[ubuntu-za] Advice troubleshooting ssh over the net

[Wesley Werner]

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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>>
>>
>
>
> --
> Regards,
> Anton May
>
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