Bloccare gli spambot su Apache con mod defensible

• Installare mod_defensible

sudo apt-get install libapache2-mod-defensible

• Abilitare il modulo

sudo a2enmod defensible

• Creare il file di configurazione

sudoedit /etc/apache2/mods-enabled/defensible.conf

<IfModule mod_defensible.c>d
    DnsblUse On
    # Use only one, or there will be a big lag in serving pages
    DnsblServers zen.spamhaus.org bl.blocklist.de 
    # These are other lists
    # to check them vs ip 1.2.3.4 do:
    # host 4.3.2.1.bsb.spamlookup.net
    #DnsblServers sbl-xbl.spamhaus.org bsb.spamlookup.net bl.blbl.org opm.blitzed.org sbl-xbl.spamhau
s.org xbl-bl.spamhaus.org  httpbl.abuse.ch
    # Use this only if mod_defensible is compiled with UDNS. Debian 1.4-3 does not use udns
    #DnsblNameserver 127.0.0.1
</IfModule>

• Riavviare apache

• Verificare nei log

sudo cat /var/log/apache2/error.log | grep -i dnsbl

[Thu Jan 10 15:00:38 2013] [error] [client 1.2.3.4] denied by DNSBL: sbl-xbl.spamhaus.org for: /path/d/2378-2/PB290094.JPG

• È possibile segnalare wu http://www.blocklist.de gli IP maligni

Alternative

• How To Block Spammers/Hackers With Apache2's mod_spamhaus (Debian Etch) | HowtoForge - Linux Howtos and Tutorials
• Luca Ercoli » Personal home page

Riferimenti

• mod_defensible | Julien Danjou
• How To Block Spammers/Hackers With mod_defensible On Apache2 (Debian Etch) | HowtoForge - Linux Howtos and Tutorials
• Teniamo lontani gli spammer con mod_defensible -
• [ubuntu mod_defensible - Ubuntu Forums]