Table of contents

netcat

hello world

open a TCP server socket

nc -l [port]

client side: connect to a TCP server socket

nc [host] [port]

from this point onwards anything typed in either terminal will be sent to the other

flags

-l    listen (open server socket)
-p    port (optional)
-v    verbose

usage

piping input to netcat

cat response.html | nc -l 80

closing the connection

ctrl-D

copying a file (server)

nc -l 1234 > filename.out

copying a file (client)

nc host.example.com 1234 < filename.in

references

https://www.computerhope.com/unix/nc.htm