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Firewall & Sharepoint over SSL

Posted on 2010-09-08
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Last Modified: 2012-05-10
Hi there

we're wondering what firewall settings we need to configure on firewall in order to access sharepoint over HTTPS.

The current situation is we can access Sharepoint application locally over HTTP and HTTPS (with self signed certificate and it's working fine). Firewall is currently configured so Sharepoint is accessible from outside over HTTP.

If we need to access Sharepoint over HTTPS from outside as well (via firewall), is it as simple as forwarding port 443 to the Sharepoint box or is there more to it (such as installing SSL certificate on the firewall ect)?

We're only looking for a generic answer not detailed firewall configuration.

Thanks
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Question by:cfpdev
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by:carlmd
ID: 33627595
If sharepoint is the only thing accessible from the given outside ip address you now use for http (port 80), then yes forward https (port 443) and that should do it.
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Author Comment

by:cfpdev
ID: 33627790
Hi there

thanks for response. Sorry it's not our office so I'm not entirely sure about the setup and configuration.

As far as I'm concern the public IP should be used only for the Sharepoint server (Inbound traffic) and it's probably used by internal users to generally browse internet.

What is possible (I'll check with those guys): they have internal Exchange server (I'm not sure if they use the same IP but I'll find out) so this could be the only other service exposed to public. Could this be a problem?

Thanks
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carlmd earned 500 total points
ID: 33628049
It sounds like they might have only one external ip address from what you are saying. If accessing this address with http puts you directly to the Sharepoint server, then it should not be a problem doing the same thing for https and port 443. Normally if they have multiple outside ip addresses then one might be assigned to only the Sharepoint server and another for say the normal web site server.

Any outgoing access would not pose a problem. Any outside access to other ports (smtp port 25, pop3 port 110 etc.)  is normal even with only one outside ip address. The only time you get into trouble is if you use say port 443 for Sharepoint and at the same ip address there was a sercure web server. Then there would be a conflict.
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Author Closing Comment

by:cfpdev
ID: 33628083
I thought so. Thanks very much for prompt answer.
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