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How to block an IP address with ufw on Ubuntu Linux server

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I am using UFW to manage firewall on my Ubuntu Linux 12.04/14.04 LTS server. I need to block a specific IP address from accessing my server. How do I block an IP address using ufw? UFW (Uncomplicated Firewall) is a front-end for iptables and is particularly well-suited for a single server or host-based firewalls. It […]


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