Question : IIS/Citrix/Comcast connection problem

I currently have my server up and running windows 2000 adv srv
Here is my thing Im using Citrix Metaframe xp if anyone has used it
The reason for citrix is to run nfuse redirected to port 80 to run apps from work or wherever regardless of firewall since its on port 80 or i can redirect it to whatever port. Apps like rdp,vnc,ieplorer from home without the stupid proxy filtering here at work.
Citrix is sharing port 80 with iis its works great on lan but from say my cousins to me which he is on earthlink dsl ,the web page wont even come up for him or anyone else.
Im wondering if this is a comcast thing i know that they dont allow webservers by there rules but is the http filter only to inbound traffic and not outbound on comcasts end?
Server is also dmz'ed through my router with a few rules sets/port fowarding.
I am also running http://www.dyndns.org
ftp is working fine, ssh is working fine on lan outside also
citrix metaframe xp is working fine on lan
IIS is running fine on lan
Also same **** with VPN Server connects then drops the user.
If this is the case im gonna switch todsl or a service that allows this.
Everything is patched and updated
I am using  static ips mac filtered with a router netgear wgt624
http://www.netgear.com/products/details/WGT624.php
The server is dmz'ed out and is also setup for port forwarding and port triggering.
Any ideas anyone?

Answer : IIS/Citrix/Comcast connection problem

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