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SanjaySRocks/flush-oracle.sh

Created February 17, 2022 06:53
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Remove all default firewall rules in oracle cloud permanently
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flush-oracle.sh
# Take backup of iptables
cp /etc/iptables/rules.v4 /etc/iptables/rules.v4.backup
cp /etc/iptables/rules.v6 /etc/iptables/rules.v6.backup
# Flush rules
iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
# Save changes
iptables-save > /etc/iptables/rules.v4
ip6tables-save > /etc/iptables/rules.v6
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