How to block IP range or country with firewalld?


How can I block IP range or entire country on CentOS 7 with FirewallD? The IP range starts with 180.76.15.* and is Chinese IP.

The command below works for single IP but not for range:

firewall-cmd --permanent --add-rich-rule="rule family='ipv4' source address='' reject" 

I tried with this command for the range but without success:

firewall-cmd --permanent --add-rich-rule=“rule family=‘ipv4’ source address=‘180.76.15/24’ reject”


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I think the correct command is:

firewall-cmd --permanent --add-rich-rule="rule family='ipv4' source address='' reject"

Pay attention to highlighted part

Yeah, I have an idea, why not utilize “UFW” or iptables (conntrack allows the user to log access).

dnf install ufw -y systemctl enable --now ufw systemctl start --now ufw

ufw enable

ufw insert 1 deny in from to any comment "Block China Access" # Blocks TCP and UDP access


iptables -I INPUT 1 -p all -s -m conntrack --ctstate NEW,RELATED,ESTABLISHED -j REJECT

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