Questions & Answers
0
votes
1
answers
639
views
How to set up UFW firewall on Ubuntu
I want to secure my Ubuntu server with a firewall. How do I configure UFW to allow only SSH and HTTP/HTTPS?
47
votes
1
answers
1629
views
SSH connection refused - how to troubleshoot
I cannot connect to my server via SSH. I get "Connection refused" error. The server is running and I can ping it. What could be wrong?