[HECnet] PyDECnet

Thomas DeBellis tommytimesharing at gmail.com
Fri Mar 13 12:54:58 PDT 2020


Yes, I know that it had to be reverse engineered (another reason we 
never adopted it); that wasn't my chief beef.

I just think failing with no message whatsoever is an incredibly rude 
thing to do.

On 3/13/20 3:14 PM, G. wrote:
> On Fri, 13 Mar 2020 12:21:42 -0400, Thomas DeBellis wrote:
>
>> llogin will sometimes work, often not, but almost always (and often)
>> fails without any sort of message whatsoever.  "Sort of" is very
>> generous, indeed, Johnny.  You're just silently put back into the
>> shell.  Unforgivable.
>>
>> The only way to get to the bottom of it will be to attach a debugger and
>> see what's happening.
> Unfortunately, at the time there was no known source for the LAT protocol
> specification, hence the Linux support is the result of some serious reverse
> engineering effort by Christine Caulfield.
>
> Years later the specification surfaced on Bitsavers, thus the only piece
> still missing is some brave soul willing to rewrite it from scratch :)
>
> http://bitsavers.informatik.uni-stuttgart.de/pdf/dec/ethernet/lat/
>
> Another nice protocol worth some thought would be LAST/LAD...
>
> HTH, :)
> G.
>


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