Difference between revisions of "Firewall Management in Linux"

Revision as of 11:52, 9 April 2018

Iptables

iptables -A INPUT -p udp --dport 161 -j ACCEPT
iptables -A INPUT -p udp --dport 162 -j ACCEPT
iptables -A INPUT -p udp --dport 1812 -j ACCEPT
iptables -A INPUT -p udp --dport 1813 -j ACCEPT
iptables -A INPUT -p udp --dport 2055 -j ACCEPT
iptables -A INPUT -p udp --dport 53 -j ACCEPT
iptables -A INPUT -p udp --dport 514 -j ACCEPT
iptables -A INPUT -p udp --dport 1645 -j ACCEPT
iptables -A INPUT -p udp --dport 2050:2060 -j ACCEPT
iptables -A INPUT -p udp --dport 510:520 -j ACCEPT
iptables -A INPUT -p tcp --dport 22 -j ACCEPT
iptables -A INPUT -p tcp --dport 54321:54330 -j ACCEPT
iptables -A INPUT -p tcp --dport 5432 -j ACCEPT
iptables -A INPUT -p tcp --dport 7902 -j ACCEPT
iptables -A INPUT -p tcp --dport 8902 -j ACCEPT
iptables -D INPUT -j REJECT --reject-with icmp-host-prohibited
/etc/init.d/iptables save
iptables -A INPUT -j REJECT --reject-with icmp-host-prohibited
/etc/init.d/iptables save

For firewalld

firewall-cmd --zone=public --permanent --add-port=5000/udp
firewall-cmd --zone=public --permanent --add-port=161/udp
firewall-cmd --zone=public --permanent --add-port=162/udp
firewall-cmd --zone=public --permanent --add-port=1812/udp
firewall-cmd --zone=public --permanent --add-port=1813/udp
firewall-cmd --zone=public --permanent --add-port=2055/udp
firewall-cmd --zone=public --permanent --add-port=53/udp
firewall-cmd --zone=public --permanent --add-port=514/udp
firewall-cmd --zone=public --permanent --add-port=1645/udp
firewall-cmd --zone=public --permanent --add-port=2050:2060/udp
firewall-cmd --zone=public --permanent --add-port=510-520/udp
firewall-cmd --zone=public --permanent --add-port=22/tcp
firewall-cmd --zone=public --permanent --add-port=54321-54330/tcp
firewall-cmd --zone=public --permanent --add-port=5432/tcp
firewall-cmd --zone=public --permanent --add-port=7902/tcp
 firewall-cmd --zone=public --permanent --add-port=8902/tcp
firewall-cmd --reload