Suddenly people cannot get to the internet at my business

So you have been cruising along at your business for years and all has been great, but now, out of the blue, people on your network are having trouble viewing websites. You found that if you reboot that firewall (pull the plug on the thing since there is no power supply) that YOU get back online right away, but then …

Microsoft Security Bulletin Advance Notification for January 2012 – Happy New Year!

Microsoft rings in the new year with updates!  HAPPY NEW YEAR!!!! The Advance Notification outlines 7 bulletins that cover updates from “important” to “critical” in Microsoft Windows (XP / Server 2003 / Vista / Server 2008) and Microsoft Developer Tools & Software. Most will require a restart, or at least MAY require a restart. On the Advance Notification page you …

Microsoft out-of-band security bulletin for December 29, 2011 addresses .NET framework issues

Yesterday, Microsoft issued a security bulletin for the .NET issues mentioned the other day.  That document can be found here: http://technet.microsoft.com/security/bulletin/ms11-dec Critical Security Bulletins ============================   MS11-100   – Affected Software: – Windows XP Service Pack 3 – Microsoft .NET Framework 1.1 Service Pack 1 – Microsoft .NET Framework 2.0 Service Pack 2 – Microsoft .NET Framework 3.5 Service Pack …

Microsoft security advisory 2659883 announces DoS vulnerability in ASP.NET

Microsoft released Security Advisory 2659883 today which outlines a vulnerability in ASP.NET which could permit a Denial of Service. More information is available here: http://technet.microsoft.com/security/advisory/2659883 Two notes from that page listed as “Mitigating Factors”: By default, IIS is not enabled on any supported Windows operating system Sites that disallow application/x-www-form-urlencoded or multipart/form-data HTTP content types are not vulnerable Please visit the …

Merry Christmas! Microsoft releases Exchange 2010 SP2 featuring new mini version of OWA, multi-valued custom attributes and more!

As promised, Microsoft released SP2 for Exchange Server 2010 on 2011-12-12, and the SP brings with it a number of features and fixes: Incorporates all the changes from Update Rollup 1 through 6 for SP1 Adds Hybrid Configuration Wizard for ease of managing a deployment between your on site Exchange and your Office 365 Exchange Introduces Address Book Policies, which …

November 2011 Microsoft Patch Tuesday includes server update goodness…

It’s that time of the month again…  Update time that is for Microsoft machines. Microsoft has not left servers out of the mix at all, so you system admin types will be able to justify reboots for sure. These patches cover everything from code execution to elevation of privileges and even Denial of Service on just about every version of …

What does it mean when your ISP changes DNS servers?

I received a phone call from Charter Business earlier today reminding me that they have deployed new DNS servers and that I should adjust my equipment to use them. Fortunately, none of our equipment even looks at name servers other than our own in-house server.  But does yours? First, let’s look at what DNS is…. The simple explanation is: DNS …