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A Jack of all trades is a master of integration, as such an individual who knows enough from many learned trades and skills to be able to bring their disciplines together in a practical manner, and is not a specialist but can be an expert in many fields. Such a person is known as a polymath or a renaissance man; a typical example is someone like Leonardo da Vinci.

Tuesday, September 28, 2010

Get Free Exam vouchers with 20% discount with Free Secondshot

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Tuesday, September 21, 2010

Remap user permissions to objects in the database

There's a time where you need to restore a prod database over a test database. Then all permissions in the stored procedures were gone. To fix this execute the following command:

EXEC sp_change_users_login 'Auto_Fix', ''

This will remap the database users login to the right objects.

**This must be done to all database user

Serious ASP.NET exploit

A serious ASP.NET exploit has been discovered. It can be used to decrypt viewstate, remotely log in as any user and potentially gain control over a server.

 
http://www.youtube.com/watch?v=yghiC_U2RaM


The exploit works by firing thousands of requests at a website, examining the returned error messages for information and eventually collecting enough information to derive the server's encryption key. Any ASP.NET website that doesn't return a static error page can be hacked using this method.

 
http://weblogs.asp.net/scottgu/archive/2010/09/18/important-asp-net-security-vulnerability.aspx

Friday, June 18, 2010

Free Defensive Database Programming E-Book from Red Gate

"This is not a 'should have' book; it is a 'must have' book". Joe Celko. This book contains dozens of practical, defensive programming techniques.

http://www.red-gate.com/specials/Ebooks/Defensive_Database_Programming.pdf

Wednesday, June 9, 2010

Free 100% Microsoft exam discount voucher

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If you can't book it, it means it's already been booked.  This valid for any Microsoft exam in any country.

Tuesday, April 20, 2010

You receive error 401.1 when you browse a Web site that uses Integrated Authentication and is hosted on IIS 5.1 or a later version

When developing an ASP.NET application on a machine that's running IIS 5.1 or a later version, you may receive an error message that resembles the following:

HTTP 401.1 - Unauthorized: Logon Failed

You may also receive an error message that resembles the following when you try to debug a Microsoft ASP.NET project in Microsoft Visual Studio 2003:

Error while trying to run project: Unable to start debugging on the web server. You do not have permissions to debug the server.
Verify that you are a member of the 'Debugger Users' group on the server.


This issue occurs if you install Microsoft Windows XP Service Pack 2 (SP2) or Microsoft Windows Server 2003 Service Pack 1 (SP1 and above). Windows XP SP2 and Windows Server 2003 SP1 and above include a loopback check security feature that is designed to help prevent reflection attacks on your computer. Therefore, authentication fails if the FQDN or the custom host header that you use does not match the local computer name.

There are two methods to work around this issue, use one of the following methods, as appropriate for your situation.

Method 1: Disable the loopback check

The first method is to disable the loopback check by setting the DisableLoopbackCheck registry key.

To set the DisableLoopbackCheck registry key, follow these steps:
  1. Set the DisableStrictNameChecking registry entry to 1. For more information about how to do this, click the following article number to view the article in the Microsoft Knowledge Base:
  2. 281308 (http://support.microsoft.com/kb/281308/ ) Connecting to SMB share on a Windows 2000-based computer or a Windows Server 2003-based computer may not work with an alias name
  3. Click Start, click Run, type regedit, and then click OK.
  4. In Registry Editor, locate and then click the following registry key:
  5. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
  6. Right-click Lsa, point to New, and then click DWORD Value.
  7. Type DisableLoopbackCheck, and then press ENTER.
  8. Right-click DisableLoopbackCheck, and then click Modify.
  9. In the Value data box, type 1, and then click OK.
  10. Quit Registry Editor, and then restart your computer. 

Method 2: Specify host names

To specify the host names that are mapped to the loopback address and can connect to Web sites on your computer, follow these steps:
  1. Set the DisableStrictNameChecking registry entry to 1. For more information about how to do this, click the following article number to view the article in the Microsoft Knowledge Base:
  2. 281308 (http://support.microsoft.com/kb/281308/ ) Connecting to SMB share on a Windows 2000-based computer or a Windows Server 2003-based computer may not work with an alias name
  3. Click Start, click Run, type regedit, and then click OK.
  4. In Registry Editor, locate and then click the following registry key:
  5. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0
  6. Right-click MSV1_0, point to New, and then click Multi-String Value.
  7. Type BackConnectionHostNames, and then press ENTER.
  8. Right-click BackConnectionHostNames, and then click Modify.
  9. In the Value data box, type the host name or the host names for the sites that are on the local computer, and then click OK.
  10. Quit Registry Editor, and then restart the IISAdmin service.

Tuesday, April 13, 2010

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