[aprssig] telnet client

'Scott Miller' scott at opentrac.org
Sat Mar 31 23:44:24 EDT 2007

There is.  I used to use it all the time.  It'll do exactly what you're
talking about.  It's worth noting that there's a difference between a raw
TCP connection and a telnet connection, though.  Telnet will do some
negotiation (using WILL/WONT/DO/DONT tokens) for terminal parameters and
such.  However, if it fails, it doesn't care - it'll always fall back to a
dumb 'network virtual terminal'.  So you can use Netcat to connect to a
telnet server, though as I recall you can't be sure a telnet client won't
send some extraneous bytes when you connect to something non-telnet with it.

But yeah, netcat's what you want.
http://www.vulnwatch.org/netcat/nc111nt.zip.  Be warned, Norton Antivirus
may try to block it as a hacking tool.  Which it can be, but the same goes
for ping.


> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org 
> [mailto:aprssig-bounces at lists.tapr.org] On Behalf Of James 
> Jefferson Jarvis
> Sent: Saturday, March 31, 2007 1:04 PM
> To: TAPR APRS Mailing List
> Subject: Re: [aprssig] telnet client
> Netcat.
> NC. I'm sure someone has a win32 version of it.
> nc localhost 10152 < packets.txt
> -Jim KB0THN
> On Saturday 31 March 2007 14:06, Wes Johnston, AI4PX wrote:
> > Does anyone know of a telnet client for win32 that can be 
> commanded from a
> > command line to send a text file upon connecting to a server?  The
> > application is to allow a program I've written to create 
> some info on some
> > aprs objects, then make a telnet program connect to the 
> aprs IS (or local
> > server copy of aprs) and send the data line by line.  It would then
> > disconnect and return to the command prompt.
> >
> > Any ideas?
> >
> > Wes
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