How to manually edit ufw rules

Usually you don't want to manually edit ufw, but in this case I just needed to update an ip address across multiple ip4 and ip6 rules. Turns out there is config file that can be very carefully edited:

$ sudo vim /lib/ufw/user.rules
$ sudo vim /lib/ufw/user6.rules

Very carefully update the ip addresses and then reload ufw:

$ sudo ufw reload

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