[ubuntu-za] Advice troubleshooting ssh over the net

Anton May antonmay at gmail.com
Mon Jul 31 12:32:50 UTC 2017


Sent you a google hangouts request. Going to be easier

On 31 July 2017 at 14:29, Wesley Werner <wesley.werner at gmail.com> wrote:

> Thanks Anton, Yes I am using the WAN IP address.
>
>
> On Mon, Jul 31, 2017 at 2:21 PM, Anton May <antonmay at gmail.com> wrote:
>
>> Hi Wesley
>>
>> Although you have stated that you have done the port forwarding, I
>> suspect somewhere is a misconfig. Let's first eliminate DNS, have you tried
>> to ssh via the WAN IP address?
>>
>> Anton
>>
>> On 31 July 2017 at 14:13, Wesley Werner <wesley.werner at gmail.com> wrote:
>>
>>> Hi folks. Is everyone good?
>>>
>>> I am traveling outside the country for business soon and thought it nice
>>> to remotely administer my headless server at home. I only need ssh access.
>>>
>>> I have:
>>>
>>> 1) Ubuntu 16.04 that gets assigned a static IP on my LAN
>>> 2) set up SSH access using public key authentication (no password access)
>>> 3) set up the no-ip dynamic dns service
>>>
>>> I can confirm:
>>>
>>> 1) ssh to the server from two other machines on my LAN works
>>> 2) the no-ip service runs and updates my IP. I can see syslog indicate
>>> the IP update, and verify this on the no-ip website dashboard, which
>>> reflects my router's IP
>>>
>>> I cannot ssh into the server using the no-ip domain name or my external
>>> IP address. I figured since ssh works on the LAN I can rule out the Ubuntu
>>> firewall, so I focused my attention to the router NAT:
>>> I added a port forward setting on my router for ssh port 22, pointing it
>>> to my server's static IP on the LAN (this guide provided the steps for my
>>> router model [1]). This did not change anything, I still cannot ssh to my
>>> server. I used a couple online port checkers that say port 22 is open.
>>>
>>> The message I get is: ssh: connect to host port 22: Connection timed out
>>>
>>> any tips in the right direction will be appreciated :)
>>>
>>> Wes
>>>
>>>
>>> [1]: https://portforward.com/huawei/hg532f/
>>>
>>>
>>>
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>>> ubuntu-za mailing list
>>> ubuntu-za at lists.ubuntu.com
>>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-za
>>>
>>>
>>
>>
>> --
>> Regards,
>> Anton May
>>
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>>
>
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-- 
Regards,
Anton May
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