We have an ISA server up and running (Mixed mode) in NT 4.0 Domain. I wanted to publish one of our internal web sites (Webserver) to external world. I followed the book and articles on web publishing through ISA but alwasy failed. Any help is appreciated. Below is the configuration Server PIII 800 X 2 RAM 510RM HDD available 2GB Internet link Full T1 Registered one dns entry corrospond to external IP address of my ISA. Internal DNS is working for reaching to internal webserver. I tried the request on internet explorer of ISA server to test the webserver.