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- *nat
- :PREROUTING ACCEPT [0:0]
- :POSTROUTING ACCEPT [0:0]
- :OUTPUT ACCEPT [0:0]
-
- # Redirect any tcp that is not:
- # - tor client itself
- # - localhost traffic
- # - redsocks traffic to tor socks
- -A OUTPUT -m owner --uid-owner debian-tor -j RETURN
- -A OUTPUT -d 127.0.0.0/8 -j RETURN
- -A OUTPUT -m owner --uid-owner redsocks -p tcp -m tcp --dport 9040 -j RETURN
- -A OUTPUT ! -p tcp -j RETURN
-
- # redirect
- -A OUTPUT -p tcp -j MARK --set-mark 0x888
- -A OUTPUT -p tcp -j REDIRECT --to-port 9040
-
- COMMIT
-
- *filter
- :INPUT ACCEPT [0:0]
- :FORWARD ACCEPT [0:0]
- :OUTPUT ACCEPT [0:0]
-
- -A INPUT -p tcp -m state --state ESTABLISHED,RELATED -j ACCEPT
- -A INPUT -p udp -m state --state ESTABLISHED,RELATED -j ACCEPT
- -A INPUT -i lo -j ACCEPT
-
- -A FORWARD -j DROP
-
- -A OUTPUT -m mark --mark 0x0 -o lo -j MARK --set-mark 0x127
- -A OUTPUT -m mark --mark 0x0 -d 127.0.0.0/8 -j MARK --set-mark 0x127
-
- -A OUTPUT -m mark --mark 0x0 -m owner --uid-owner root -p udp -m udp --sport 68 --dport 67 -d 255.255.255.255 -j MARK --set-mark 0x777
- -A OUTPUT -m mark --mark 0x0 -m owner --uid-owner root -p udp -m udp --sport 68 --dport 67 -d 10.0.0.0/8 -j MARK --set-mark 0x777
- -A OUTPUT -m mark --mark 0x0 -m owner --uid-owner root -p udp -m udp --sport 68 --dport 67 -d 192.168.0.0/16 -j MARK --set-mark 0x777
-
- # tor can go out
- -A OUTPUT -m mark --mark 0x0 -m owner --uid-owner debian-tor -j MARK --set-mark 0x777
-
- # ntp can go out, required for tor
- -A OUTPUT -m mark --mark 0x0 -p udp -m udp --sport 123 --dport 123 -j MARK --set-mark 0x777
-
- # any other udp will be dropped
- -A OUTPUT -m mark --mark 0x0 -p udp -j MARK --set-mark 0x666
-
- # any other tcp will be redsock'ed
- -A OUTPUT -m mark --mark 0x0 -p tcp -j MARK --set-mark 0x888
-
- #-A OUTPUT -m mark --mark 0x666 -j LOG --log-prefix "0x666: "
- -A OUTPUT -m mark --mark 0x666 -j DROP
-
- #-A OUTPUT -m mark --mark 0x777 -j LOG --log-prefix "0x777: "
- -A OUTPUT -m mark --mark 0x777 -j ACCEPT
-
- #-A OUTPUT -m mark --mark 0x888 -j LOG --log-prefix "0x888: "
- -A OUTPUT -m mark --mark 0x888 -j ACCEPT
-
- #-A OUTPUT -m mark --mark 0x127 -j LOG --log-prefix "0x127: "
- -A OUTPUT -m mark --mark 0x127 -j ACCEPT
-
- #-A OUTPUT -j LOG --log-prefix "DROP: "
- -A OUTPUT -j DROP
-
- COMMIT
|
