Hi,

I have SBS2003.
I would expose exchange web in internert and intranet.
For intranet I would secure with IP filter.
For internet I would secure witch client certificate.
Now can I combine this methods? That is a person in my intranet that
haven't the certificate can access , because the IP is secure. A person
in internet with client trusted certificate can access also if he
hasn't an IP in the range.

It is possible and if yes what are the configuration?

Thanks

I don't think you can combine these two requirements in the way that you
wish.

You could create a second virtual directory (e.g. /internalOWA) and point it
to the same location that the existing virtual directory does (/exchange).
Your internal clients would use one virtual directory (with the IP address
restriction), and your external clients would use the other (with the client
certificate restriction).

To make it a bit easier for your users, you could create a single page which
redirects the user to the relevant folder depending on whether they are
internal or external.

Cheers
Ken

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