Re: nc missing option -z

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Hi James,

On Wed, Feb 13, 2013 at 08:45:39AM +0000, James Hogarth wrote:
> > Or, will less zeros ....
> >
> > tcping -t 1 imap.gmail.com 993    :-) :-)
> >
> > --
> >
> 
> Specifically what's going on here is that fedora netcat is not the old
> netcat you know.
> 
> A little while back (I don't remember which release) it was replaced by
> nmap netcat (ncat):
> 
> [root@server ~]# rpm -qf /usr/bin/nc
> nmap-ncat-6.01-9.fc18.x86_64
> 
> http://nmap.org/ncat/
> 
> This does not have the old -z option as you mention... tcping is the best
> of the options others have presented (no idea what that person was going on
> about netstat for...)
> 
> The other alternative to tcping is nmap ...
> 
> nmap -Pn -p993 imap.gmail.com

Thanks a lot!  I had a suspicion the issue was something like this.
This is extremely inconvenient though, since now I have to change quite
a few scripts, more importantly now I also have to figure out the
machine my script is running on (e.g. laptop or institutes servers).

I guess switching to nmap might resolve the second issue.

Cheers,

-- 
Suvayu

Open source is the future. It sets us free.
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