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Trouble accessing my home router from interweb

  • 30-08-2019 8:47pm
    #1
    meep
    Registered Users, Registered Users 2 Posts: 1,291 ✭✭✭


    I run a few services on my network that I need to access from outside the home from time to time.

    I've set up openvpn for this and port-forwarded the necessary ports on my (eir) router.

    This worked fine in the past, but I didn't use it for a few months and now, it's not working.

    Digging into it a bit, I find I cannot even ping my IP from outside. When I try to traceroute, it ends at an eir IP (not mine), as if firewalled.

    Any thoughts on why this might be? I should at least be able to ping my IP, I would have thought?


Comments

  • #2
    ItHurtsWhenIP
    Registered Users, Registered Users 2 Posts: 2,074 ✭✭✭ItHurtsWhenIP


    Have you a fixed IP address with eir?


  • #3
    meep
    Registered Users, Registered Users 2 Posts: 1,291 ✭✭✭meep


    ItHurtsWhenIP wrote: »
    Have you a fixed IP address with eir?

    No, it’s dynamic, but hardly ever changes.


  • #4
    CoBo55
    Registered Users, Registered Users 2 Posts: 9,341 ✭✭✭CoBo55


    meep wrote: »
    No, it’s dynamic, but hardly ever changes.

    Looks like it has changed.


  • #5
    meep
    Registered Users, Registered Users 2 Posts: 1,291 ✭✭✭meep


    CoBo55 wrote: »
    Looks like it has changed.

    No, it hasn’t.

    The ip is reported in the router UI, and that’s what I’m pinging. I also use DuckDNS which updates every 15 minutes. The ip hasn’t changed there in 4 months. Whatsmyip reports the same address.

    That’s not the cause.


  • #6
    ED E
    Registered Users, Registered Users 2 Posts: 36,169 ✭✭✭✭ED E


    The router was likely updated, configure it again.


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  • #7
    meep
    Registered Users, Registered Users 2 Posts: 1,291 ✭✭✭meep


    ED E wrote: »
    The router was likely updated, configure it again.

    Thanks for the idea. I had a look and all my configs are there as before and it reports IP same as it has been for months.

    I'll try rebooting it to get a new IP, but I've had little luck with that in the past, even after waiting for hours. between off and on.


  • #8
    CoBo55
    Registered Users, Registered Users 2 Posts: 9,341 ✭✭✭CoBo55


    meep wrote: »
    No, it hasn’t.

    The ip is reported in the router UI, and that’s what I’m pinging. I also use DuckDNS which updates every 15 minutes. The ip hasn’t changed there in 4 months. Whatsmyip reports the same address.

    That’s not the cause.

    Would have been helpful had you said that in the op, rather than being so curt.


  • #9
    Lucifer
    Registered Users, Registered Users 2 Posts: 1,467 ✭✭✭Lucifer


    I have had similar experience with the eir f2000 in two different locations. When I first set up the port forward it worked fine for a while and then stopped. I changed openvpn to use a different port and then port forwarded that and all working again. I think it was originally on 1443 and when that stopped I changed to port 1194.

    Not sure why it worked for a while and then stopped.


  • #10
    meep
    Registered Users, Registered Users 2 Posts: 1,291 ✭✭✭meep


    Lucifer wrote: »
    I have had similar experience with the eir f2000 in two different locations. When I first set up the port forward it worked fine for a while and then stopped. I changed openvpn to use a different port and then port forwarded that and all working again. I think it was originally on 1443 and when that stopped I changed to port 1194.

    Not sure why it worked for a while and then stopped.

    I can try that, but even a ping to the bare IP fails, and that's before any ports or port forwarding come in to the equation.


  • #11
    tsue921i8wljb3
    Closed Accounts Posts: 5,017 ✭✭✭tsue921i8wljb3


    meep wrote: »
    I can try that, but even a ping to the bare IP fails, and that's before any ports or port forwarding come in to the equation.

    In the F2000:

    Internet > Network Security > ACL > ICMP (WAN)

    Is that enabled?


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  • #12
    meep
    Registered Users, Registered Users 2 Posts: 1,291 ✭✭✭meep


    Allie Warm Guitarist wrote: »
    In the F2000:

    Internet > Network Security > ACL > ICMP (WAN)

    Is that enabled?

    Hi

    Thanks for that pointer. This had been enabled for LAN only. I added WAN, and it has enabled external pings to the IP. Progress, but OpenVPN or any other apps or services, including Traceroute, still cannot gain access.

    I'll progress a reboot to see if I can force a different IP address.


  • #13
    meep
    Registered Users, Registered Users 2 Posts: 1,291 ✭✭✭meep


    Well, it took a full factory reset of the F2000 to resolve the issue. Even after the reset and a wait of >1 hr, Ive still got the same IP address, but now, magically, openVPN is working again. I guess there must have been some setting somewhere out of whack.

    Thanks for all the tips and help.


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