transparent system-wide Tor iptables config

torify

*nat
:PREROUTING ACCEPT [6:2126]
:INPUT ACCEPT [0:0]
:OUTPUT ACCEPT [17:6239]
:POSTROUTING ACCEPT [6:408]

-A PREROUTING ! -i lo -p udp -m udp --dport 53 -j REDIRECT --to-ports 5353
-A PREROUTING ! -i lo -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j REDIRECT --to-ports 9040
-A OUTPUT -o lo -j RETURN
--ipv4 -A OUTPUT -d 192.168.0.0/16 -j RETURN
-A OUTPUT -m owner --uid-owner "tor" -j RETURN
-A OUTPUT -p udp -m udp --dport 53 -j REDIRECT --to-ports 5353
-A OUTPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j REDIRECT --to-ports 9040
COMMIT

*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT DROP [0:0]

-A INPUT -i lo -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
--ipv4 -A INPUT -p tcp -j REJECT --reject-with tcp-reset
--ipv4 -A INPUT -p udp -j REJECT --reject-with icmp-port-unreachable
--ipv4 -A INPUT -j REJECT --reject-with icmp-proto-unreachable
--ipv6 -A INPUT -j REJECT
--ipv4 -A OUTPUT -d 127.0.0.0/8 -j ACCEPT
--ipv4 -A OUTPUT -d 192.168.0.0/16 -j ACCEPT
--ipv6 -A OUTPUT -d ::1/8 -j ACCEPT
-A OUTPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -m owner --uid-owner "tor" -j ACCEPT
--ipv4 -A OUTPUT -j REJECT --reject-with icmp-port-unreachable
--ipv6 -A OUTPUT -j REJECT
COMMIT