Netcat
nc
Netcat tool for TCP/UDP connections, port scanning, and more.
Ubuntu
CentOS
Debian
Arch
SUSE
Slackware
Alpine
Fedora
Verified: 2025-10-07
Syntax
$nc [options] [host] [port]
Examples
$nc 192.168.59.1 80
$nc -l -p 1234
Typical use cases
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Standard usage
nc --help
Note
Basic command for network connections, sends/receives UDP/TCP packets, port scanning, and IPv4/IPv6 handling.
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