[ale] telnets (secure telnet) anyone?

[Jerald Sheets]

Not to derail the conversation away from your solution (the IBM one seems credible), but what application, device, or situation would demand telnet over a modern terminal services infrastructure?  You and I spoke regarding some specific hardware, vertical market solutions there in the past, I was just curious.

—jms


On Jan 14, 2014, at 1:57 PM, Lightner, Jeff <JLightner at water.com> wrote:

> 
> First – Yes I know about ssh, wget, curl etc… so please don’t talk to me about them or why using one of those is a better idea – this isn’t my choice.
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> The basic question:   Does anyone know about “telnets” NOT “telnet” and how to set it up on Linux (ideally specifically RHEL6) ?
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> It appears from what little I’ve gleaned that telnets is a secure ssl way to run telnet.   The services file has port 992 for this as opposed to 23 for regular telnet.
>  
> Unfortunately web searches all seem to think I want to know about telnet so drop the s in searches for the most part and I’m finding very little on it anywhere.   It appears that *possibly* one can tell telnet (and presumably telnetd) to use port 992 but I’m not finding much on HOW to tell it to do that or how I would determine if a specific telnetd (or telnet command for that matter) supports this secure setup (i.e. ssl).  I know I can tell the telnet command itself to use port 992 with “telnet <host> 992” but don’t know if that would be sufficient for the client side and it still doesn’t tell me what should be on the server (i.e. telnetd) side.  
>  
> It’s also possible the 992 secure telnet is NOT the same thing as telnets and if you know that please feel free to advise me on what telnets actually is.   (I did find one thing that appears to be a commercial product but I’m hoping that isn’t what this is – other reading leads me to believe it isn’t.)
>  
> To make things even more fun we’re running RHEL6 which provides both telnet-server (in.telnetd) and the krb5 telnet.    Both have config files in /etc/xinetd.d but I suspect it isn’t as simple as just trying to add a port to the xinetd.d file for one of those.
>  
> We have a vendor that is saying they’ll need to configure this to do something with https interaction and I’m just trying to figure out what they’re on about before we actually have to do anything.
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