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Creating Encrypted Connection string

Tuesday, June 3, 2008
Creating Encrypted Connection string
Creating Encrypted Connection string


You should always encrypt the connectionStrings section of a configuration file to prevent your database connection strings from being stolen by evil hackers.


aspnet_regiis tool for encryption


The easiest way to encrypt a section in the web configuration file is to use the aspnet_regiis command-line tool.This tool is located at the following path:


C:\WINDOWS \Microsoft.NET \Framework \v2.0.50727 \aspnet_regiis.exe



The following command encrypts the connectionStrings section of a configuration file located in a virtual directory named /MyApp:


aspnet_regiis -pe connectionStrings -app /TestSite


Notice that the -app option is used to specify the application ’s virtual path. You can encrypts a configuration section by using the -pef option.The following command decrypts a configuration file located in a folder named TestSite:


aspnet_regiis -pef connectionStrings c:\TestSite


You can decrypt a configuration section by using the -pdf option.The following command decrypts a configuration file located in a folder named MyWebApp:



aspnet_regiis -pdf connectionStrings c:\Websites \TestSite


You also can decrypt a configuration section by specifying a virtual directory.The follow-ing command uses the -pd option with the -app option:


aspnet_regiis -pd connectionStrings -app /TestSite



Example syntax :


To encrypts a configuration section:


C:\Program Files\Microsoft Visual Studio 9.0\VC>aspnet_regiis -pef connectionStrings c:\Test

Encrypting configuration section...

Succeeded!


To decrypt a configuration section


C:\Program Files\Microsoft Visual Studio 9.0\VC>aspnet_regiis -pdf connectionStrings c:\Test

Decrypting configuration section...

Succeeded!

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