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fix(devcontainer): let init-firewall.sh block IPv6 traffic #24951

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fix(devcontainer): let init-firewall.sh block IPv6 traffic #24951

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3 changes: 3 additions & 0 deletions .devcontainer/init-firewall.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,9 @@ iptables -A OUTPUT -d "$HOST_NETWORK" -j ACCEPT
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT DROP
ip6tables -P INPUT DROP
ip6tables -P FORWARD DROP
ip6tables -P OUTPUT DROP

# First allow established connections for already approved traffic
iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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