Someone you might want to check with
My previous employer did some nifty stuff with remote connection and administration of AS400 from Windows clients. I don't know exactly what they used, but it was secure.
You'd want to talk to [link|http://cronosys.com/staff.html|Andy Gladys].
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Microsoft offers them the one thing most business people will pay any price for - the ability to say "we had no choice - everyone's doing it that way." -- [link|http://z.iwethey.org/forums/render/content/show?contentid=38978|Andrew Grygus]