tldr/pages/common/nc.md

nc

reads and writes tcp or udp data

• listen on a specified port

nc -l {{port}}

• connect to a certain port (you can then write to this port)

nc {{ip_address}} {{port}}

• set a timeout

nc -w {{timeout_in_seconds}} {{ipaddress}} {{port}}

• serve a file

cat somefile.txt | nc -l {{port}}

• receive a file

nc {{ip_address}} {{port}} > somefile.txt

• server stay up after client detach

nc -k -l {{port}}

• client stay up after EOF

nc -q {{timeout}} {{ip_address}}