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   BBBS.ENGLISH      The International BBBS Support Echo      2,762 messages   

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   Message 2,750 of 2,762   
   Kim Heino to Sean Rima   
   Script to monitor for telnet bots   
   07 Feb 25 19:07:10   
   
   > Has anyone got a script that scans log0 for repeated offenders trying telnet,   
   > ftp etc   
      
   I'm using rate limiting on my firewall and block too many connections there.   
   It's better than inet.bbb and I've had zero problems with bots.   
      
   My choice for firewall is Foomuuri: https://github.com/FoobarOy/foomuuri   
      
   Example config:   
      
   macro {   
     bbbs_rate  saddr_rate "1/minute burst 2" saddr_rate_name bbbs_limit   
   }   
      
   public-localhost {   
     ftp bbbs_rate ipv4   
     ftp ipv6 reject      # bftpd doesn't support IPv6   
     ftps bbbs_rate ipv4   
     ftps ipv6 reject     # bftpd doesn't support IPv6   
     telnet bbbs_rate   
     tcp 24554 bbbs_rate  # BinkP   
     ...   
   }   
      
   > I have been checking some of the repeaters on my logs against abuseipdb and   
   > adding them to the blocked section of inet   
      
   Foomuuri can automatically import and refresh external IP-lists for block   
   lists.   
      
   Take a look at fail2ban too. It works nicely with Foomuuri. http   
   ://github.com/FoobarOy/foomuuri/issues/9   
      
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