Ncat 7.30 ( https://nmap.org/ncat ) Usage: ncat [options] [hostname] [port] Options taking a time assume seconds. Append 'ms' for milliseconds, 's' for seconds, 'm' for minutes, or 'h' for hours (e.g. 500ms). -4 Use IPv4 only -6 Use IPv6 only -U, --unixsock Use Unix domain sockets only -C, --crlf Use CRLF for EOL sequence -c, --sh-exec Executes the given command via /bin/sh -e, --exec Executes the given command --lua-exec Executes the given Lua script -g hop1[,hop2,...] Loose source routing hop points (8 max) -G Loose source routing hop pointer (4, 8, 12, ...) -m, --max-conns Maximum simultaneous connections -h, --help Display this help screen -d, --delay