In fact, ubuntu 22.04 & 24.04 use iptables-nft
iptables-nft translate the rule :
"iptables -A INPUT -i any -j DROP"
to
"iifname "any" counter packets 0 bytes 0 drop"
As there is no interface named "any" the rule is never match
So the bug is a translation bug from iptables to netfilter !!!
"
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https://bugs.launchpad.net/bugs/2084240
Title:
rules are not applied on flow
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