리눅스 CentOS IP설정 및 방화벽 설정

vi /etc/sysconfig/network-scripts/ifcfg-eth0

service network restart

/etc/init.d/network restart

방화벽 설정

vi /etc/sysconfig/iptables

방화벽 포트 Open

-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport [port] - j ACCEPT

방화벽 포트 Close

-A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport [port] - j REJECT

service iptables restart

/etc/init.d/iptables restart