^This^ ^is^ ^a^ ^joke,^ ^I^ ^didn't^ ^really^ ^lock^ ^myself^ ^out^
this post was submitted on 05 Aug 2025
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Before you make a change, do this in a screen-session:
sleep 300 && iptables-restore old_fw_rules.bak
permission denied
fuuuu
Found the debian user.
user permissions is a debian thing now?
A long time ago, Debian 8 or so it was a bug with Debian. Something about the command running without root despite the sudo command.
Yeah except it would be iptables-restore < old_fw_rules.bak
Fun fact: When you do iptables-save, you have to redirect the output if you want to save it to a file. But when you use iptables-restore, you don't need to pipe it back in, you can just use the filename!
It wasn't always that way. At one time you had to so I still do.
Totally! I still catch myself doing that sometimes. Old habits die hard