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iptables allow creation of rules to define packet filtering behavior.

13
votes
1answer
I don't understand what the RETURN target does in a iptables command. The doubt comes from this guide where it says: A chain is a set of rules that a packet is checked against sequentially. When … why do I need a RETURN? For example I found this on the internet: iptables -A PREROUTING -t mangle -i wlan0 -s 192.168.1.10 -j MARK --set-mark 30; iptables -A PREROUTING -t mangle -i wlan0 -s …
asked Mar 21 '15 by zer0uno
21
votes
1answer
I know linux has 3 built-in tables and each of them has its own chains as follow: FILTER: PREROUTING, FORWARD, POSTROUTING NAT: PREROUTING, INPUT, OUTPUT, POSTROUTING MANGLE: PREROUTING, INPUT, FOR …
asked Mar 13 '15 by zer0uno