Access To Secure HTTP from ISA Server 2006

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We have an ISA Server 2006 and a firewall policy configured to allow ALL OUTBOUND TRAFFIC from Internal to External for someone domain users (IE Proxy settings configured)

The problem is that one of the users need access to a specific https website on the internet (Secure HTTP website) but when he tries to open this HTTPS website, ISA server is denying his access and as I said before that this is one of the domain users who also has full access to internet and he can open all other http websites! What should I do? is there a need to create a new access rule for this https website? and if Yes, how to do so?? Awaiting your detailed and prompt solution..thank you
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Enterprise Architect
Top Expert 2008
Is the https access definitely over port 563 or 443? These are the only two https ports that ISA supports by default. if you need to use alternative ports then a guide can be found here.

You can check the port number in the ISA gui - monitoring - logging - click start query - try and access the web site and confirm the port number and advise on the actual error message seen.
you can create https rule by following these steps

Create new rule > from Internal > to External > protocols :https > Users : specify the username you wish to let him access https site.

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