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Daniel Winzen
2017-04-30 19:32:42 +02:00
commit e0b35fb943
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68
etc/rc.local Executable file
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#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.
#flush iptables
iptables -F
ip6tables -F
iptables -t nat -F
ip6tables -t nat -F
#allow tor traffic
for tor in 111 `seq 115 146`; do(
iptables -t nat -A OUTPUT -m owner --uid-owner $tor -j RETURN;
ip6tables -t nat -A OUTPUT -m owner --uid-owner $tor -j RETURN;
iptables -A OUTPUT -m owner --uid-owner $tor -j ACCEPT;
ip6tables -A OUTPUT -m owner --uid-owner $tor -j ACCEPT;
)done
#redirect all outgoing DNS querries to our tor
iptables -t nat -A OUTPUT -p udp --dport 53 -j REDIRECT --to-ports 53
ip6tables -t nat -A OUTPUT -p udp --dport 53 -j REDIRECT --to-ports 53
#allow querriying ntp servers (must mach /etc/systemd/timesyncd.conf
for clearnet in 88.191.68.178 51.15.142.60 51.255.197.148 91.121.181.58; do(
iptables -t nat -A OUTPUT -p udp --dport 123 -d $clearnet -j RETURN;
iptables -A OUTPUT -p udp --dport 123 -d $clearnet -j ACCEPT
)done
#unrestricted access to these IPs
for clearnet in 127.0.0.1; do(
iptables -t nat -A OUTPUT -d $clearnet -j RETURN;
iptables -A OUTPUT -d $clearnet -j ACCEPT;
) done
for clearnet in ::1; do(
ip6tables -t nat -A OUTPUT -d $clearnet -j RETURN;
ip6tables -A OUTPUT -d $clearnet -j ACCEPT;
) done
#redirect everything else
iptables -t nat -A OUTPUT -p tcp --syn -j REDIRECT --to-ports 9040
ip6tables -t nat -A OUTPUT -p tcp --syn -j REDIRECT --to-ports 9040
#accept established connections
iptables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
ip6tables -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
#allow local communication
iptables -A OUTPUT -o lo -j ACCEPT
ip6tables -A OUTPUT -o lo -j ACCEPT
#reject everything else
iptables -A OUTPUT -j REJECT
ip6tables -A OUTPUT -j REJECT
#uncomment to be able to directly connect with your own IP
#for clearnet in YOUR_IP_HERE;do(
#iptables -A INPUT -s $clearnet -j ACCEPT;
#)done
#allow established connections
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
ip6tables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
#drop everything else
iptables -A INPUT -i eth0 -j DROP
ip6tables -A INPUT -i eth0 -j DROP
exit 0