Netcat
-z
Directs nmap to search for active services.
Ubuntu
CentOS
Debian
Arch
SUSE
Slackware
Alpine
Fedora
Verified: 2025-10-07
Syntax
$nc -z [host] [ports]
Examples
$nc -z 192.168.59.1 80-100
Typical use cases
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Standard usage
-z --help
Note
Zero-I/O mode for scanning.
Export