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| Les deux révisions précédentes Révision précédente Prochaine révision | Révision précédente Prochaine révision Les deux révisions suivantes | ||
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doc:reseau:iptables-pare-feu-pour-une-passerelle [16/11/2014 12:33] Hypathie [Les règles du pare-feu pas à pas] |
doc:reseau:iptables-pare-feu-pour-une-passerelle [16/11/2014 12:43] Hypathie [Un pare-feu avancé pour le routeur-debian] |
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|---|---|---|---|
| Ligne 635: | Ligne 635: | ||
| iptables -t filter -A OUTPUT -o eth0 -p udp -m udp --dport 53\ | iptables -t filter -A OUTPUT -o eth0 -p udp -m udp --dport 53\ | ||
| - | -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT | + | -m state --state NEW,ESTABLISHED -j ACCEPT |
| iptables -t filter -A INPUT -i eth0 -p udp -m udp --sport 53\ | iptables -t filter -A INPUT -i eth0 -p udp -m udp --sport 53\ | ||
| - | -m state --state RELATED,ESTABLISHED -j ACCEPT | + | -m state --state ESTABLISHED -j ACCEPT |
| iptables -t filter -A OUTPUT -o eth1 -p udp -m udp --dport 53\ | iptables -t filter -A OUTPUT -o eth1 -p udp -m udp --dport 53\ | ||
| - | -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT | + | -m state --state NEW,ESTABLISHED -j ACCEPT |
| iptables -t filter -A INPUT -i eth1 -p udp -m udp --sport 53\ | iptables -t filter -A INPUT -i eth1 -p udp -m udp --sport 53\ | ||
| - | -m state --state RELATED,ESTABLISHED -j ACCEPT | + | -m state --state ESTABLISHED -j ACCEPT |
| iptables -t filter -A OUTPUT -o eth0 -p tcp -m multiport --dports\ | iptables -t filter -A OUTPUT -o eth0 -p tcp -m multiport --dports\ | ||
| - | 80,443,8000 -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT | + | 80,443,8000 -m state --state NEW,ESTABLISHED -j ACCEPT |
| iptables -t filter -A INPUT -i eth0 -p tcp -m multiport --sports\ | iptables -t filter -A INPUT -i eth0 -p tcp -m multiport --sports\ | ||
| - | 80,443,8000 -m state --state RELATED,ESTABLISHED -j ACCEPT | + | 80,443,8000 -m state --state ESTABLISHED -j ACCEPT |
| iptables -A OUTPUT -o eth1 -p tcp -m multiport --dports 80,443,8000 -j ACCEPT | iptables -A OUTPUT -o eth1 -p tcp -m multiport --dports 80,443,8000 -j ACCEPT | ||
| Ligne 789: | Ligne 789: | ||
| iptables -t filter -A FORWARD -i eth1 -o eth0 -s 192.168.1.0/24 -d 0.0.0.0/0 -p tcp\ | iptables -t filter -A FORWARD -i eth1 -o eth0 -s 192.168.1.0/24 -d 0.0.0.0/0 -p tcp\ | ||
| - | -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT | + | -m state --state NEW,ESTABLISHED -j ACCEPT |
| iptables -t filter -A FORWARD -i eth0 -o eth1 -s 0.0.0.0/0 -d 192.168.1.0/24 -p tcp\ | iptables -t filter -A FORWARD -i eth0 -o eth1 -s 0.0.0.0/0 -d 192.168.1.0/24 -p tcp\ | ||
| - | -m state --state ESTABLISHED,RELATED -j ACCEPT | + | -m state --state ESTABLISHED -j ACCEPT |
| #Si pas de DNS configurer on dé-commente les règles udp suivantes : | #Si pas de DNS configurer on dé-commente les règles udp suivantes : | ||
| #iptables -t filter -A FORWARD -i eth1 -o eth0 -s 192.168.1.0/24 -d 0.0.0.0/0 -p udp\ | #iptables -t filter -A FORWARD -i eth1 -o eth0 -s 192.168.1.0/24 -d 0.0.0.0/0 -p udp\ | ||
| - | # --dport 53 -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT | + | # --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT |
| #iptables -t filter -A FORWARD -i eth0 -o eth1 -s 0.0.0.0/0 -d 192.168.1.0/24 -p udp\ | #iptables -t filter -A FORWARD -i eth0 -o eth1 -s 0.0.0.0/0 -d 192.168.1.0/24 -p udp\ | ||
| - | # --dport 53 -m state --state ESTABLISHED,RELATED -j ACCEPT | + | # --dport 53 -m state --state ESTABLISHED -j ACCEPT |
| iptables -t filter -A FORWARD -p icmp -j ACCEPT | iptables -t filter -A FORWARD -p icmp -j ACCEPT | ||
| Ligne 866: | Ligne 866: | ||
| iptables -t filter -A FORWARD -i eth1 -o eth0 -s 192.168.1.0/24 -d 0.0.0.0/0 -p tcp\ | iptables -t filter -A FORWARD -i eth1 -o eth0 -s 192.168.1.0/24 -d 0.0.0.0/0 -p tcp\ | ||
| - | -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT | + | -m state --state NEW,ESTABLISHED -j ACCEPT |
| iptables -t filter -A FORWARD -i eth0 -o eth1 -s 0.0.0.0/0 -d 192.168.1.0/24 -p tcp\ | iptables -t filter -A FORWARD -i eth0 -o eth1 -s 0.0.0.0/0 -d 192.168.1.0/24 -p tcp\ | ||
| - | -m state --state ESTABLISHED,RELATED -j ACCEPT | + | -m state --state ESTABLISHED -j ACCEPT |
| #Si pas de DNS configurer on dé-commente les règles udp suivantes : | #Si pas de DNS configurer on dé-commente les règles udp suivantes : | ||
| #iptables -t filter -A FORWARD -i eth1 -o eth0 -s 192.168.1.0/24 -d 0.0.0.0/0 -p udp\ | #iptables -t filter -A FORWARD -i eth1 -o eth0 -s 192.168.1.0/24 -d 0.0.0.0/0 -p udp\ | ||
| - | # --dport 53 -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT | + | # --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT |
| #iptables -t filter -A FORWARD -i eth0 -o eth1 -s 0.0.0.0/0 -d 192.168.1.0/24 -p udp\ | #iptables -t filter -A FORWARD -i eth0 -o eth1 -s 0.0.0.0/0 -d 192.168.1.0/24 -p udp\ | ||
| - | # --dport 53 -m state --state ESTABLISHED,RELATED -j ACCEPT | + | # --dport 53 -m state --state ESTABLISHED -j ACCEPT |
| iptables -t filter -A FORWARD -p icmp -j ACCEPT | iptables -t filter -A FORWARD -p icmp -j ACCEPT | ||
| Ligne 899: | Ligne 899: | ||
| iptables -t filter -A OUTPUT -o eth0 -p udp -m udp --dport 53\ | iptables -t filter -A OUTPUT -o eth0 -p udp -m udp --dport 53\ | ||
| - | -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT | + | -m state --state NEW,ESTABLISHED -j ACCEPT |
| iptables -t filter -A INPUT -i eth0 -p udp -m udp --sport 53\ | iptables -t filter -A INPUT -i eth0 -p udp -m udp --sport 53\ | ||
| - | -m state --state RELATED,ESTABLISHED -j ACCEPT | + | -m state --state ESTABLISHED -j ACCEPT |
| iptables -t filter -A OUTPUT -o eth1 -p udp -m udp --dport 53\ | iptables -t filter -A OUTPUT -o eth1 -p udp -m udp --dport 53\ | ||
| - | -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT | + | -m state --state NEW,ESTABLISHED -j ACCEPT |
| iptables -t filter -A INPUT -i eth1 -p udp -m udp --sport 53\ | iptables -t filter -A INPUT -i eth1 -p udp -m udp --sport 53\ | ||
| - | -m state --state RELATED,ESTABLISHED -j ACCEPT | + | -m state --state ESTABLISHED -j ACCEPT |
| iptables -t filter -A OUTPUT -o eth0 -p tcp -m multiport --dports\ | iptables -t filter -A OUTPUT -o eth0 -p tcp -m multiport --dports\ | ||
| - | 80,443,8000 -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT | + | 80,443,8000 -m state --state NEW,ESTABLISHED -j ACCEPT |
| iptables -t filter -A INPUT -i eth0 -p tcp -m multiport --sports\ | iptables -t filter -A INPUT -i eth0 -p tcp -m multiport --sports\ | ||
| - | 80,443,8000 -m state --state RELATED,ESTABLISHED -j ACCEPT | + | 80,443,8000 -m state --state ESTABLISHED -j ACCEPT |
| iptables -A OUTPUT -o eth1 -p tcp -m multiport --dports 80,443,8000 -j ACCEPT | iptables -A OUTPUT -o eth1 -p tcp -m multiport --dports 80,443,8000 -j ACCEPT | ||
