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February 2009 - Posts

The Case of Eternal Loop while Publishing OWA through ISA Server 2006

1. Introduction This post is about a very interesting case that I worked this week, the initial scenario was: · ISA Server 2004 Publishing OWA · FBA Enabled on Exchange Server · ISA Server using RSASecurID as authentication on the Web Listener On this Read More...
Posted Thursday, February 26, 2009 1:13 AM by yuridio | 0 Comments

New Conficker variant introduces new backdoor functionality

Microsoft Malware Protection Center released last Friday an update about the new Conficker variant, as MMPC’s blog says: “The new sample has modifications which introduce new backdoor functionality. Previous versions of Conficker patched netapi32.dll Read More...
Posted Monday, February 23, 2009 2:00 PM by yuridio | 0 Comments
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Is not only us…

Is not only ISA fans that are excited about TMG, marketing is already giving great feedback about this Beta, check it out some of them: Microsoft's TMG adds antimalware, SSL inspection CNET Microsoft Enhances Security Products InternetNews.com Microsoft Read More...
Posted Sunday, February 22, 2009 3:54 AM by yuridio | 0 Comments
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TMG Administrator's Companion...50% done

Almost one year passed since we first started this project, from the book conception, TOC, proposal until start writing the first line in Chapter 1. We are now hitting 50% of the book and the sensation is that this guy is going to be really good. To celebrate Read More...
Posted Saturday, February 21, 2009 9:46 PM by yuridio | 1 Comments
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Is Firewall Service silent quitting or gracefully shutting down?

Introduction First let’s understand what silent quits means: When a silent exit occurs, the JIT debugger is never invoked because the process itself asked to be terminated. For example, two Win32 Application Programming Interface (API) functions that Read More...
Posted Friday, February 20, 2009 5:15 AM by yuridio | 0 Comments
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Another case where Firewall service (Wspsrv.exe) was crashing

Here it come another post about Firewall Service crashing and again the best approach to catch this crash was to attach a debugger to the firewall service (see this article to know how to do this). Result was quiet interesting because at this time there Read More...
Posted Tuesday, February 17, 2009 11:47 AM by yuridio | 1 Comments

TMG – The First 64-bit Microsoft Firewall

Yesterday I was talking with Richard Hicks and he was telling me how excited he was with the new set of features that TMG has. This is indeed true, many people got really excited with the package of new features that TMG Beta 2 brought, but there is something Read More...
Posted Thursday, February 12, 2009 2:08 PM by yuridio | 0 Comments
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Forefront TMG Beta 2 is NOW available for Public Download

Last Wednesday I delivered a presentation here at TechReady 8 (in Seattle) about TMG Beta 2 SMTP Protection (which is a feature that I really like since I worked with Exchange for so many years) and today I’m really happy to share with you that Forefront Read More...
Posted Friday, February 06, 2009 3:48 PM by yuridio | 0 Comments
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Error 58 “The specified server cannot perform the requested operation” while while performing LDAP authentication through ISA Server 2006

1. Introduction This post is about a scenario where users were not able to authenticate on a FBA page published by ISA Server using LDAP as authentication repository. The error message that was showing up there was: Figure 1 – Unable to authenticate. Read More...
Posted Sunday, February 01, 2009 12:02 AM by yuridio | 0 Comments
 
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