33 lines
1.2 KiB
Bash
33 lines
1.2 KiB
Bash
#!/bin/sh
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export PATH=/sbin:/bin:/usr/sbin:/usr/bin
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if [ "$IFACE" = "{{ interface }}" ]; then
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iptables -F FORWARD
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ip6tables -F FORWARD
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iptables -P FORWARD DROP
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ip6tables -P FORWARD DROP
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iptables -A FORWARD -m state --state ESTABLISHED -j ACCEPT
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ip6tables -A FORWARD -m state --state ESTABLISHED -j ACCEPT
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# loopback
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iptables -A FORWARD -i lo -j ACCEPT
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ip6tables -A FORWARD -i lo -j ACCEPT
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# DNS
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iptables -A FORWARD -i $IFACE -p udp --dport 53 -j ACCEPT
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ip6tables -A FORWARD -i $IFACE -p udp --dport 53 -j ACCEPT
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# NTP
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iptables -A FORWARD -i $IFACE -p udp --dport 123 -j ACCEPT
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ip6tables -A FORWARD -i $IFACE -p udp --dport 123 -j ACCEPT
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# collectd
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iptables -A FORWARD -i $IFACE -p udp --dport 25826 -j ACCEPT
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ip6tables -A FORWARD -i $IFACE -p udp --dport 25826 -j ACCEPT
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# downloads.openwrt.org
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iptables -A FORWARD -i $IFACE --dest 176.9.48.73 -j ACCEPT
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ip6tables -A FORWARD -i $IFACE --dest 2a01:4f8:150:6449::2 -j ACCEPT
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# radius.hq.c3d2.de
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iptables -A FORWARD -i $IFACE --dest 172.22.99.22 -j ACCEPT
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# Deny by default
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iptables -A FORWARD -j REJECT
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ip6tables -A FORWARD -j REJECT
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fi
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