nc

all

Redirect I/O into a network stream through this versatile tool.

Examples (7)

Start a [l]istener on the specified TCP [p]ort and send a file into it

nc < filename -l -p port

Connect to a target listener on the specified port and receive a file from it

nc host port > received_filename

Scan the open TCP ports of a specified host

nc -v -z -w timeout_in_seconds host start_port-end_port

Start a [l]istener on the specified TCP [p]ort and provide your local shell access to the connected party (this is dangerous and can be abused)

nc -l -p port -e shell_executable

Connect to a target listener and provide your local shell access to the remote party (this is dangerous and can be abused)

nc host port -e shell_executable

Act as a proxy and forward data from a local TCP port to the given remote host

nc -l -p local_port | nc host remote_port

Send an HTTP GET request

echo -e "GET / HTTP/1.1\nHost: host\n\n" | nc host 80