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
Norco, CA WX: 78.1�F, 56.0% humidity, 6 mph WNW wind, 0.00 inches rain/24hrs
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