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flightlessbird

12-28-2004 01:59 AM

A good tutorial for netcat?

Dose anyone know of anymore information about netcat.c?
I have found this, but was woundering if anything else was out there.
http://www.zoran.net/wm_resources/netcat_hobbit.asp

Pragma

12-28-2004 05:25 PM

If you compile netcat and run it with the "-h" flag, it should give you the usage information.

Code:

# nc -h

[v1.10]

connect to somewhere:   nc [-options] hostname port[s] [ports] ...

listen for inbound:     nc -l -p port [-options] [hostname] [port]

options:

        -e prog                 program to exec after connect [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

        -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: lo-hi [inclusive]

flightlessbird

01-06-2005 07:44 PM

Thanks for the response, but I was more after information about coding with it. I'll post more information if I get some more time to work on my scripts.

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