Olá,
Aplicqui a seginte regra para bloquear um ip da minha wlan,
iptables -A INPUT -p udp -s 192.168.1.69 --dport 137 -j DROP
Só que quando aplico o tcpdump o resultador é este,
08:30:21.847059 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:22.116468 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:22.386437 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:22.657607 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:22.926402 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:23.196426 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:33.476765 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:33.747181 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:34.016210 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:34.286793 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
08:30:34.557979 192.168.1.69.1032 > 10.10.10.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST (DF)
Alog errado com a regra?
[]s
Alan