BBS:      TELESC.NET.BR
Assunto:  Re: All terminal nodes in-use
De:       Dan Clough
Data:     Sun, 3 May 2026 18:52:32 -0500
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-=> Digital Man wrote to Gamgee <=-

 > I have thought about trying fail2ban many times, but just haven't ever
 > had the need, although this recent bot crap is making me think about it
 > again.
 >
 > I'm in need of some info, which surprisingly can't seem to find good
 > answers for by searching.  Here are a few questions I have if anyone
 > could answer them:
 >
 > 1.  I understand it monitors log(s) and then adds lines/rules to
 > iptables to block/ban that IP address.  But... what if you're not using
 > iptables on the BBS computer?  I'm not, because why would I be?

 DM> I'm not using it. When I have issues (on Vertrauen or reported) with
 DM> bots, I add features to Synchronet to mitigate those issues. I see
 DM> you're running a development build of Synchronet (v3.22a), so if you
 DM> update to the latest, you should have this feature available in
 DM> SCFG->Servers->Terminal Server:

 DM> .[=][?]================================.
 DM> I      Max Concurrent Connections      I
 DM> }======================================{
 DM> I |Maximum (Unauthenticated)     2     I
 DM> I |Auto-Filter Threshold         10    I
 DM> I |Auto-Filter Duration          1 day I
 DM> `======================================'

 DM> This feature has auto-banned 50 IP addresses on Vertrauen over the last
 DM> 24 hours. Lower the threshold or increase the duration as you like.

Wow.  Well, that is certainly easier, and sounds like it works great.

Thank you, Digital Man.  I am continually amazed at your responsiveness 
to user's questions and needs.  It truly is un-matched and is so greatly 
appreciated.  Thank you very much!

I feel sorry for users of other BBS software.  :-)


... Pros are those who do their jobs well, even when they don't feel like it.
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