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Been looking where does netfilter-persistent store its rules but could not find any documentation about it on help.ubuntu.com.

Does anybody know where does netfilter-persistent in Ubuntu save its rules so it survives a reboot?

1 Answer 1

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Found it only works if you install 'iptables-persistent' package as well.

sudo apt-get install iptables-persistent netfilter-persistent

It will be saved in /etc/iptables/rules.v[4-6]

If you only install netfilter-persistent, it wont save any configuration

2
  • oh, that's why! Thanks for pointing that out. :)
    – chrone
    May 12, 2017 at 8:54
  • 2
    Actually, just sudo apt install iptables-persistent is enough. It will install netfilter-persistent as dependency automatically.
    – ruuter
    Mar 18, 2020 at 12:23

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