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#!/bin/sh
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# $Id: alcasar-iptables-qos.sh 1469 2014-10-30 21:58:47Z richard $
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# script de mise en place des regles du parefeu d'Alcasar (mode QOS)
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# 3abtux - Rexy
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# Non adapté à ALCASAR car valable pour serveurs disposés dans le réseau LAN internet qui n'est pas notre besoin.
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# Un peu de config
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CONF_FILE="/usr/local/etc/alcasar.conf"
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EXTIF=`grep ^EXTIF= $CONF_FILE|cut -d"=" -f2` # EXTernal InterFace
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INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2` # INTernal InterFace
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TUNIF="tun0"
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private_ip_mask=`grep ^PRIVATE_IP= $CONF_FILE|cut -d"=" -f2`
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private_ip_mask=${private_ip_mask:=192.168.182.1/24}
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PRIVATE_IP=`echo $private_ip_mask | cut -d"/" -f1` # ALCASAR LAN IP address
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private_network=`/bin/ipcalc -n $private_ip_mask|cut -d"=" -f2` # LAN IP address (ie.: 192.168.182.0)
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private_prefix=`/bin/ipcalc -p $private_ip_mask|cut -d"=" -f2` # LAN prefix (ie. 24)
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PRIVATE_NETWORK_MASK=$private_network/$private_prefix # Lan IP address + prefix (192.168.182.0/24)
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TC="/sbin/tc"
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IPTABLES="/sbin/iptables"
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# Vitesse max de la connexion internet en Kbit/s
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MAX_UPLOAD="100000"
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MAX_DOWNLOAD="100000"
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FTP="50"
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WEB="100"
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SMTP="40"
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POP="60"
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DEFAULT="100"
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SPEED=$MAX_UPLOAD
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SLOW="10"
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BP_MAX=100
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BP_MIN=10
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BP_WEB=$WEB*$MAX_UPLOAD/100
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BP_FTP=$FTP*$MAX_UPLOAD/100
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BP_POP=$POP*$MAX_UPLOAD/100
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BP_SMTP=$SMTP*$MAX_UPLOAD/100
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################################################
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# Local protection rules sur SSH prioritaire #
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################################################
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$IPTABLES -A PREROUTING -t mangle -p tcp --sport ssh -j TOS --set-tos Minimize-Delay
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# Netoyage
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$TC qdisc del dev $EXTIF root >/dev/null 2>&1
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$TC qdisc del dev $EXTIF ingress >/dev/null 2>&1
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$TC qdisc del dev $TUNIF root >/dev/null 2>&1
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$TC qdisc del dev $TUNIF ingress >/dev/null 2>&1
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# Création de la classe parent:
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$TC qdisc add dev $EXTIF root handle 1: htb default 20
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$TC class add dev $EXTIF parent 1: classid 1:1 htb rate ${MAX_UPLOAD}kbit ceil ${MAX_UPLOAD}kbit burst 6k
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# Download
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$TC qdisc add dev $TUNIF root handle 2: htb
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$TC class add dev $TUNIF parent 2: classid 2:1 htb rate ${MAX_DOWNLOAD}kbit ceil ${MAX_DOWNLOAD}kbit burst 6k
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# Classe Download LIMIT
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$TC class add dev $TUNIF parent 2:1 classid 2:10 htb rate ${MAX_DOWNLOAD}kbit ceil ${MAX_DOWNLOAD}kbit burst 6k prio 9
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$TC filter add dev $TUNIF parent 2:0 protocol ip prio 9 handle 100 fw flowid 2:10
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$IPTABLES -t mangle -A FORWARD -s $PRIVATE_NETWORK_MASK -j MARK --set-mark 100
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#$IPTABLES -t mangle -A FORWARD -d $LAN_2 -j MARK --set-mark 100
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#$IPTABLES -t mangle -A FORWARD -d $LAN_3 -j MARK --set-mark 100
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#$IPTABLES -t mangle -A FORWARD -d $LAN_4 -j MARK --set-mark 100
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#$IPTABLES -t mangle -A FORWARD -d $LAN_5 -j MARK --set-mark 100
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# Classe par défaut
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$TC class add dev ${EXTIF} parent 1:1 classid 1:20 htb rate ${DEFAULT}kbit ceil ${MAX_UPLOAD}kbit burst 6k prio 3
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# Classe rapide
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$TC class add dev ${EXTIF} parent 1:20 classid 1:10 htb rate ${SPEED}kbit ceil ${MAX_UPLOAD}kbit burst 6k prio 1
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$TC filter add dev ${EXTIF} parent 1:0 protocol ip prio 1 handle 10 fw flowid 1:10
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#$IPTABLES -t mangle -A OUTPUT -p tcp --dport 6667 -j MARK --set-mark 10
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#$IPTABLES -t mangle -A FORWARD -p tcp --dport 6667 -j MARK --set-mark 10
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#$IPTABLES -t mangle -A FORWARD -p tcp --sport 6667 -j MARK --set-mark 10
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#$IPTABLES -t mangle -A FORWARD -p tcp --sport 7000 -j MARK --set-mark 10
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#$IPTABLES -t mangle -A FORWARD -p tcp --sport 6668 -j MARK --set-mark 10
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#$IPTABLES -t mangle -A FORWARD -p tcp --sport 6669 -j MARK --set-mark 10
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$IPTABLES -t mangle -A FORWARD -p icmp -j MARK --set-mark 10
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$IPTABLES -t mangle -A OUTPUT -p icmp -j MARK --set-mark 10
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$IPTABLES -t mangle -A OUTPUT -p tcp --dport 22 -j MARK --set-mark 10
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$IPTABLES -t mangle -A OUTPUT -p tcp --sport 22 -j MARK --set-mark 10
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$IPTABLES -t mangle -A FORWARD -p tcp --dport 22 -j MARK --set-mark 10
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# cs
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#$IPTABLES -t mangle -A FORWARD -p udp --sport 27005 -j MARK --set-mark 10
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# Classe LENTE
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$TC class add dev $EXTIF parent 1:1 classid 1:30 htb rate ${SLOW}kbit prio 5
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$TC filter add dev $EXTIF parent 1:0 protocol ip prio 5 handle 30 fw flowid 1:30
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#$IPTABLES -t mangle -A FORWARD -p tcp --sport 4662 -j MARK --set-mark 30
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#$IPTABLES -t mangle -A FORWARD -p udp --sport 4665 -j MARK --set-mark 30
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#$IPTABLES -t mangle -A FORWARD -p tcp --dport 4662 -j MARK --set-mark 30
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#$IPTABLES -t mangle -A FORWARD -p udp --dport 4665 -j MARK --set-mark 30
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# Classe WEB
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$TC class add dev $EXTIF parent 1:20 classid 1:21 htb rate ${WEB}kbit prio 2
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$TC filter add dev $EXTIF parent 1:0 protocol ip prio 2 handle 21 fw flowid 1:21
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$IPTABLES -t mangle -A OUTPUT -p tcp --sport 80 -j MARK --set-mark 21
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$IPTABLES -t mangle -A FORWARD -p tcp --sport 80 -j MARK --set-mark 21
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$IPTABLES -t mangle -A OUTPUT -p tcp --sport 443 -j MARK --set-mark 21
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$IPTABLES -t mangle -A FORWARD -p tcp --sport 443 -j MARK --set-mark 21
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# Classe FTP
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$TC class add dev $EXTIF parent 1:20 classid 1:22 htb rate ${FTP}kbit prio 4
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$TC filter add dev $EXTIF parent 1:0 protocol ip prio 3 handle 22 fw flowid 1:22
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$IPTABLES -t mangle -A OUTPUT -p tcp --sport 21 -j MARK --set-mark 22
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$IPTABLES -t mangle -A FORWARD -p tcp --dport 21 -j MARK --set-mark 22
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# Classe SMTP
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$TC class add dev $EXTIF parent 1:20 classid 1:23 htb rate ${SMTP}kbit prio 4
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$TC filter add dev $EXTIF parent 1:0 protocol ip prio 4 handle 23 fw flowid 1:23
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$IPTABLES -t mangle -A OUTPUT -p tcp --sport 25 -j MARK --set-mark 23
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$IPTABLES -t mangle -A OUTPUT -p tcp --dport 25 -j MARK --set-mark 23
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$IPTABLES -t mangle -A FORWARD -p tcp --dport 25 -j MARK --set-mark 23
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$IPTABLES -t mangle -A FORWARD -p tcp --sport 25 -j MARK --set-mark 23
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$TC class add dev $EXTIF parent 1:20 classid 1:210 htb rate ${POP}kbit prio 4
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$TC filter add dev $EXTIF parent 1:0 protocol ip prio 4 handle 210 fw flowid 1:210
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$IPTABLES -t mangle -A FORWARD -p tcp --sport 110 -j MARK --set-mark 210
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# End of script
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