I've checked the file, it's laid out like this: # Generated by iptables-save v1.6.0 on Fri Jun 7 09:52:06 2019 *nat :PREROUTING ACCEPT [1865:427465] :INPUT ACCEPT [1799:424165] :OUTPUT ACCEPT [3766:769237] :POSTROUTING ACCEPT [2321:449258] -A POSTROUTING -o eth0 -j MASQUERADE COMMIT # Completed on F...