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I am moving from telephone DSL, (PPOE) to cable, static or dynamic Ethernet connection through standard cable modem. I am using version 6.9.0 (final).

I have a lot of port forwards in my PPOE config for cameras, telephone (sip/iax) etc. When I move over to Cable, I have great Internet but I cannot get into my cameras and my IAX won't connect from the Internet (outside) in. I am using ports that are not suppossed to blocked by Comccast/xFinity, i.e IAX 4049, 8082 and up and etc. I have no problems connecting out on any of those ports. But when I am off property I cannot get in.

Do I need to delete my port forwarding rules and recreate them now that I have an Ethernet connection and no longer using the PPP connection?

Thanks

John
Thursday, October 05 2017, 11:10 PM
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  • Accepted Answer

    Friday, October 06 2017, 08:23 PM - #Permalink
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    ARGHH!!! I HATE Cable! Well... maybe

    So, today I again start to work on my move from DSL to Cable and swapped over doing exactly what I did yesterday a million times and prior to my post.

    Today, or at least right this minute, everything in working flawlessly!!! All ports are coming in and forwarding.

    SO... not sure what to think above Comcast/xFinity. A big plus is that it is about 10 times faster than DSL, (CenturyLink) in my area.

    Again, thanks Nick!

    John
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  • Accepted Answer

    Friday, October 06 2017, 05:13 PM - #Permalink
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    Thanks Nick. Will try with this stuff later today and let you know. I really appreciate the help and input!

    John
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  • Accepted Answer

    Friday, October 06 2017, 09:07 AM - #Permalink
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    You should not have to change any port forwards if done through the webconfig. Deleting the PPPoE interface should have reset the interface to Ethernet/DHCP and you then acquire a public IP which seems to be OK. This should restart the firewall to pick up the new details.

    You can try a manual restart of the firewall with a "service firewall restart". Then what is the result of the two commands:
    iptables -nvL
    iptables -nvL -t nat
    And please put the results between "code" tags (the piece of paper icon with a <> on it).
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  • Accepted Answer

    Friday, October 06 2017, 05:48 AM - #Permalink
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    Researching the modem, which is a Motorola Arris SB6141. According to all the info I could find, It is a bridge modem, no other way around it. It's in bridge mode all the time. Oh.. and using this type modem before elsewhere, I never had any issues with port forwarding but was always from a fresh setup.

    So... any other thoughts? Thought I'd ask before I delete a few and check a few.

    John
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  • Accepted Answer

    Friday, October 06 2017, 04:52 AM - #Permalink
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    Thanks Tony. It is in a bridge mode... or supposed to be. I obtain a public IP within a public IP range, not some internal type NAT range, as I can ping the IP directly. BUT, I will find out for sure.

    John
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  • Accepted Answer

    Friday, October 06 2017, 02:23 AM - #Permalink
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    It is not clear from your append whether the cable modem is configured for bridge or NAT mode..
    If NAT either change to bridge or use NAT and either set up port forwarding in the modem or configure for DMZ
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