[ubuntu-za] Advice troubleshooting ssh over the net

[Anton May]

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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