Subj : Re: Syncterm stays "connecting..."
To   : Zahar Drahomer
From : Cyberpope
Date : Wed Nov 10 2021 07:42 am

 > I installed Syncterm and opened it and ctrl-D and input "bbs.synchro.net".
 > It's stuck on the "connecting" screen. I can connect this bbs with telnet.
 > What do I do to make syncterm connect successfully? OS is ubuntu 20.

I use vert.synchro.net  from my browser (Chrome) & have no issues.

I use same as you in SyncTerm (Win10) & never had that issue.  Sounds as
Digital 
Man suggests: only a momentary disconnect issue. . . :)

.