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I have what appears to be weird and convoluted set of rules which work for me at the moment. Is there a way of "exporting" those and saving them to a file so that they can be restored later on in case things are messed up?

3 Answers 3

45

With suitable privilege

iptables-save > /some/file

will save your iptables configuration to /some/file

and

iptables-restore < /some/file

will restore your saved configuration from /some/file.

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  • Ah... I didnt know of those. I kept looking for some command line options!
    – siliconpi
    Sep 23, 2010 at 0:43
3

This should do the trick. It writes your rules to /etc/sysconfig/iptables; if you (re)start iptables after you do this, your rules should be there :)

/sbin/service iptables save
1

Don't you have iptables-save and iptables-restore commands ?

1
  • This tone is a bit rude my friend :) Nov 2, 2022 at 14:06

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