Fail2ban failure

Discussion in 'Server Operation' started by admins, Apr 9, 2013.

  1. admins

    admins Member HowtoForge Supporter

    Hi All
    I've a ubuntu 12.10 server with fail2ban.
    I've following in my log:
    fail2ban.filter : WARNING Determined IP using DNS Reverse Lookup: = ['']

    (more than hundert times), how can I fix it, that fail2ban will be in action?


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