Move update-alternatives above iptables commands.
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@ -11,6 +11,12 @@ cd "$(dirname "$0")"
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#send a message
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verbose "Configuring IPTables"
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#defaults to nftables by default this enables iptables
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if [ ."$os_codename" = ."buster" ]; then
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update-alternatives --set iptables /usr/sbin/iptables-legacy
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update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
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fi
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#run iptables commands
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iptables -A INPUT -i lo -j ACCEPT
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iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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@ -44,12 +50,6 @@ iptables -P INPUT DROP
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iptables -P FORWARD DROP
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iptables -P OUTPUT ACCEPT
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# Debian 10 - defaults to nftables by default this enables iptables
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if [ ."$os_codename" = ."buster" ]; then
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update-alternatives --set iptables /usr/sbin/iptables-legacy
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update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
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fi
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#answer the questions for iptables persistent
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echo iptables-persistent iptables-persistent/autosave_v4 boolean true | debconf-set-selections
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echo iptables-persistent iptables-persistent/autosave_v6 boolean true | debconf-set-selections
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