Encrypting appSettings in web.config

Question

I am developing a web app which requires a username and password to be stored in the web.Config, it also refers to some URLs which will be requested by the web app itself an

Answer 1

• Encrypting and Decrypting Configuration Sections (ASP.NET) on MSDN
• Encrypting Web.Config Values in ASP.NET 2.0 on ScottGu's blog
• Encrypting Custom Configuration Sections on K. Scott Allen's blog

EDIT:
If you can't use asp utility, you can encrypt config file using SectionInformation.ProtectSection method.

Sample on codeproject:

Encryption of Connection Strings inside the Web.config in ASP.Net 2.0