*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A FORWARD -d 168.63.129.16/32 -p tcp -m tcp --dport 80 -m comment --comment "block traffic to 168.63.129.16 for cve-2021-27075" -j DROP
-A OUTPUT -d 168.63.129.16/32 -p tcp -m owner --uid-owner 0 -j ACCEPT
-A OUTPUT -d 168.63.129.16/32 -p tcp -m conntrack --ctstate INVALID,NEW -j DROP
COMMIT