Iptables

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Template:Stub iptables is a program used to configure and manage the kernels netfilter modules.

Installation

Emerge

#emerge iptables

First Run

For some services such as sshguard & fail2ban you need a generic running firewall. We will save a blank firewall rule set and start the firewall.

ip v4

#rc-service iptables save
#rc-service iptables start

to start upon reboot

#rc-update add iptables default

ip v6

#rc-service ip6tables save
#rc-service ip6tables start

to start upon reboot

#rc-update add ip6tables default

Show firewall Rules & Status

ip v4

#iptables -L -n

ip v6

#ip6tables -L -n