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HyperProxmox/system/BASE_SOFT/SYSTEM/FIREWALL/firewall.sh
thomas.guiseppin 5352a2b94a first commit
2017-10-21 22:04:42 +02:00

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1.9 KiB
Bash

#!/usr/bin/env bash
# VAR
PUBLICIP=195.154.171.131
IPWHITELIST="37.187.116.90 195.154.171.131 89.31.149.185 62.210.103.97"
#### GENERIC RULES ####
iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
# Ne pas casser les connexions etablies
iptables -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
#Interdire toute connexion
iptables -t filter -P INPUT DROP
iptables -t filter -P FORWARD ACCEPT
iptables -t filter -P OUTPUT DROP
# Autoriser loopback
iptables -t filter -A INPUT -i lo -j ACCEPT
iptables -t filter -A OUTPUT -o lo -j ACCEPT
# ICMP (Ping) Limite
iptables -A INPUT -p icmp --icmp-type echo-request -m recent --set
iptables -A INPUT -p icmp --icmp-type echo-request -m recent --update --seconds 10 --hitcount 5 -j ACCEPT
# SSH
iptables -t filter -A INPUT -p tcp --dport 2222 -j ACCEPT
# DNS
iptables -t filter -A OUTPUT -p udp --dport 53 -j ACCEPT
# FTP Sortant
iptables -t filter -A OUTPUT -p tcp --dport 21 -j ACCEPT
iptables -t filter -A OUTPUT -p tcp --dport 20 -j ACCEPT
#UPDATE
iptables -t filter -A OUTPUT -p tcp --dport 80 -j ACCEPT
iptables -t filter -A OUTPUT -p tcp --dport 443 -j ACCEPT
# OUTPUT FTP
iptables -t filter -A OUTPUT -p tcp -m tcp --dport 21 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
iptables -t filter -A OUTPUT -p tcp -m tcp --dport 20 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
iptables -t filter -A OUTPUT -p tcp -m tcp --sport 1024:65535 --dport 20:65535 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
# INPUT FTP
iptables -t filter -A INPUT -p tcp -m tcp --dport 21 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
iptables -t filter -A INPUT -p tcp -m tcp --dport 20 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
iptables -t filter -A INPUT -p tcp -m tcp --sport 1024:65535 --dport 20:65535 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT