====== mod-evasive (Apache) ======

Prevenir ataque DoS e força bruta.

===== Debian 7 =====

  # apt-get install libapache2-mod-evasive
  
Criar o arquivo ''/etc/apache2/mods-available/mod-evasive.conf'':

<code apache>
<IfModule evasive20_module>
    DOSHashTableSize    3097
    DOSPageCount        2
    DOSSiteCount        50
    DOSPageInterval     1
    DOSSiteInterval     1
    DOSBlockingPeriod   60
#    DOSEmailNotify someone@somewhere.com
</IfModule>
</code>

Executar no shell:

  # a2enmod mod-evasive
  # service apache2 restart
  
===== CentOS 6 =====


Em breve...
  
Fonte : https://library.linode.com/web-servers/apache/mod-evasive