install_qos_spamhaus

install_qos_spamhaus(){
    clear
    f_banner
    echo -e "\e[34m---------------------------------------------------------------------------------------------------------\e[00m"
    echo -e "\e[93m[+]\e[00m Installing Mod_Qos/Spamhaus"
    echo -e "\e[34m---------------------------------------------------------------------------------------------------------\e[00m"
    echo ""
    apt-get -y install libapache2-mod-qos
    cp templates/qos /etc/apache2/mods-available/qos.conf
    apt-get -y install libapache2-mod-spamhaus
    cp templates/spamhaus /etc/apache2/mods-available/spamhaus.conf
    service apache2 restart
    say_done
}

La función install_qos_spamhaus instala los módulos de apache Mod_Qos y Mod_SpamHaus que protegen el servidor de Ataques DOS como el Slowroris (qos), y contra ataques de Inyección DNS usados por los Spammers. Hace uso de las plantillas que se encuentran en templates/qos y templates/spamhaus.

Qos

<IfModule qos_module.so>
  # minimum request rate (bytes/sec at request reading):
  QS_SrvRequestRate                                 120

  # limits the connections for this virtual host:
  QS_SrvMaxConn                                     100

  # allows keep-alive support till the server reaches 600 connections:
  QS_SrvMaxConnClose                                600

  # allows max 50 connections from a single ip address:
  QS_SrvMaxConnPerIP                                 50

  #Maximum Number of active TCP connections
  MaxClients                    192

  #Disable keep-alive when 70% of the TCP connections are occupied
  QS_SrvMaxConnClose            70%

  #Minimum request/response speed
  QS_SrvMinDataRate             150     1200

  # block clients violating some basic rules frequently (don't allows more than 20
  # violations within 5 minutes):
  QS_ClientEventBlockCount 20 300
  QS_SetEnvIfStatus 400 QS_Block
  QS_SetEnvIfStatus 401 QS_Block
  QS_SetEnvIfStatus 403 QS_Block
  QS_SetEnvIfStatus 404 QS_Block
  QS_SetEnvIfStatus 405 QS_Block
  QS_SetEnvIfStatus 406 QS_Block
  QS_SetEnvIfStatus 408 QS_Block
  QS_SetEnvIfStatus 411 QS_Block
  QS_SetEnvIfStatus 413 QS_Block
  QS_SetEnvIfStatus 414 QS_Block
  QS_SetEnvIfStatus 417 QS_Block
  QS_SetEnvIfStatus 500 QS_Block
  QS_SetEnvIfStatus 503 QS_Block
  QS_SetEnvIfStatus 505 QS_Block
  QS_SetEnvIfStatus QS_SrvMinDataRate QS_Block
  QS_SetEnvIfStatus NullConnection QS_Block

</IfModule>

spamhaus

  MS_METHODS POST,PUT,OPTIONS,CONNECT 
  MS_WhiteList /etc/spamhaus.wl 
  MS_CacheSize 256