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uilian/using_nc_as_telnet_replacement.md

Last active July 1, 2021 13:01
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using_nc_as_telnet_replacement.md

Test if a port on a remote system is reachable (without telnet)

From the man pages:

  • Single port:

    • nc -zv 127.0.0.1 80

  • Multiple ports:

    • nc -zv 127.0.0.1 22 80 8080

  • Range of ports:

    • nc -zv 127.0.0.1 20-30
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