Connecting to Synchronet (Vertrauen) with Linux SSH, seems to work well.  Display characters coming across correctly as far as I can tell. Also, 
looks like the size is (re)detected properly on screen refresh.
Using Cascadia Code PL font. Ligatures enabled.
detected as: Auto UTF-8 / ANSI (iCE color) (mouse)
Mainly wanted to try out the integrated Z-Modem download (fdsz) worked 
great. - 
https://tabby.sh/about/features
Note: it's a bit heavier than a lot of terminal apps.  But worked well 
for the connection over SSH, and would assume Telnet/Rlogin as well.
-- 
Michael J. Ryan - 
tracker1@roughneckbbs.com
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 þ Synchronet þ Roughneck BBS - roughneckbbs.com