can’t see. A friend of mine (Jim Harrison) once told me: review that for me, I’m too close to the forest to see the monkeys throwing poop at Read More...
Posted Monday, June 30, 2008 4:18 AM by yuridio | 1 Comments
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The Network Design that could bring you down

1. Introduction Recently I worked in a case where the ISA Server was not used only as an edge firewall but also as main concentrator of “ALL” network traffic. While this could really sound nice in terms of central management and security awareness of Read More...
Posted Sunday, June 29, 2008 6:44 PM by yuridio | 0 Comments
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Kerberos Authentication with ISA Server 2006 using NLB

Due lots of questions on this subject we just published a post on ISA Server Team Blog about this behavior. If you are deploying ISA Server 2006 using NLB and wants to take advantage of IE7 Kerberos Authentication, read this article and see what to expect Read More...
Posted Thursday, June 26, 2008 3:22 PM by yuridio | 0 Comments
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Troubleshooting IAG2007 Authentication Repository

1. Introduction Last article about authentication repository I explained how to create a LDAPS repository and how to troubleshoot LDAPS authentication repository. This post is pretty much a complement to that because here we will move the troubleshooting Read More...
Posted Sunday, June 15, 2008 5:26 PM by yuridio | 0 Comments
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Wondering how to customize your IAG Portal Page?

Last week Michael Riva wrote and article to ISASERVER.ORG about IAG 2007 that explains in details and in a didactic manner hwo to customize the IAG Portal. The article was edited by Tom Shinder and it is now available in the link below: http://www.isaserver.org/tutorials/Customizing-IAG-2007-Portal-Pages.html Read More...
Posted Sunday, June 15, 2008 5:21 PM by yuridio | 0 Comments
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MVP Security Article of the Month

About one month ago, a friend of mine from Brazil told me about the idea to write the Security Article of the month and we got together on this. We wrote an overview about Microsoft Security Products and how to use a layered approach to use them. Today Read More...
Posted Wednesday, June 11, 2008 10:58 PM by yuridio | 0 Comments
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TMG New Features - Policy Enforcement

1. Introduction Throughout the years ISA Server suffered many improvements in the way that handles firewall policy, if you remember, on ISA Serve 2000 we have to stop the service so the policy could take effect immediately, which improved a lot on ISA Read More...
Posted Sunday, June 08, 2008 5:25 PM by yuridio | 0 Comments
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ISA Server Losing Secure Channel with the DC - The 5783 Nightmare

The first time that I blogged about this was in October 2006 at ISA Server Team Blog , we were getting so hammered about that issue that it motivates us to create an official article about that. Last year we published an article at Microsoft TechNet Library Read More...
Posted Thursday, June 05, 2008 3:29 PM by yuridio | 0 Comments

IAG 2007 Authentication Repository

1. Introduction The IAG Server 2007 is known for the flexibility to allow access from anywhere to the internal resource in a secure manner. However, if you are really thinking about security there is a key pillar called “Authentication”. The good part Read More...
Posted Wednesday, June 04, 2008 3:37 PM by yuridio | 1 Comments
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