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Problem of Linux
Linux firewall open ports
Linux firewall open ports
firewalld:
firewall-cmd --zone=public --add-port=8080/tcp --permanent（永久开启8080端口）
firewall-cmd --reload
systemctl restart firewalld
Firewall configuration file directory:/etc/firewalld/zones/public.xml
iptables:
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
service iptables restart
Configuration file directory:/etc/sysconfig/iptables
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