Re: ncat usage

[David Fifield <david () bamsoftware com>]

On Mon, May 07, 2012 at 03:34:06PM -0400, Dave Henderson wrote:
> Good afternoon gang!  I'm working on a project that currently uses
> Berkley's netcat (nc), however, during some research I stumbled on
> ncat.  I can see that it's much more comprehensive so I'd like to
> make the switch to using it instead, but I can't seem to get it
> working right.  The project is basically a bash version of a web
> server.  I'll post the working code below.  Any help would greatly
> be appreciated!
>
> Thanks,
> Dave
>
>
>
> while (( 1 == 1 )); do                # causes an infinite loop for
> processing requests
>     #nc -Cl $sOPTS "$iPORT" < "$SI" > "$SO" 2>>/tmp/debug.txt &   #
> netcat-openbsd - DEBUGGING ERRORS/MESSAGES
>     nc -Cl $sOPTS "$iPORT" < "$SI" > "$SO" &
> # netcat-openbsd
>     #ncat $sOPTS -vvv -C -l 127.0.0.1 $iPORT < "$SI" > "$SO" &
> # ncat
>
>     trap exitGraceful SIGINT                                    #
> traps ctrl-C to exit this script
>     head -n 1 "$SO" | procRequest > "$SI"
>     trap - SIGINT
> done

You will probably be happier with this (no while loop):

ncat -l -k $iPORT --sh-exec "cat \"$SI\""

Compare to some examples here:

http://nmap.org/ncat/guide/ncat-simple-services.html

David Fifield
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