Subj : Automatically blocking co
To   : Dumas Walker
From : Digital Man
Date : Tue Jun 04 2024 01:46 pm

  Re: Automatically blocking co
  By: Dumas Walker to DIGITAL MAN on Tue Jun 04 2024 09:34 am

 > > Bots generally try to login, so that's the mechanism used (failed login
 > > attempts) for counting/throttling - not connections. If something connects
 > > and
 > > disconnects rapidly, who cares?
 >
 > I ran into issues (with 3.19 and before, anyway) where people or bots were
 > hitting the telnet port rapidly and apparently not trying to log in, which
 > meant they were not being throttled.
 >
 > It would eventually "crash" telnet.  I would have expected it to take down
 > the whole terminal server but SSH would still be working.  I would only
 > find out about it when a user complained that the BBS was down.  A recycle
 > of sbbs would fix it.
 >
 > So while I would not normally care, I sometimes am forced to.  ;)

I have not observed this problem (Telnet server not responding while SSH does), nor heard any reports of it, besides yours. I would expect the use of tools like netstat to help identify the real cause of that issue.
-- 
                                            digital man (rob)

Rush quote #70:
He's got a problem with his power, with weapons on patrol .. New World Man
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