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| 1 | - | #!/bin/bash |
| 1 | + | #!/bin/bash |
| 2 | - | |
| 2 | + | |
| 3 | - | # Vider les tables actuelles |
| 3 | + | # Vider les tables actuelles |
| 4 | - | iptables -t filter -F |
| 4 | + | iptables -t filter -F |
| 5 | - | |
| 5 | + | |
| 6 | - | # Vider les règles personnelles |
| 6 | + | # Vider les règles personnelles |
| 7 | - | iptables -t filter -X |
| 7 | + | iptables -t filter -X |
| 8 | - | |
| 8 | + | |
| 9 | - | # Interdire toute connexion entrante et sortante |
| 9 | + | # Interdire toute connexion entrante et sortante |
| 10 | - | iptables -t filter -P INPUT DROP |
| 10 | + | iptables -t filter -P INPUT DROP |
| 11 | - | iptables -t filter -P FORWARD DROP |
| 11 | + | iptables -t filter -P FORWARD DROP |
| 12 | - | iptables -t filter -P OUTPUT ACCEPT # On va autoriser toutes les requetes sortantes |
| 12 | + | iptables -t filter -P OUTPUT ACCEPT # On va autoriser toutes les requêtes sortantes |
| 13 | - | |
| 13 | + | |
| 14 | - | # --- |
| 14 | + | # --- |
| 15 | - | |
| 15 | + | |
| 16 | - | # Ne pas casser les connexions etablies |
| 16 | + | # Ne pas casser les connexions etablies |
| 17 | - | iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT |
| 17 | + | iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT |
| 18 | - | iptables -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT |
| 18 | + | iptables -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT |
| 19 | - | |
| 19 | + | |
| 20 | - | # Autoriser loopback |
| 20 | + | # Autoriser loopback |
| 21 | - | iptables -t filter -A INPUT -i lo -j ACCEPT |
| 21 | + | iptables -t filter -A INPUT -i lo -j ACCEPT |
| 22 | - | iptables -t filter -A OUTPUT -o lo -j ACCEPT |
| 22 | + | iptables -t filter -A OUTPUT -o lo -j ACCEPT |
| 23 | - | |
| 23 | + | |
| 24 | - | # ICMP (Ping) |
| 24 | + | # ICMP (Ping) |
| 25 | - | iptables -t filter -A INPUT -p icmp -j ACCEPT |
| 25 | + | iptables -t filter -A INPUT -p icmp -j ACCEPT |
| 26 | - | iptables -t filter -A OUTPUT -p icmp -j ACCEPT |
| 26 | + | iptables -t filter -A OUTPUT -p icmp -j ACCEPT |
| 27 | - | |
| 27 | + | |
| 28 | - | # --- |
| 28 | + | # --- |
| 29 | - | |
| 29 | + | |
| 30 | - | # SSH In |
| 30 | + | # SSH In |
| 31 | - | iptables -t filter -A INPUT -p tcp --dport 666 -j ACCEPT |
| 31 | + | iptables -t filter -A INPUT -p tcp --dport 666 -j ACCEPT |
| 32 | - | |
| 32 | + | |
| 33 | - | # SSH Out |
| 33 | + | # SSH Out |
| 34 | - | iptables -t filter -A OUTPUT -p tcp --dport 666 -j ACCEPT |
| 34 | + | iptables -t filter -A OUTPUT -p tcp --dport 666 -j ACCEPT |
| 35 | - | |
| 35 | + | |
| 36 | - | # DNS In/Out |
| 36 | + | # DNS In/Out |
| 37 | - | iptables -t filter -A OUTPUT -p tcp --dport 53 -j ACCEPT |
| 37 | + | iptables -t filter -A OUTPUT -p tcp --dport 53 -j ACCEPT |
| 38 | - | iptables -t filter -A OUTPUT -p udp --dport 53 -j ACCEPT |
| 38 | + | iptables -t filter -A OUTPUT -p udp --dport 53 -j ACCEPT |
| 39 | - | iptables -t filter -A INPUT -p tcp --dport 53 -j ACCEPT |
| 39 | + | iptables -t filter -A INPUT -p tcp --dport 53 -j ACCEPT |
| 40 | - | iptables -t filter -A INPUT -p udp --dport 53 -j ACCEPT |
| 40 | + | iptables -t filter -A INPUT -p udp --dport 53 -j ACCEPT |
| 41 | - | |
| 41 | + | |
| 42 | - | # NTP |
| 42 | + | # NTP |
| 43 | - | iptables -t filter -A OUTPUT -p udp --dport 123 -j ACCEPT |
| 43 | + | iptables -t filter -A OUTPUT -p udp --dport 123 -j ACCEPT |
| 44 | - | |
| 44 | + | |
| 45 | - | # Mail SMTP:25 |
| 45 | + | # Mail SMTP:25 |
| 46 | - | iptables -t filter -A INPUT -p tcp --dport 25 -j ACCEPT |
| 46 | + | iptables -t filter -A INPUT -p tcp --dport 25 -j ACCEPT |
| 47 | - | iptables -t filter -A OUTPUT -p tcp --dport 25 -j ACCEPT |
| 47 | + | iptables -t filter -A OUTPUT -p tcp --dport 25 -j ACCEPT |
| 48 | - | |
| 48 | + | |
| 49 | - | # Banlist |
| 49 | + | # Banlist |
| 50 | - | iptables -t filter -A INPUT -p udp --dport 1311 -j ACCEPT |
| 50 | + | iptables -t filter -A INPUT -p udp --dport 1311 -j ACCEPT |
| 51 | - | iptables -t filter -A OUTPUT -p udp --dport 1311 -j ACCEPT |
| 51 | + | iptables -t filter -A OUTPUT -p udp --dport 1311 -j ACCEPT |
| 52 | - | |
| 52 | + | |
| 53 | - | # FTP Out |
| 53 | + | # FTP Out |
| 54 | - | iptables -t filter -A OUTPUT -p tcp --dport 20:21 -j ACCEPT |
| 54 | + | #iptables -t filter -A OUTPUT -p tcp --dport 20:21 -j ACCEPT |
| 55 | - | |
| 55 | + | |
| 56 | - | # FTP In |
| 56 | + | # FTP In |
| 57 | - | modprobe ip_conntrack_ftp # ligne facultative avec les serveurs OVH |
| 57 | + | #modprobe ip_conntrack_ftp # ligne facultative avec les serveurs OVH |
| 58 | - | iptables -t filter -A INPUT -p tcp --dport 20:21 -j ACCEPT |
| 58 | + | #iptables -t filter -A INPUT -p tcp --dport 20:21 -j ACCEPT |
| 59 | - | iptables -t filter -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT |
| 59 | + | #iptables -t filter -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT |
| 60 | - | |
| 60 | + | |
| 61 | - | # DDoS |
| 61 | + | # DDoS |
| 62 | - | iptables -A FORWARD -p tcp --syn -m limit --limit 1/second -j ACCEPT |
| 62 | + | iptables -A FORWARD -p tcp --syn -m limit --limit 1/second -j ACCEPT |
| 63 | - | iptables -A FORWARD -p udp -m limit --limit 1/second -j ACCEPT |
| 63 | + | iptables -A FORWARD -p udp -m limit --limit 1/second -j ACCEPT |
| 64 | - | iptables -A FORWARD -p icmp --icmp-type echo-request -m limit --limit 1/second -j ACCEPT |
| 64 | + | iptables -A FORWARD -p icmp --icmp-type echo-request -m limit --limit 1/second -j ACCEPT |
| 65 | - | |
| 65 | + | |
| 66 | - | # Scan de ports |
| 66 | + | # Scan de ports |
| 67 | iptables -A FORWARD -p tcp --tcp-flags SYN,ACK,FIN,RST RST -m limit --limit 1/s -j ACCEPT |
