commit
						92f2b177ec
					
				@ -1,51 +0,0 @@
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#!/bin/bash
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# Version 1.6
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# Parameter setzen
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GATEWAY1ext=185.66.193.105
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GATEWAY2ext=185.66.193.106
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GATEWAY1=10.188.255.5
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GATEWAY2=10.188.255.6
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GATEWAY1v6=2a03:2260:121::255:5
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GATEWAY2v6=2a03:2260:121::255:6
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IP=/sbin/ip
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PING=/bin/ping
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BATCTL=/usr/local/sbin/batctl
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#if [ "hostname = troisdorf1 | troisdorf2" ]
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if [ $(hostname) = "troisdorf1" ] || [ $(hostname) = "troisdorf2" ]
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    then
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        DEFAULT_GATEWAY=$GATEWAY1
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	DEFAULT_GATEWAYext=$GATEWAY1ext
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        FALLBACK_GATEWAY=$GATEWAY2
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	FALLBACK_GATEWAYext=$GATEWAY2ext
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	DEFAULT_GATEWAYv6=$GATEWAY1v6
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	FALLBACK_GATEWAYv6=$GATEWAY2v6
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    else
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        DEFAULT_GATEWAY=$GATEWAY2
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	DEFAULT_GATEWAYext=$GATEWAY2ext
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        FALLBACK_GATEWAY=$GATEWAY1
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        FALLBACK_GATEWAYext=$GATEWAY1ext
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	DEFAULT_GATEWAYv6=$GATEWAY2v6
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	FALLBACK_GATEWAYv6=$GATEWAY1v6
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fi
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if $PING -c 1 $DEFAULT_GATEWAYext
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        then
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                $IP route replace default via $DEFAULT_GATEWAY table 42
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                $IP -6 route replace default via $DEFAULT_GATEWAYv6 table 42
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                $BATCTL gw server 100Mbit/100Mbit
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                echo "Gateway erreichbar"
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        else
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        if $PING -c 1 $FALLBACK_GATEWAYext
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            then
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                $IP route replace default via $FALLBACK_GATEWAY table 42
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                $IP -6 route replace default via $FALLBACK_GATEWAYv6 table 42
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                $BATCTL gw server 80Mbit/80Mbit
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                echo "Nun FALLBACK_GATEWAY"
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            else
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                $BATCTL gw off
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                #Kein Gateway erreichbar, batctl gw off
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        fi
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fi
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@ -1,55 +0,0 @@
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#!/bin/sh
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# Version 6
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# Der servername muss mit einer einstelligen Zahl aufhoeren!!!!!
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communityname="troisdorf"
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server="troisdorf1 troisdorf2 troisdorf3 troisdorf4 troisdorf5 troisdorf6 troisdorf7 troisdorf8 troisdorf9"
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#server="troisdorf7 {{ sn_hostname }}"
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domain="freifunk-troisdorf.de"
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mtu={{ sn_mtu }}
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# community MAC address, without the last Byte (:)!
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communitymacaddress="a2:8c:ae:6f:f6"
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tunnelPrefix=10
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sessionPrefix=1
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# Netzwerkteil des Netzes, ohne abschliessenden Punkt
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communitynetwork="10.188"
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# IPv6 network
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#communitynetworkv6="fda0:747e:ab29:7405:255::"
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communitynetworkv6="2a03:2260:121::"
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# Drittes Octet des serverbereichs
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octet3rd="255"
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# CIDR muss /16 sein
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localserver=$(/bin/hostname)
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batadv=/usr/local/sbin/batadv-vis
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batctl=/usr/local/sbin/batctl
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ip=/sbin/ip
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dig=/usr/bin/dig
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for i in $server; do
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(
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        for j in $server; do
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                if [ $i  != $j ]; then
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                        if [ $i = $localserver ]; then
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                                 ip l2tp add tunnel remote $($dig +short $j.$domain) local $(/bin/hostname  -I | /usr/bin/cut -f1 -d' ') tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} peer_tunnel_id $tunnelPrefix${j#$communityname}${i#$communityname} encap udp udp_sport 300${i#$communityname}${j#$communityname} udp_dport 300${j#$communityname}${i#$communityname}
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                                 ip l2tp add session name l2tp-$j tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} session_id $sessionPrefix${i#$communityname}${j#$communityname} peer_session_id $sessionPrefix${j#$communityname}${i#$communityname}
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                                 #ip link set address $communitymacaddress:${i#$communityname}${j#$communityname} dev l2tp-$j
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                                 ip link set dev l2tp-$j mtu $mtu
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                                 ip link set up l2tp-$j
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                                 $batctl if add l2tp-$j
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                        fi
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                fi
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        done
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)
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done
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# Rest starten
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$ip link set address $communitymacaddress:0${localserver#$communityname} dev bat0
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#$ip link set address $communitymacaddress:ff dev bat0
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$ip link set up dev bat0
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$ip addr add $communitynetwork.$octet3rd.${localserver#$communityname}/16 broadcast $communitynetwork.255.255 dev bat0
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$ip -6 addr add $communitynetworkv6$octet3rd:${localserver#$communityname}/64 dev bat0
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/usr/bin/killall batadv-vis
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/bin/sleep 15
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$batadv -i bat0 -s > /dev/null 2>&1 &
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/usr/sbin/service bind9 restart
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/usr/local/sbin/batctl gw server 100Mbit/100Mbit
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@ -1,56 +0,0 @@
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#!/bin/sh
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# Version 5
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# Der servername muss mit einer einstelligen Zahl aufhoeren!!!!!
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communityname="troisdorf"
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server="troisdorf0 troisdorf1 troisdorf2 troisdorf3 troisdorf4 troisdorf5 troisdorf6 troisdorf7 troisdorf8 troisdorf9"
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#server="troisdorf0 {{ sn_hostname }}"
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domain="freifunk-troisdorf.de"
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mtu={{ sn_mtu }}
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# community MAC address, without the last Byte (:)!
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communitymacaddress="a2:8c:ae:6f:f6"
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tunnelPrefix=10
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sessionPrefix=1
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# Netzwerkteil des Netzes, ohne abschliessenden Punkt
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communitynetwork="10.188"
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# IPv6 network
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communitynetworkv6="fda0:747e:ab29:7405:255::"
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# Drittes Octet des serverbereichs
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octet3rd="255"
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# CIDR muss /16 sein
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localserver=$(/bin/hostname)
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batadv=/usr/local/sbin/batadv-vis
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alfred=/usr/local/sbin/alfred
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batctl=/usr/local/sbin/batctl
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ip=/sbin/ip
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dig=/usr/bin/dig
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for i in $server; do
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(
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        for j in $server; do
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                if [ $i  != $j ]; then
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                        if [ $i = $localserver ]; then
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                                 ip l2tp add tunnel remote $($dig +short $j.$domain) local $(/bin/hostname  -I | /usr/bin/cut -f1 -d' ') tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} peer_tunnel_id $tunnelPrefix${j#$communityname}${i#$communityname} encap udp udp_sport 300${i#$communityname}${j#$communityname} udp_dport 300${j#$communityname}${i#$communityname}
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                                 ip l2tp add session name l2tp-$j tunnel_id $tunnelPrefix${i#$communityname}${j#$communityname} session_id $sessionPrefix${i#$communityname}${j#$communityname} peer_session_id $sessionPrefix${j#$communityname}${i#$communityname}
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                                 #ip link set address $communitymacaddress:${i#$communityname}${j#$communityname} dev l2tp-$j
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                                 ip link set dev l2tp-$j mtu $mtu
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                                 ip link set up l2tp-$j
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                                 $batctl if add l2tp-$j
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                        fi
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                fi
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        done
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)
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done
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# Rest starten
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$ip link set address $communitymacaddress:0${localserver#$communityname} dev bat0
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#$ip link set address $communitymacaddress:ff dev bat0
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$ip link set up dev bat0
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$ip addr add $communitynetwork.$octet3rd.${localserver#$communityname}/16 broadcast $communitynetwork.255.255 dev bat0
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$ip -6 addr add $communitynetworkv6${localserver#$communityname}/64 dev bat0
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/usr/bin/killall alfred
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/usr/bin/killall batadv-vis
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/bin/sleep 5
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$alfred -i bat0 > /dev/null 2>&1 &
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/bin/sleep 15
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$batadv -i bat0 -s > /dev/null 2>&1 &
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@ -1,74 +0,0 @@
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#!/bin/sh
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# Version 1.7
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curl -X POST --data-urlencode 'payload={"text": "{{ sn_hostname }} is rebooted", "channel": "#technik", "username": "{{ sn_hostname }}", "icon_emoji": ":floppy_disk:"}' https://hooks.slack.com/services/{{ slack_token }}
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# Block RFC1918 and APIPA destination via WAN
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/sbin/iptables -P OUTPUT ACCEPT
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for i in 10.0.0.0/8 172.16.0.0/12 169.254.0.0/16 192.168.0.0/16; do
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/sbin/iptables -A OUTPUT -o eth0 -d $i -j DROP
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done
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# Activate IP forwarding
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/sbin/sysctl -w net.ipv6.conf.all.forwarding=1
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/sbin/sysctl -w net.ipv4.ip_forward=1
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# restart when kernel panic
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/sbin/sysctl kernel.panic=1
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# Stop tunneldigger until bat0 is up
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/usr/sbin/service tunneldigger stop
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# Routing table 42
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/bin/grep 42 /etc/iproute2/rt_tables || /bin/echo 42 ffrl >> /etc/iproute2/rt_tables
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# Set table for traffice with mark 4
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/bin/ip rule add fwmark 0x4 table 42
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/bin/ip -6 rule add fwmark 0x4 table 42
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# Set mark 4 to Freifunk traffic
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/sbin/iptables -t mangle -A PREROUTING -s 10.0.0.0/8 ! -d 10.0.0.0/8 -j MARK --set-mark 4
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/sbin/ip6tables -t mangle -A PREROUTING -s 2a03:2260:121::/48 ! -d 2a03:2260:121::/48 -j MARK --set-mark 4
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/sbin/ip6tables -t mangle -A PREROUTING -s 2a03:2260:121::/64 ! -d 2a03:2260:121::/64 -j MARK --set-mark 4
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# NAT on eth0
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/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
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# All from FF IPv4 via routing table 42
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/bin/ip rule add from 185.66.193.104/30 lookup 42
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/bin/ip -6 rule add from  2a03:2260:121::/64 lookup 42
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# Allow MAC address spoofing
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/sbin/sysctl net.ipv4.conf.bat0.rp_filter=0
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# Create Tunneldigger Bridge
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/sbin/brctl addbr br-nodes
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/sbin/ip link set dev br-nodes up
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/sbin/ebtables -A FORWARD --logical-in br-nodes -j DROP
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/usr/local/sbin/batctl if add br-nodes
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sleep 5
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# Fixing the nf_conntrack … dropping packets error
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# hashsize = nf_conntrack_max / 4
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sysctl -w net.netfilter.nf_conntrack_max=131072
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echo 32768 > /sys/module/nf_conntrack/parameters/hashsize
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# Against Denial of Service attacks from internal network
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# Check with: sysctl -a | grep conntrack | grep timeout
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sysctl -w net.ipv4.netfilter.ip_conntrack_generic_timeout=240
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sysctl -w net.ipv4.netfilter.ip_conntrack_tcp_timeout_established=54000
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# Start tunneldigger
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/bin/systemctl restart tunneldigger
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/bin/systemctl enable tunneldigger
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# radvd restart
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/bin/systemctl restart radvd
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/bin/systemctl enable radvd
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# restart DHCP
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/bin/systemctl restart isc-dhcp-server
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/bin/systemctl enable isc-dhcp-server
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exit 0
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