http://blogs.technet.com/isablog/archive/2009/01/06/error-403-when-connecting-to-a-web-resource-protected-with-rsa-web-agent.aspxConsider the following scenario: 1. You have an internal IIS website that you’d like to publish to the Web using ISA Server 2006. 2. You have installed RSA’s SecurID Web Agent into IIS on your internal website. 3. You have created a Web publishing ruleen-USCommunityServer 2.1 SP1 (Build: 61025.2)