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May 31st, 2009

Saving Changes for iptables

Security, by suvi.

Whenever you make a change to your firewall, on a Fedora/CentOS type system, you will want to save the changes.
The output can be redirected to a file.
# iptables-save > /root/firewall-rules
The following command line restores all rules from /root/firewall-rules assuming that the file /root/firewall-rules exists.
# iptables-restore < /root/firewall-rules
By default, iptables-restore deletes all existing rules before restoring

Read more at Begin Linux Blog

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