René Berber wrote:

> Pavel Kosina wrote:
> 
>> I've got the log full of such a things:
>>
>> Mar 30 11:24:21 localhost sshd[17762]: Address 201.236.88.219 maps to 
>> webserver.ingenieriaambiental.cl, but this does not map
>>  back to the address - POSSIBLE BREAKIN ATTEMPT!
> 
> And after that?  The next line in the log should be the real break-in 
> attempt, with a user name and password.
> 
>> How to add it to denyhosts?
> 
> If, as you say, the log is full of those messages and there is nothing 
> else from the same IP address... you could add them by using a user 
> regex (in denyhosts.conf), something like:
> 
> USERDEF_FAILED_ENTRY_REGEX=Address (?P<user>\S+) maps .* does not map .*

Oops! sorry, it should say:

USERDEF_FAILED_ENTRY_REGEX=Address (?P<host>\S+) maps .* does not map .*

-- 
René Berber


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