Excessive Authentication Traffic accessing an IIS site when using ISA Server 2006 as Forward Proxy

1. Introduction   Consider a scenario where ISA Server 2006 is being used as a forward proxy for sites that are published on the internal network using IIS 6.0 using integrated authentication.   2. Symptom   The symptom observed in this particular case was that when using ISA Server 2006 as forward proxy the amount…


How to Allow HTTP 301 through ISA Server 2006

Introduction   When you publish a web site through ISA Server 2006, you can configure the action to take for requests that match that rule to deny (see Figure 1) and redirect the user for another URL. What is happening behind the scenes is that ISA Server 2006 sends an HTTP 302 redirect to the…