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Why SSH works only on the standard port?

Posted April 21, 2015 5.7k views
UbuntuGetting StartedSecurity

When I change the Port in /etc/ssh/sshd_config I get “Connection refused” error. When Port is 22 I can connect to server without any problems. How to fix it?

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yutkin
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yutkin

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yutkin April 23, 2015

up

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joelerr December 10, 2017

For others that have this problem: Try using the IP address.
I had just transferred the domain to cloudflare and cloudflare blocks everything except http/s traffic.
To fix that, use the IP address directly or add a ssh.example.com entry to your DNS records. Or just use your local ~/.ssh/config to set your Host setting to your IP.

Don’t forget firewalls:

  • UFW firewall rules on server.
  • Server Pilot Firewall
  • Local Firewalls ( antivirus, windows)
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