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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 look on this worm that is causing lots of headaches to all IT Admins. MMPC (Microsoft Malware Protection Center) has a report about this malware and how Read More...
Posted Thursday, January 01, 2009 4:47 PM by yuridio | 0 Comments

Troubleshooting LDAPs Authentication through ISA Server 2006

We just published a new article at Tales from the Edge Community Site that describes how to troubleshooting LDAPs authentication through ISA Server 2006. Check it out at: http://technet.microsoft.com/en-us/library/dd316279.aspx Read More...
Posted Monday, December 29, 2008 10:12 PM by yuridio | 0 Comments

IAG 2007 TechNet Library

One last Christmas present for IAG administrators!! It was launched this month the IAG TechNet Library which will be the main source of documentation for IAG. This means that old PDFs for IAG will be retired of updates, those PDFs are still valid for Read More...
Posted Monday, December 29, 2008 10:09 PM by yuridio | 0 Comments
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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 through ISA Server 2006 and he wants to receive an authentication prompt when users access the web site rather than show the Forms Base Authentication page. Read More...
Posted Tuesday, December 23, 2008 9:00 PM by yuridio | 0 Comments

What can happen when you think that only Windows system needs to be patched

This post could easily be called “Slow Internet through ISA Server”, but I decided to change the title and the focus. I’m doing that for a simple reason: people still thinking that only Windows system needs to be patched. What an untrue statement this Read More...
Posted Tuesday, December 16, 2008 2:42 AM by yuridio | 1 Comments

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 get a full clarification from Amy Babinchak and Tom Shinder in a live presentation. For more information check out Tom’s blog: http://blogs.isaserver.org/shinder/2008/12/09/amy-babinchak-and-tom-shinder-present-on-the-ebs-tmg-firewall Read More...
Posted Wednesday, December 10, 2008 3:46 AM by yuridio | 0 Comments
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Monitoring Malware Through the Edge with Microsoft Forefront Threat Management Gateway

I would like to share with you this article that I wrote for Microsoft Security Tip of the Month (November 2008). This article was reviewed by Yury Berezansky, Senior Developer from TMG Team in Haifa and responsible for the Malware Inspection feature Read More...
Posted Wednesday, December 03, 2008 12:09 AM by yuridio | 1 Comments
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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 generic error 64 in one of my posts , some readers asked me if this is the ultimate reason for this error. The answer is: it is not! Since the error 64 is generic Read More...
Posted Sunday, November 23, 2008 9:08 PM by yuridio | 0 Comments

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 using RPC over HTTPs were not able to communicate with the internal Exchange Server. Pretty challenge case since on the ISA Server side there was nothing really Read More...
Posted Tuesday, November 18, 2008 12:10 AM by yuridio | 1 Comments

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 TMG and he was surprise with the TMG in Hork Mode (as he said), later he posted about the difference between TMG MBE and TMG EBS in another post . I understand Read More...
Posted Thursday, November 13, 2008 6:27 PM by yuridio | 1 Comments
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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 Harrison explained in a post about MS08-037 on ISA Team Blog . They are available at: 957298 Forefront Threat Management Gateway, MBE http://www.microsoft.com/downloads/details.aspx?FamilyId=E974422F-42B0-426C-8852-FF8E67264909 Read More...
Posted Tuesday, November 11, 2008 10:13 PM by yuridio | 1 Comments
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Using IE8 to mitigate XSS attack

Yesterday I was playing a little bit with IE8 when I received the following warning message in IE window: Internet Explorer has modified this page to prevent a potential cross-site-scripting attack. Yep, that’s right: IE8 now mitigates XSS attack by using Read More...
Posted Tuesday, November 11, 2008 1:39 PM by yuridio | 1 Comments

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 displayed There is a problem with the page you are trying to reach and it cannot be displayed. Technical Information (for support personnel) Error Code: 502 Proxy Read More...
Posted Tuesday, November 11, 2008 2:01 AM by yuridio | 0 Comments
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New TMG articles available at support.microsoft.com

The global Forefront Edge Security Team worked hard for the last 45 days to review and validate the old ISA articles and see if they were applicable for TMG. As result we have the first wave of articles already live at Microsoft KB Web Site. You can review Read More...
Posted Sunday, November 09, 2008 7:33 PM by yuridio | 1 Comments
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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 updates) system upgraded (in place) to ISA Server 2006 with SP1 on it. This question comes in a really good moment because I can raise two recent situations Read More...
Posted Wednesday, November 05, 2008 6:09 AM by yuridio | 1 Comments
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