CentOS Linux Firewall (OS방화벽 설정)

Linux 7 

1. 추가
firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="0.0.0.0/0" service name="http" accept'
firewall-cmd --permanent --zone=public --add-rich-rule='rule family="ipv4" source address="1.1.1.1" port port="22" protocol="tcp" accept'

2. 리스트 확인
firewall-cmd --zone=public --list-all

3. 설정 후 reload
firewall-cmd --reload

4. 삭제
firewall-cmd --permanent --zone=public --remove-rich-rule='rule family="ipv4" source address="1.1.1.1" port port="22" protocol="tcp" accept'

 

Linux 6

1. 추가
iptables -I RH-Firewall-1-INPUT 10 -s 1.214.220.9/32 -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT

2. 삭제
iptables -D RH-Firewall-1-INPUT -s 1.231.85.46 -j ACCEPT

3. 저장
service iptables save

4. 재시작
service iptables restart