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25 lines
745 B
Docker
25 lines
745 B
Docker
#
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# Dockerfile for iptables
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#
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FROM alpine
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MAINTAINER kev <noreply@easypi.pro>
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RUN apk add -U iproute2 && ln -s /usr/lib/tc /lib/tc
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ENV LIMIT_PORT 8388
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ENV LIMIT_CONN 5
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ENV TCP_PORTS 80,443
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ENV UDP_PORTS 53
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ENV RATE 1mbit
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ENV BURST 1kb
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ENV LATENCY 50ms
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ENV INTERVAL 60
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CMD iptables -F \
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&& iptables -A INPUT -p tcp -m state --state NEW --dport $LIMIT_PORT -m connlimit --connlimit-above $LIMIT_CONN -j DROP \
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&& iptables -A OUTPUT -p tcp -m state --state NEW -m multiport ! --dports $TCP_PORTS -j DROP \
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&& iptables -A OUTPUT -p udp -m state --state NEW -m multiport ! --dports $UDP_PORTS -j DROP \
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&& tc qdisc add dev eth0 root tbf rate $RATE burst $BURST latency $LATENCY \
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&& watch -n $INTERVAL tc -s qdisc ls dev eth0
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