Internet Security
You can use the Internet Protocol Security (IPSec) to restrict access to your computer to certain IP addresses. Of course, this will only work if you know the IP addresses of your clients. The advantage is that you do not have to change your client application, ASP.NET code, or Web service code to use it. This is impractical for public Web sites or services where you do not know who your clients are.
Internet Information Server
While the focus of this chapter is on .NET security, some knowledge of IIS security is important to have. Since both Web services and ASP.NET use IIS, your IIS settings do affect these aspects of .NET security.
In the previous chapters on ASP.NET and Web services, we have used the default settings of ...
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