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FreeKB - iptables articles
iptables articles
Getting Started with iptables in Linux
iptables command
add a rule (-A --append -I --insert)
allow ICMP
allow lo interface
allow SSH
drop rule
flush rules (-F or --flush)
iptables-save command
listing rules (-L or --list)
reload iptables using the iptables-restore command
remove a rule (-D --delete)