[Info-vax] Reverse telnet to a terminal emulator?
Johnny Billquist
bqt at softjar.se
Tue Jul 19 07:58:54 EDT 2011
On 2011-07-19 13.47, VAXman- @SendSpamHere.ORG wrote:
> In article<j02l2e$2ha$1 at speranza.aioe.org>, Snowshoe<no at spam.please> writes:
>> Is there any such thing as VTxxx-compatible terminal server software
>> that runs on a PC that, instead of actively connecting to a host via
>> telnet, is "passive", it waits until something connects to it? Once a
>> host connects to it, it acts like a regular VTxxx terminal. My idea is
>
> There are some here, myself included, would argue that there is no
> PeeCee software that acts like a regulat VT terminal.
Actually, the terminal application that DEC wrote, which is a part of
pathworks, might be good. I have not tried it extensively, but if there
is one program that might do things right, that would be it, I think.
>> for VMS to reverse-telnet to it. (TELNET> CREATE_SESSION 10.9.8.7 23 100
>> creates TNA100: on host at IP address 10.9.8.7 port 23) This is to
>> replace a hardwired terminal that doesn't log in, but an application
>> currently allocates it and uses it for part of its operator interface.
>>
>> If the answer is "no", an alternative is for someone to use ordinary
>> terminal server SW to telnet into the VMS host and run a do-nothing
>> program that goes into a permanent LEF state, and VMS finds its TNAx
>> device and writes to it, but this is one step I'd rather not have the
>> operators do.
>
> Sounds like a good job for a pseudo-terminal application. You connect
> your PeeCee with the not-ready-for-prime-time VT terminal emulation to
> its PTD$READ side and your application talks to its PTD device. It's
> a very simple thing to program.
Yes. Pretty much a similar solution to what others have suggested using
a short program listening to two tcp ports, and connect them together.
I don't know of any terminal emulator program who provides a tcp listener.
Johnny
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