IT System Engineer

Linux firewalld 설정 (Linux firewalld settings)

대박의신 2023. 11. 6. 12:50

# firewalld settings

systemctl disable firewalld
systemctl stop firewalld
systemctl status firewalld

systemctl enable firewalld
systemctl restart firewalld

sudo firewall-cmd  --get-zones

 

firewall-cmd --list-all-zone
firewall-cmd --get-default-zone
firewall-cmd --zone=public --list-all

firewall-cmd --reload

firewall-cmd --add-icmp-block=echo-request
firewall-cmd --zone=public --list-all
firewall-cmd --remove-icmp-block=echo-request
firewall-cmd --list-ports

 

 

# inbound Any Allow

firewall-cmd --zone=trusted --add-source=0.0.0.0/0

sudo firewall-cmd --permanent --add-port=1-65535/tcp
sudo firewall-cmd --permanent --add-port=1-65535/udp

 

# 추가

 

sudo firewall-cmd --permanent --add-port=80/tcp
sudo firewall-cmd --permanent --add-port=81/tcp
sudo firewall-cmd --permanent --add-port=82/tcp

 

# 제거

sudo firewall-cmd --permanent --remove-port=80/tcp
sudo firewall-cmd --permanent --remove-port=81/tcp
sudo firewall-cmd --permanent --remove-port=82/tcp

 

sudo firewall-cmd --reload