I would like to recommend it.I had looked at this some time back and found nothing. Richard Stevens I had it in my bachelors and it is a great book and will clear all the concepts. Others will drop it.įor TCP/IP I would recommend TCP/IP Illustrated, Volume 1: The Protocols, 2nd Edition By Kevin R. So every machine on the same broadcast domain receives the ARP probe/packet but the machine with the 10.0.0.1 IP will only reply to this ARP probe. In case of ARP, only that particular machine will respond who has that particular IP address for which the ARP query is being made! If I make an ARP probe for 10.0.0.1, then my ARP probe/packet will contain this information and the ARP probe will be broadcasted. Thats the reason why every device will receive that packet. By the way broadcast frames in general has destination MAC address of FF:FF:FF:FF:FF:FF. Your machine will by default respond to all the braodcasts and multicasts(if your machine is in the same multicast group). On other hand in non-promiscuous mode, your NIC will drop/ignore the packet that it not intended to its address. If you want to sniff the traffic that is not intended to your NIC address then use promiscuous mode. But it really depends what traffic you want to sniff. Sniffing can be done in non-promiscuous mode too. MAC?Will it respond to all ICMP echo messages? Respond to all ARP requests(broadcast packets) not meant for it's To all packets(it receives) that require a response? E.g : will it Not addressed to it's MAC address.Does it also mean that it responds No it is not a must and sniffing can be done in non-promiscuous too.Īlso when in promiscuous mode the NIC accepts all packets which are Is it must for a packet sniffer to enable promiscuous mode?Can packetsīe sniffed without the NIC being in promiscuous mode?
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