[Info-vax] DECnet Phase IV broken after VSI update

[Dave Froble]

On 10/30/2021 7:00 PM, Craig A. Berry wrote:
> On 10/30/21 11:38 AM, Dave Froble wrote:
>> On 10/30/2021 2:27 AM, Phillip Helbig (undress to reply) wrote:
>>> In article <slhclr$eck$1 at dont-email.me>, Dave Froble
>>> <davef at tsoft-inc.com> writes:
>>>
>>>> Ok, from a TelNet session (sorry Steve, I like TelNet for local sessions)
>>>
>>> Why not LAT?
>>>
>>
>> The terminal emulator I use, SmarTerm, does not have LAT as a standard option.
>>
>> Actually, I'd like to get the company all using something a bit more secure.
>> I'm going to look at SSH.
>
> When you do, you may need to have a look at the part of SYLOGIN.COM that
> has the SET TERM/INQUIRE command.  In the boilerplate version that comes
> with VMS, a rather long list of device types are excluded from running
> that command, including "FT" which is what is  used by interactive SSH
> connections, so by default, VMS won't know what kind of terminal you
> have and lots of stuff doesn't work with terminal type "Unknown."  If
> you delete FT from the list, your interactive sessions will start
> getting the correct terminal type, but other things that tunnel over SSH
> may break.
>
> In my case Kermit from a Linux system tunneled over SSH stopped working.
> I had to exclude the account that was doing that from the check, which
> is a pretty desperate hack.  If there's a better way to identify
> sessions that are using FTDRIVER and have a TT device with a device
> class of 66 but are not actual interactive terminal sessions using SSH,
> I'd be happy to hear what it is.
>

Thanks, may keep me from some cussing ...

If SYLOGIN is an issue, placing commands in select LOGIN.COM files could be one solution.
Not one I like.  But nobody ever promised me a rose garden ...

-- 
David Froble                       Tel: 724-529-0450
Dave Froble Enterprises, Inc.      E-Mail: davef at tsoft-inc.com
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