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Cannot open port 56100 in SBS 2003

Posted on 2006-11-28
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Last Modified: 2012-06-27
I  cannot seem to get port 56100 to open in SBS 2003, I used the wizard, added the port (TCP) it says that the exeption is there, but it still is closed. I checked in R&RA under Nat/Basic Firefall and the exeption shows in the connection, but it is not really open. WHAT must i do to force this port open?
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Question by:rosariopanzarella
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by:Rob Williams
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Is it possibly your router or modem that is not "open". You may need to enable port forwarding on one of those units to the SBS, or is this for LAN use only.
What service is it your are trying to enable?
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by:rosariopanzarella
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netstat -A shows it "listening"

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Rob Williams earned 250 total points
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Then I assume port 56100 needs access to your server from the Internet. If that is the case all traffic has to be forwarded from the Internet to your SBS. You router will need to have port forwarding for port 56100 enabled, and forwarded to the SBS. If your modem is a combined router and modem, it too will need to be configured but rather to have port  forwarding for the same port forwarded to your router. You can find how to forward traffic for most routers at: http://www.portforward.com/english/applications/port_forwarding/HTTP/HTTPindex.htm
This shows for port 80, but the principal is the same.
You can also test to see if it is properly configured by connecting to  http://www.canyouseeme.org from the SBS and testing for your port.

Because of the type of traffic I expect you may have with this service, you may also need to open for UDP traffic as well.
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by:rosariopanzarella
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http://www.canyouseeme.org  stated the connection was refused????
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by:Rob Williams
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netstat indicates the server is listening/configured but not whether the network is configured. Have you enabled port forwarding? Without it, canyouseeme, nor your service, will see the port as open.
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by:rosariopanzarella
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not sure, how do you make this happen in SBS 2003, I had the T-1 Profider make sure the path was wide open
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by:Rob Williams
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>>"how do you make this happen in SBS 2003"
This is not a function of SBS but rather your routing equipment. See above for outline as to how to configure.

Other possibility is does your network use a proxy server? If so this will block traffic as well.
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by:rosariopanzarella
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Thank you, that was not really clear to me, so I will TS elsewhere. You never know with winblows, thanks!!!
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by:Rob Williams
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Very welcome. Let us know if you need further help with it.
--Rob
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Thanks rosariopanzarella,
--Rob
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