halo semuanya, network saya clientnya terus menerus kirm broadcast menuhin traffic, padahal di gateway port 137 udah saya block. dibawah ini saya cek pake
tcpdump -i eth1 port 137 : 11:31:48.154193 192.168.0.250.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:31:56.929528 192.168.0.250.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:31:57.677286 192.168.0.250.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:31:58.428572 192.168.0.250.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:02.909516 192.168.0.129.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:03.659458 192.168.0.129.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:04.409751 192.168.0.129.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:07.224284 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:07.224447 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:07.224618 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:07.444036 192.168.0.250.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:07.986605 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:07.986753 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:07.986838 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:08.191757 192.168.0.250.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:08.736885 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:08.737040 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:08.737134 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:08.942782 192.168.0.250.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:09.291518 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:09.486664 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:09.486816 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:09.486910 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:10.041544 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:11.683856 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:12.434115 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:13.183852 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:13.934352 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:14.684103 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:15.433919 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:18.367500 192.168.0.220.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:19.117915 192.168.0.220.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:19.870262 192.168.0.220.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:20.678219 192.168.0.220.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:20.779722 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): REGISTRATION; REQUEST; BROADCAST 11:32:20.780845 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:20.856875 192.168.0.129.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:21.045335 192.168.0.22.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:21.428409 192.168.0.220.netbios-ns > 192.168.0.255.netbios-ns: NBT UDP PACKET(137): QUERY; REQUEST; BROADCAST 11:32:21.53189 apakah ini normal, soalnya setiap hari seperti ini. teolong pencerahannya. regards samsee __________________________________ Do you Yahoo!? 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