Encrypt the web.config by using RSA provider:Īspnet_regiis -pe "connectionStrings" -app "/MyApplication" -prov "MyProvider".Grant access to the application pool identity for this key:Īspnet_regiis -pa "MyKeys" "IIS AppPool\ApplicationPoolName" -full.You need to create and use an RSA key along with the RSA key provider so all servers can have the same key for decryption. The method above won’t work for web farms because IIS servers won’t be able to decrypt the connection string encrypted by each other. Here is the related documentation: Encrypting and Decrypting Configuration Sections Web Farms Open the web.config and check if the connection string is decrypted.If you want to decrypt it back, run this command:ĪSPNET_REGIIS -pdf "connectionStrings" "D:\inetpub\wwwroot\applicationFolder".Open web.config and check if the connection string is encrypted.Perform the command below to encrypt the connection string in your web.config:ĪSPNET_REGIIS -pef "connectionStrings" "D:\inetpub\wwwroot\applicationFolder".
Go to C:\Windows\Microsoft.NET\Framework\v9.The method below uses the default key provider Use the steps below for encryption and decryption when there is only one IIS server. Encryption/decryption for a Single Server.You can use ASP.NET IIS Registration Tool (aspnet_regiis.exe) to encrypt and decrypt your connections strings. This is why the connection strings should be encrypted. This is definitely a security concern for your Production servers. It means that connection specific information such as database name, username, and password are stored as a clear text in a file. The connection strings are mostly stored in web.config. For example: a connection string can tell your web application to connect to X database at ServerA by using Z username and Y password. Web applications use connection strings to connect to databases with certain credentials and other configuration.
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