get to internal sharepoint site through OWA

I have a customer who has an internal sharepoint site they are using as their Intranet.  What they woud like is a way to access this site from outside of the company.  Since they have an exchange server, and OWA which is accessible externally, I was hoping we could change the default site when someone tries to access OWA, and put a link that gives them the option of going to OWA, or to the sharepoint site.  I would think some routing would be necessary so the internal addresses resolve correctly.  Is this possible?  Is there another way to accomplish this without putting their sharepoint site externally with its own IP address?  It is hosted on a server that is inside the firewall, and all URL's are internal.  I would think since OWA accesses internal data, maybe we can integrate sharepoint into OWA somehow?

Thanks in advance
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Justin SmithSr. System EngineerCommented:
Unfortunately what you want to do will not work.  If you don't want to give it a public IP, your only option is to use VPN, Server 2008 RD Services, ISA Server, or port forwarding on your router.  The port forwrading would only work on non standard ports, since you are using OWA.

Otherwise, you are going to need a public IP and URL for your SharePoint site to get to it externally.
jplatt1Author Commented:
Thanks - we are thinking RDP may be the best way to go, but are looking for some other ideas to show the customer.  I am trying to understand how we would go about using port forwarding to accomplish this.  I understand you can forward ports to specific servers inside the domain, but on a site like this, wouldnt all of the links on the site then need to be dynamic, and not absolute links?  i.e.  servername/page2.aspx would need to be /page2.aspx?  otherwise they would get redirected and it wouldnt work anyways, correct?
Justin SmithSr. System EngineerCommented:
I'm guessing you are kinda green with SharePoint and networking :)

If you're SharePoint site was accessed over say, port 8080, if you set up port forwarding on your router to send all traffic over port 8080 to your SharePoint server, you would be all set.  I'll just leave it at that.

Don't worry about the links.

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jplatt1Author Commented:
Thanks for the input, we got it going.
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