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Yuri Diogenes's Blog

Thoughts from a Senior Program Manager @ Microsoft C+AI Security CxE Team

Centralized Information about Conficker

Microsoft Malware Protection Center Blog put together the latest update about Conficker worm, the...

Author: Yuri Diogenes [MSFT] Date: 01/28/2009

Clients can’t browse Internet through ISA because ISA is waiting for the DNS to answer

Just a quick follow up on the article that I wrote for the ISA Team Blog about ISA stopping...

Author: Yuri Diogenes [MSFT] Date: 01/27/2009

Detecting SQL Injection on IIS Logs

Check this out this nice tool that allows you to analyze IIS logs and see if the ASP pages were...

Author: Yuri Diogenes [MSFT] Date: 01/24/2009

UI Enhancements on IAG 2007 SP2

  1. Introduction IAG 2007 SP2 hits the ground running with many customers applying it and realizing...

Author: Yuri Diogenes [MSFT] Date: 01/18/2009

Removing Conficker Worm

Quick post just to bring awareness about this new KB that explains how to manually remove Conficker....

Author: Yuri Diogenes [MSFT] Date: 01/15/2009

Demystifying Networks Concept on ISA/TMG

The reason why I’m saying “demystifying” is because many people are still having wrong concepts and...

Author: Yuri Diogenes [MSFT] Date: 01/13/2009

ISA Server Firewall Service crashes when enabling cache

  1. Introduction This is another one of those cases where ISA Server Service mysterious crashes once...

Author: Yuri Diogenes [MSFT] Date: 01/12/2009

TMG MBE Malware Inspection at TechNet Magazine

Microsoft TechNet Magazine February 2009 Issue is online now and the Security Watch column brings an...

Author: Yuri Diogenes [MSFT] Date: 01/08/2009

Blocking Conficker through ISA Server/TMG

Happy New Year everybody! I hope you enjoyed your new years eve because now you might want to take a...

Author: Yuri Diogenes [MSFT] Date: 01/01/2009

IAG 2007 TechNet Library

One last Christmas present for IAG administrators!! It was launched this month the IAG TechNet...

Author: Yuri Diogenes [MSFT] Date: 12/29/2008

Multiple Authentications Prompt while Accessing a Web Site Published through ISA Server 2006

  1. Introduction This post is about an interesting case where customer was publishing a web site...

Author: Yuri Diogenes [MSFT] Date: 12/23/2008

TMG on EBS, what to expect?

Do you want to know how TMG plays in the EBS solution? If you do, than next week is your chance to...

Author: Yuri Diogenes [MSFT] Date: 12/09/2008

Error 64 “ The specified network name is no longer available” while browsing Internet through ISA Server 2006

  1. Another error 64? After posting one of the reasons why ISA Server 2006 can come up with the...

Author: Yuri Diogenes [MSFT] Date: 11/23/2008

Port Exhaustion on ISA Server 2006 while Publishing Outlook Anywhere

Last week we (ISA Server Team in Texas) faced an interesting issue where remote Outlook Clients...

Author: Yuri Diogenes [MSFT] Date: 11/17/2008

Forefront TMG MBE (with or without EBS)

My fellow friend Tom Shinder wrote this week about the articles that we were migrating from ISA to...

Author: Yuri Diogenes [MSFT] Date: 11/13/2008

DNS/NAT update available for ISA and TMG

We just released an update for ISA (2000, 2004 and 2006) and TMG MBE for the behavior that Jim...

Author: Yuri Diogenes [MSFT] Date: 11/11/2008

Using IE8 to mitigate XSS attack

Yesterday I was playing a little bit with IE8 when I received the following warning message in IE...

Author: Yuri Diogenes [MSFT] Date: 11/11/2008

502 Proxy Error on ISA Server 2006

Have you ever received one of the errors below while browsing a web site? The page cannot be...

Author: Yuri Diogenes [MSFT] Date: 11/10/2008

In Place Upgrade from ISA Server 2004 Standard SP3 to ISA Server 2006 Standard (with SP1)

One question that arrives sometimes is how to get a fully updated ISA Server 2004 SP3 (plus post SP3...

Author: Yuri Diogenes [MSFT] Date: 11/05/2008

IAG 2007 SP2 is Announced

This week at TechEd EMEA in Barcelona there will be lots of news about TMG and IAG/UAG. But one of...

Author: Yuri Diogenes [MSFT] Date: 11/03/2008

Understanding ISA Server Policy Store Registry Hives

How many times were you wonder what the difference between HKEY_LOCAL_MACHINE\IsaStg_Eff1 and...

Author: Yuri Diogenes [MSFT] Date: 10/29/2008

Trigger an Action using Windows Server 2008 Event Viewer

The Microsoft Windows Server 2008 Event Viewer is a whole new program inside the Operating System,...

Author: Yuri Diogenes [MSFT] Date: 10/28/2008

Configuring actions based on ISA Server 2006 Alerts

Last post I explained how Netmon 3.2 can be used to identify an expected traffic and this week I...

Author: Yuri Diogenes [MSFT] Date: 10/26/2008

Using Netmon 3.2 to Identify an Unexpected Traffic

  1. Understanding the Problem I already worked in many cases where customer wants to know why ISA is...

Author: Yuri Diogenes [MSFT] Date: 10/19/2008

TMG and IAG Slides from TechEd Brazil

Who went to TechEd Brazil last week will be able to access the content through the website...

Author: Yuri Diogenes [MSFT] Date: 10/19/2008

TMG Presented at TechEd Brazil 2008

Last Tuesday at TechEd Brazil I was pleased to have around 200 people in the audience with a high...

Author: Yuri Diogenes [MSFT] Date: 10/16/2008

Error 64 - From the Field to the Classroom

This week I’m delivering an ISA Server 2006 Workshop to Microsoft Premier Customers. While the...

Author: Yuri Diogenes [MSFT] Date: 10/08/2008

Common Questions and Answers about ISA Server 2006 and Windows Server 2008

With Windows Server 2008 bring so many cool features such as SSL VPN, many customers are asking some...

Author: Yuri Diogenes [MSFT] Date: 10/03/2008

ISA Server 2006 Publishing Issue with MOSS 2007

"Troubleshooting Sharepoint/MOSS 2007 publishing through ISA Server can be really challenging,...

Author: Yuri Diogenes [MSFT] Date: 10/02/2008

TMG and IAG Sessions at TechEd Brazil 2008

I will be delivering two sessions at TechEd Brazil this year, one about TMG and another one about...

Author: Yuri Diogenes [MSFT] Date: 09/30/2008

Configuring VPN Client Access on Forefront TMG with NAP Integration

Last September 16th David Cross (Microsoft Product Unit Manager) announced in the ISA Server Team...

Author: Yuri Diogenes [MSFT] Date: 09/28/2008

Account Lockout using Outlook Anywhere through ISA Server 2006 SP1

Have your heard of that? This was a case about an user that was getting his account locked out in AD...

Author: Yuri Diogenes [MSFT] Date: 09/23/2008

Netmon 3.2 Has Released

The latest build for Netmon is not available for download. I strongly recommend you to download this...

Author: Yuri Diogenes [MSFT] Date: 09/17/2008

Hardening ISA Server in a Supported Manner

  1. Introduction One process that it is becoming more and more common today is the hardening server’s...

Author: Yuri Diogenes [MSFT] Date: 09/11/2008

SQL Injection, the threat beyond the perimeter

It is very common to us from CSS Security receive calls about SQL Injection and sometimes customers...

Author: Yuri Diogenes [MSFT] Date: 09/05/2008

Network Monitor Wizard – Assisting you to create your NMCap Command

It was winter 2006 when Roberto Farah and I started to develop this project out of MS work hours...

Author: Yuri Diogenes [MSFT] Date: 08/29/2008

Intermittent Performance Problem while Accessing Internet through ISA Server 2006 – Round 2

  1. Introduction Well, I was not planning to have a round two on this subject, but it is just amazing...

Author: Yuri Diogenes [MSFT] Date: 08/25/2008

Why /3GB can negatively affect your ISA Server

  1. Introduction While many Microsoft Application Servers such as Exchange take full advantage of...

Author: Yuri Diogenes [MSFT] Date: 08/20/2008

Capturing an user mode crash on ISA Server – Part 2 of 2

  1. Introduction Back in May I wrote the first part of this blog where I explained how to use...

Author: Yuri Diogenes [MSFT] Date: 08/12/2008

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