(C) David Vajda 2025-03-26 iptables, excersize, auswendig, ... iptables chains tables tables: filter nat mangle raw chains: INPUT PREROUTING FORWARD POSTROUTING OUTPUT -A INPUT -A A PREROUTING ... Action: DROP REJECT ACCEPT LOG ... -j ACTION -d Destination Address -s Source Address -dport --destination-port -sport --source-port -p protocoll TCP/ICMP/UDP |