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tlwr/minimal.sh

Created January 27, 2021 14:56
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  1. tlwr created this gist Jan 27, 2021.
    6 changes: 6 additions & 0 deletions minimal.sh
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    iptables -A INPUT -i lo -j ACCEPT # Loopback
    iptables -A INPUT -p icmp -j ACCEPT # ICMP
    iptables -A INPUT -p tcp -m tcp --dport 2222 -m state --state NEW,ESTABLISHED -j ACCEPT # SSH port 2222
    iptables -A INPUT -p udp -m state --state ESTABLISHED -j ACCEPT # DNS response
    iptables -A INPUT -p tcp -m tcp -m state --state ESTABLISHED -j ACCEPT # Established TCP conns
    iptables -A INPUT -j DROP # Drop remaining traffic