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IPTables » History » Version 5

Laurent GUERBY, 04/05/2012 09:23 AM

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h1. IPTables
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* http://www.bortzmeyer.org/dns-netfilter-u32.html
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* http://www.stearns.org/doc/iptables-u32.current.html
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* http://ebtables.sourceforge.net/br_fw_ia/PacketFlow.png
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* http://ebtables.sourceforge.net/
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DHCP ?
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sysctl -w net.bridge.bridge-nf-call-iptables=1 
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sysctl -w net.bridge.bridge-nf-call-ip6tables=1 
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iptables -A INPUT -p udp --sport 68 --dport 67 -j DROP
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https://bugzilla.redhat.com/show_bug.cgi?id=512206
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h1. ebtables
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* http://serverfault.com/questions/284290/two-dhcp-servers-block-clients-for-one-of-them
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ebtables -A INPUT --in-interface br0 --protocol ipv4 --ip-protocol udp --ip-source-port 67:68 -j DROP
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ebtables -A INPUT --in-interface br0 --protocol ipv4 --ip-protocol udp --ip-destination-port 67:68 -j DROP
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ebtables -A FORWARD --in-interface br0 --protocol ipv4 --ip-protocol udp --ip-destination-port 67:68 -j DROP
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ebtables -A FORWARD --in-interface br0 --protocol ipv4 --ip-protocol udp --ip-source-port 67:68 -j DROP