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Leopard - Forwarding ports with Internet Sharing
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Fresh-Faced Recruit
Join Date: Feb 2009
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My Leopard machine acts as the Internet gateway for the rest of my network since I use a USB based EVDO dongle for my Internet connection
->-(ppp)- Internet on Mac (en0)->- Router --> LAN systems
Now I need to forward some ports including port 80 from the Mac ppp connection to the Router (one of my LAN systems runs ubuntu and acts as a webserver + some other services)
Unfortunately, the Internet sharing application in Leopard is quite crippled and barely allows me any configuration options
Any pointers please?
(Last edited by superczar; Feb 9, 2009 at 05:16 PM.
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Moderator 
Join Date: Oct 2001
Location: San Jose, CA
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Welcome to our forums!
If you have a router, why don't you set up the port forwarding on it?
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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Posting Junkie
Join Date: Oct 2005
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Covered years ago... search the forum before posting.
Originally Posted by ibook_steve
If you have a router, why don't you set up the port forwarding on it?
"I use a USB based EVDO dongle"
The router is probably just acting as a switch.
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Moderator 
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Originally Posted by mduell
The router is probably just acting as a switch.
"Probably." The OP doesn't say.
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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^^ Actually , I did
My Leopard machine acts as the Internet gateway for the rest of my network since I use a USB based EVDO dongle for my Internet connection
The router can (and used to forward ports as expected before I switched from my DSL provider (poor service speeds..less than 1/2 mbps) to the new EVDO service provider (averages over 2 mbps)
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Moderator 
Join Date: Oct 2001
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Just because you use the USB EVDO dongle for your connection doesn't mean that the router was being used as a switch. All packets still come in, go through your machine, through the router, and go to the other machines. I don't see why you don't just continue using port forwarding on the router.
Steve
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Celebrating 10 years and 4000 posts on MacNN!
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Posting Junkie
Join Date: Oct 2005
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Originally Posted by ibook_steve
Just because you use the USB EVDO dongle for your connection doesn't mean that the router was being used as a switch. All packets still come in, go through your machine, through the router, and go to the other machines. I don't see why you don't just continue using port forwarding on the router.
Because that wouldn't solve his problem, with another router (the iMac) upstream of the router. He'd still need to do the port forwarding on his iMac, which is providing NAT services.
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