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How to change ssh port?

in Linux 1 comment

Summary:

I add a new ssh port, but can't connect, report "Connection refused".

Content (required):

1) Security List ->Ingress Rules -> add port 2222

2) Use http to test the port 2222, access ok.

3) sudo vim etc/ssh/sshd_config

add "Port 2222" and restart sshd.

sshd status display "Server listening on 0.0.0.0 port 2222"

4) ufw status: inactive; iptables status: inactive (dead)

5) test local : ssh -p 2222 ubuntu@localhost access ok.

6) test remote access failed, report "Connection refused".


Version (include the version you are using, if applicable):

Ubuntu 22.04

Code Snippet (add any code snippets that support your topic, if applicable):

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