Domain Blocking

Domain Blocking is a security technology introduced with Microsoft Internet Information Server version 4.

What is Domain Blocking?

A security technology introduced with Microsoft Internet Information Server version 4. Domain blocking allows Internet Information Server administrators to grant or deny access to content on the server based on a client’s IP address, subnet, or Internet domain name. This is a useful security feature for protecting machines running Internet Information Server from repeated attack by hackers. Domain blocking can be applied at various levels, including the following:

  • All virtual servers on the machine (master level)
  • A specific virtual server
  • A specific virtual directory
  • A specific file