Subj : Re: Telnet, TelnetS, and SSH Connections
To   : All
From : Fernando Toledo
Date : Tue Aug 12 2025 08:16 pm

El 11/8/25 a las 16:50, Scott Street (1:266/625) escribió:
> To my fellow Sysop's with Telnet, TelnetS, and SSH ports open to the Internet:
> 
> A question, perhaps even a poll,  what kind of 'protection' do you have in place for abusive connections?
> 
> For example, I already have entire country IP assignments blocked and if a host (IP) connects more then 5 times in a 60 second window, that IP is blocked, and added to my firewall's drop rules.  These seems to have reduced the number of unwanted connections over the last year or so.
> 
> Does anyone have a better scheme?

fail2ban works fine.
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