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I have already opened a SSH session on my PC and it worked perfectly with my laptop when connected to the same network. But now, when I'm at a different location, I can't connect.

I've already tried to edit the /etc/hosts.allow by adding

sshd : ALL : allow

But, it didn't work.
Is there something that I'm missing?

Kevin Bowen
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Joaquin
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  • You need to do port forwarding on your router (NAT). In most cases this is not related to Ubuntu and it is off-topic here. My answer from the suggested duplication explains how to do that according the common case when this question is asked :) – pa4080 Aug 22 '18 at 22:15
  • it isnt the router problem cause we used this pc as server. We changed ubuntu version from 18 to 16 and now we are having this issue. – Joaquin Aug 22 '18 at 22:30

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