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nc
Netcat is a versatile utility for working with TCP or UDP data. More information: https://nmap.org/ncat.
- Listen on a specified port and print any data received:
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:
nc -l {{port}} < {{file}}
- Receive a file:
nc {{ip_address}} {{port}} > {{file}}
- Server stay up after client detach:
nc -k -l {{port}}
- Client stay up after EOF:
nc -q {{timeout}} {{ip_address}}
- Scan the open ports of a specified host:
nc -v -z {{ip_address}} {{port}}
- Act as proxy and forward data from a local TCP port to the given remote host:
nc -l {{local_port}} | nc {{hostname}} {{remote_port}}