[Techtalk] Block MAC Address

[Mohammad Shakir]

#  Flush all Rules
/sbin/iptables --flush
/sbin/iptables --table nat --flush
/sbin/iptables --delete-chain
/sbin/iptables --table nat --delete-cha
/sbin/iptables -N MACtest


#  to block this MAC Address
/sbin/iptables -t filter -A FORWARD -j MACtest
/sbin/iptables -A MACtest -m mac --mac-source 00:11:22:33:44:55 -j DROP

#  for transprent proxy
/sbin/iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j
REDIRECT --to-port 3128

#  for MASQUREADE
/sbin/iptables --table nat --append POSTROUTING -s 192.168.0.0/24 
--out-interface ppp0 -j MASQUERADE

echo "1" > /proc/sys/net/ipv4/ip_forward

I want to block a mac address, but this script is not blocking for it, any 
idea?




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