tcpdump accepts Invalid IPv4 without complaining

Solution Unverified - Updated -


  • Invalid IPv4 addresses are not an error and are accepted
# tcpdump host 192.168.355.25
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on virbr0, link-type EN10MB (Ethernet), capture size 262144 bytes


  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

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