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Newest Votes Unanswered
16 votes
1
answers
1206 views

How to secure SSH with fail2ban

My server is getting too many failed SSH login attempts. How can I block them?

linux security ssh fail2ban
N
noor_code asked 4 weeks, 1 day ago
27 votes
1
answers
255 views

How to check open ports on Linux

How can I see which ports are open and listening on my server?

linux security networking ports
S
sysadmin asked 4 weeks, 1 day ago
0 votes
1
answers
661 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?

security firewall ubuntu ufw
L
linux_expert asked 4 weeks, 1 day ago
17 votes
1
answers
866 views

How to set up automatic security updates on Ubuntu

I want my Ubuntu server to automatically install security updates. How do I configure unattended-upgrades?

security ubuntu updates automation
O
omar_linux asked 4 weeks, 1 day ago

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