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

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   Message 1,106 of 2,762   
   Jeff Smith to Robert Wolfe   
   Telnet Login Attacks?   
   21 Jan 15 19:46:48   
   
   Hello Robert,   
      
   >> Any tips or suggestions as to a way to limit/avoids telnet login attacks on   
   >> BBBS?   
   >> Lately I have been getting numerious telnet login attempts by IP's that   
   >> reversely resolve to Asian countries. The same IP will try to login to all   
   >>available nodes. No actual login is attempted. Each open node will sit open a   
   >>the login name prompt.I have been adding up to 5 IP's at a time to the INET.B   
   >> file. Which then blocks those IP's. But there are plenty of other IP's. :-)   
   >> Is there an option in BBBS to limit the seconds that BBBS will wait for a   
   >> telnet login name before closing and releasing the open node? Right now the   
   >> open nodes just sit there in an open state. Effectively blocking any future   
   >> login attempts until the open nodes close or are closed.   
      
   > I believe you can set this up in inet.bbb IIRC.   
      
   The file INET.BBB seems to deal with access to outbound use of BBBS services   
   by users. And alias use thereof. It does deal with blocked domains and IP's   
   though.   
      
   Not sure if I got the syntax right though for the TRASHCAN file which blocks   
   the use of unallowable login names.   
      
   Jeff   
      
   --- BBBS/NT v4.01 Flag   
    * Origin: The Ouija Board - bbs.ouijabrd.net (1:282/1031)   

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