FT> 4.9.2
 FT> El 11/06/17 a las 21:54, Ignatius escribió:
>> I've since recently put my board back on port 23... and I now recall why I
>> took it off of it. I keep getting all of these connections from hackers, I
>> take it. Anyone know of a way to filter these bad connections? >> 
>> I've tried Janis' iptables suggestion, but it isn't working. >> 
>> Thanks,
>> Joseph
>> 
>> 
>>  
 FT> try fail2ban

Have a look at this: 

https://github.com/punktniklas/NiKom/tree/master/Extras/Botcheck


--- NiKom v2.3.1