59 lines
2.2 KiB
Text
59 lines
2.2 KiB
Text
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#!/bin/bash
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. ./lib
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options=()
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options+=("Edit IPv4" "nano /etc/iptables/iptables.rules")
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options+=("Edit IPv6" "nano /etc/iptables/ip6tables.rules")
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options+=("" "")
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options+=("Load Rules" "iptables-restore & ip6tables-restore")
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options+=("" "")
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options+=("Start At Boot" "systemctl enable iptables & systemctl enable ip6tables")
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options+=("Generate Default Rules" "/etc/iptables/iptables.rules & /etc/iptables/ip6tables.rules")
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defaultitem=""
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sel=$(whiptail --backtitle "$apptitle" --title "Firewall Menu :" --menu "" --default-item "$defaultitem" --cancel-button "Back" 0 0 0 \
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"${options[@]}" \
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3>&1 1>&2 2>&3)
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if [ ! "$?" = "0" ]; then
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exit 1
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fi
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sed -i "/^defaultitem=/c\defaultitem=\"$sel\"" $0
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case $sel in
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'Edit IPv4') nano /etc/iptables/iptables.rules;;
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'Edit IPv6') nano /etc/iptables/ip6tables.rules;;
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'Load Rules') iptables-restore < /etc/iptables/iptables.rules
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ip6tables-restore < /etc/iptables/ip6tables.rules;;
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'Start At Boot') systemctl enable iptables
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systemctl start iptables
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systemctl enable ip6tables
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systemctl start ip6tables;;
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'Generate Default Rules')
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file=/etc/iptables/iptables.rules
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echo '*filter' > $file
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echo ':INPUT DROP [0:0]' >> $file
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echo ':FORWARD DROP [0:0]' >> $file
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echo ':OUTPUT ACCEPT [0:0]' >> $file
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echo '-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT' >> $file
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echo '-A INPUT -i lo -j ACCEPT' >> $file
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echo '# SSH' >> $file
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echo '#-A INPUT -p tcp -m tcp --dport 22 -m state --state NEW -j ACCEPT' >> $file
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echo '# Ping' >> $file
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echo '#-A INPUT -p icmp -j ACCEPT' >> $file
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echo '# SNMP' >> $file
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echo '#-A INPUT -s 192.168.0.0/24 -p udp -m udp --dport 161 -m state --state NEW -j ACCEPT' >> $file
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echo 'COMMIT' >> $file
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iptables-restore $file
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file=/etc/iptables/ip6tables.rules
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echo '*filter' > $file
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echo ':INPUT DROP [0:0]' >> $file
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echo ':FORWARD DROP [0:0]' >> $file
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echo ':OUTPUT ACCEPT [0:0]' >> $file
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echo '-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT' >> $file
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echo '-A INPUT -i lo -j ACCEPT' >> $file
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echo 'COMMIT' >> $file
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ip6tables-restore $file;;
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esac
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exit 0
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