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 id 1YTVEn-000OWe-Ha; Thu, 05 Mar 2015 15:50:49 +0300
Date: Thu, 5 Mar 2015 15:50:49 +0300
From: Slawa Olhovchenkov <slw@zxy.spb.ru>
To: Mateusz Guzik <mjguzik@gmail.com>
Subject: Re: svn commit: r279603 - in head: bin/rcp usr.bin/rlogin usr.bin/rsh
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References: <201503042201.t24M1jDG009278@svn.freebsd.org>
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Cc: svn-src-head@freebsd.org, Baptiste Daroussin <bapt@FreeBSD.org>,
 Gleb Smirnoff <glebius@FreeBSD.org>, src-committers@freebsd.org,
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On Thu, Mar 05, 2015 at 01:49:33PM +0100, Mateusz Guzik wrote:

> On Thu, Mar 05, 2015 at 03:40:37PM +0300, Slawa Olhovchenkov wrote:
> > On Thu, Mar 05, 2015 at 03:35:48PM +0300, Gleb Smirnoff wrote:
> > > nc(1), which is a pure socket testing tool. For telnet(1) this
> > > capability is a side effect.
> > 
> > You don't try this in practice.
> > % nc zxy.spb.ru 81
> > %
> > % telnet zxy.spb.ru 81
> > Trying 195.70.199.98...
> > telnet: connect to address 195.70.199.98: Connection refused
> > telnet: Unable to connect to remote host
> > 
> > nc is not usable. 
> > 
> 
> # nc -v localhost 81 
> nc: connect to localhost port 81 (tcp) failed: Connection refused

Try for remote host.