$ iptables
sh: 1: iptables: not found
$ sudo iptables
[sudo] password for [redacted]:
sudo: iptables: command not found
$ /sbin/iptables
sh: 3: /sbin/iptables: not found
$ sudo /sbin/iptables
sudo: /sbin/iptables: command not found
iptables was removed from my computer somehow. How would I access it?