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Config iptables serveur web
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# tout rejeter (par défaut) | |
iptables -P INPUT DROP | |
iptables -P FORWARD DROP | |
iptables -P OUTPUT DROP | |
# accepter les paquets de la boucle locale | |
iptables -t filter -A INPUT -s 127.0.0.1 -i lo -j ACCEPT | |
iptables -t filter -A OUTPUT -s 127.0.0.1 -j ACCEPT | |
# autoriser les connections déjà établies | |
iptables -t filter -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT | |
iptables -t filter -A OUTPUT -m state --state ESTABLISHED,RELATED -j ACCEPT | |
# autorisation des icmp en local | |
iptables -t filter -A INPUT -s 192.168.0.0/24 -p icmp -j ACCEPT | |
iptables -t filter -A OUTPUT -s 192.168.0.0/24 -p icmp -j ACCEPT | |
# autoriser les services web | |
iptables -t filter -A INPUT -p tcp --dport 21 -j ACCEPT | |
iptables -t filter -A OUTPUT -p tcp --dport 21 -j ACCEPT | |
iptables -t filter -A INPUT -p udp --dport 53 -j ACCEPT | |
iptables -t filter -A OUTPUT -p udp --dport 53 -j ACCEPT | |
iptables -t filter -A INPUT -p tcp --dport 25 -j ACCEPT | |
iptables -t filter -A OUTPUT -p tcp --dport 25 -j ACCEPT | |
iptables -t filter -A INPUT -p tcp --dport 80 -j ACCEPT | |
iptables -t filter -A OUTPUT -p tcp --dport 80 -j ACCEPT | |
iptables -t filter -A INPUT -p tcp --dport 443 -j ACCEPT | |
iptables -t filter -A OUTPUT -p tcp --dport 443 -j ACCEPT | |
iptables -t filter -A INPUT -p tcp --dport 1234 -j ACCEPT | |
iptables -t filter -A OUTPUT -p tcp --dport 1234 -j ACCEPT |
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