C:\Documents and Settings\Novlucker\Escritorio\Netcat>nc -h
[v1.10 NT]
connect to somewhere: nc [-options] hostname port[ s] [ports] ...
listen for inbound: nc -l -p port [options] [hostname] [port]
options:
 -d detach from console, stealth mode
-e prog inbound program to exec [dangerous!!]
 -g gateway source-routing hop point[ s], up to 8
 -G num source-routing pointer: 4, 8, 12, ...
 -h this cruft
 -i secs delay interval for lines sent, ports scanned
 -l listen mode, for inbound connects
 -L listen harder, re-listen on socket close
 -n numeric-only IP addresses, no DNS
 -o file hex dump of traffic
 -p port local port number
 -r randomize local and remote ports
 -s addr local source address
-t answer TELNET negotiation
 -u UDP mode
 -v verbose [use twice to be more verbose]
 -w secs timeout for connects and final net reads
 -z zero-I/O mode [used for scanning]
port numbers can be individual or ranges: m-n [inclusive]

C:\Documents and Settings\Novlucker\Escritorio\Netcat>