May 2017
Intermediate to advanced
416 pages
21h 33m
English
Content preview from Nmap: Network Exploration and Security Auditing Cookbook - Second Edition
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How it works...
A broadcast ping works by sending an ICMP echo request to the local broadcast address 255.255.255.255 and then waiting for hosts to reply with an ICMP echo reply. It produces output similar to the following:
# nmap --script broadcast-ping --packet-trace NSOCK INFO [0.1740s] nsock_iod_new2(): nsock_iod_new (IOD #1) NSOCK INFO [0.1740s] nsock_pcap_open(): PCAP requested on device 'ens33' with berkeley filter 'dst host 192.168.0.5 and icmp[icmptype]==icmp-echoreply' (promisc=0 snaplen=104 to_ms=200) (IOD #1) NSOCK INFO [0.1740s] nsock_pcap_open(): PCAP created successfully on device 'ens33' (pcap_desc=5 bsd_hack=0 to_valid=1 l3_offset=14) (IOD #1) NSOCK INFO [0.1750s] nsock_pcap_read_packet(): Pcap read request from ...
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