I ran into (possibly whenthis trying to send some files to the LCM TOPS-10).
Found this:
http://www.columbia.edu/kermit/ckcbwr.html
C-Kermit 7.0 is the first release of C-Kermit to use fast (rather than
robust and therefore slow) protocol defaults: long packets, sliding windows,
control-ch
Multics 12.6 has a Kermit program; the history log in the source indicate
that it written circa 1984 and last modified circa 1990.
My local host runs CKermit 9.0, circa 2015.
They do not play nice; some Kermit protocol change is causing high packet
retry rates, timeouts and sometimes complete con