2015-11-06 13:20:06 +00:00
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iptables \
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--table filter \
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--insert INPUT \
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--in-interface virbr0 \
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--protocol tcp \
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--destination-port 67 \
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--jump ACCEPT
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iptables \
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--table filter \
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--insert INPUT \
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--in-interface virbr0 \
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--protocol udp \
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--destination-port 67 \
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--jump ACCEPT
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iptables \
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--table filter \
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--insert OUTPUT \
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--out-interface virbr0 \
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--protocol udp \
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--destination-port 68 \
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--jump ACCEPT
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iptables \
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--table filter \
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--insert INPUT \
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--in-interface virbr0 \
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--protocol tcp \
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--destination-port 53 \
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--jump ACCEPT
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iptables \
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--table filter \
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--insert INPUT \
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--in-interface virbr0 \
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--protocol udp \
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--destination-port 53 \
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--jump ACCEPT
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iptables \
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--table filter \
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--insert INPUT \
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--in-interface virbr0 \
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--protocol udp \
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--destination-port 69 \
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--jump ACCEPT
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iptables \
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--table filter \
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--insert FORWARD \
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--in-interface virbr0 \
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--jump REJECT
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iptables \
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--table filter \
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--insert FORWARD \
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--out-interface virbr0 \
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--jump REJECT
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iptables \
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--table filter \
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--insert FORWARD \
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--in-interface virbr0 \
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--out-interface virbr0 \
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--jump ACCEPT
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iptables \
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--table filter \
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--insert FORWARD \
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--source 192.168.122.0/24 \
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--in-interface virbr0 \
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--jump ACCEPT
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iptables \
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--table filter \
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--insert FORWARD \
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--destination 192.168.122.0/24 \
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--out-interface virbr0 \
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--match conntrack \
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--ctstate ESTABLISHED,RELATED \
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--jump ACCEPT
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iptables \
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--table nat \
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--insert POSTROUTING \
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--source 192.168.122.0/24 '!' \
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--destination 192.168.122.0/24 \
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--jump MASQUERADE
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iptables \
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--table nat \
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--insert POSTROUTING \
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--source 192.168.122.0/24 \
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-p udp '!' \
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--destination 192.168.122.0/24 \
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--jump MASQUERADE \
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--to-ports 1024-65535
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iptables \
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--table nat \
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--insert POSTROUTING \
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--source 192.168.122.0/24 \
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-p tcp '!' \
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--destination 192.168.122.0/24 \
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--jump MASQUERADE \
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--to-ports 1024-65535
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iptables \
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--table nat \
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--insert POSTROUTING \
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--source 192.168.122.0/24 \
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--destination 255.255.255.255/32 \
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--jump RETURN
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iptables \
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--table nat \
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--insert POSTROUTING \
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--source 192.168.122.0/24 \
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--destination 224.0.0.0/24 \
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--jump RETURN
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iptables \
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--table mangle \
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--insert POSTROUTING \
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--out-interface virbr0 \
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--protocol udp \
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--destination-port 68 \
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--jump CHECKSUM \
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--checksum-fill
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