[AsteriskBrasil] Fail2Ban não bloqueia ataque

Patrick EL Youssef wushumasters em gmail.com
Quinta Março 28 17:38:15 BRT 2013


Se for asterisk 1.8

http://tuxmarcial.blogspot.com.br/2013/02/fail2ban-no-asterisk-18.html

Em 28-03-2013 17:23, André Luis Ribeiro escreveu:
> Boa Tarde
>
> Cara, eu uso esse script para instalar nos meus servidores. Em todos 
> os meus funcionam
>
> apt-get -y install fail2ban
> echo "[asterisk-iptables]" >> /etc/fail2ban/jail.conf
> echo "enabled = true" >> /etc/fail2ban/jail.conf
> echo "filter = asterisk" >> /etc/fail2ban/jail.conf
> echo "action = iptables-allports[name=ASTERISK, protocol=all]" >> 
> /etc/fail2ban/jail.conf
> echo "sendmail-whois[name=ASTERISK, dest=root, 
> sender=fail2ban em example.org <mailto:fail2ban em example.org>]" >> 
> /etc/fail2ban/jail.conf
> echo "logpath = /var/log/asterisk/messages" >> /etc/fail2ban/jail.conf
> sed -i 's/bantime  = 600/bantime  = 7600/g' /etc/fail2ban/jail.conf
> sed -i 's/maxretry = 3/maxretry = 6/g' /etc/fail2ban/jail.conf
> touch /etc/fail2ban/filter.d/asterisk.conf
> echo "" > /etc/fail2ban/filter.d/asterisk.conf
> echo "[INCLUDES]" >> /etc/fail2ban/filter.d/asterisk.conf
> echo "" >> /etc/fail2ban/filter.d/asterisk.conf
> echo "[Definition]" >> /etc/fail2ban/filter.d/asterisk.conf
> echo "failregex = ^.* .*NOTICE.* .*: Registration from '.*' failed for 
> '<HOST>' - Wrong password" >> /etc/fail2ban/filter.d/asterisk.conf
> echo "           ^.* .*NOTICE.* .*: Registration from '.*' failed for 
> '<HOST>' - No matching peer found" >> /etc/fail2ban/filter.d/asterisk.conf
> echo "           ^.* .*NOTICE.* .*: Registration from '.*' failed for 
> '<HOST>' - Username/auth name mismatch" >> 
> /etc/fail2ban/filter.d/asterisk.conf
> echo "           ^.* .*NOTICE.* .*: Registration from '.*' failed for 
> '<HOST>' - Device does not match ACL" >> 
> /etc/fail2ban/filter.d/asterisk.conf
> echo "           ^.* .*NOTICE.* <HOST> failed to authenticate as 
> '.*'\$" >> /etc/fail2ban/filter.d/asterisk.conf
> echo "           ^.* .*NOTICE.* .*: No registration for peer '.*' 
> \(from <HOST>\)" >> /etc/fail2ban/filter.d/asterisk.conf
> echo "           ^.* .*NOTICE.* .*: Host <HOST> failed MD5 
> authentication for '.*' (.*)" >> /etc/fail2ban/filter.d/asterisk.conf
> echo "           ^.* .*NOTICE.* .*: Failed to authenticate user 
> .*@<HOST>.*" >> /etc/fail2ban/filter.d/asterisk.conf
> echo "           ^.* .*NOTICE.* .*: Registration from '.*' failed for 
> '<HOST>' - Device not configured to use this transport type" >> 
> /etc/fail2ban/filter.d/asterisk.conf
> echo "           ^.* .*NOTICE.* .*: .*: Registration from '.*' failed 
> for '<HOST>' - Device not configured to use this transport type" >> 
> /etc/fail2ban/filter.d/asterisk.conf
> echo "ignoreregex =" >> /etc/fail2ban/filter.d/asterisk.conf
> sed -i 's/dateformat=.*/dateformat=%F %T/g' /etc/asterisk/logger.conf
> sed -i '/^messages/d' /etc/asterisk/logger.conf
> echo "messages => verbose,warning,error,notice" >> 
> /etc/asterisk/logger.conf
> asterisk -rx "logger reload"
>
>
>
> On Mon, Feb 4, 2013 at 11:36 AM, Silvio Garbes <silviogarbes em gmail.com 
> <mailto:silviogarbes em gmail.com>> wrote:
>
>     Em resposta a mensagem de "João Marcelo Queiroz" na pergunta de
>     "Fail2Ban não bloqueia ataque" em "Quarta Janeiro 5 10:40:26 BRST
>     2011".
>
>     Estive com o mesmo problema e descobri que da versão 1.8 do
>     asterisk para a versão 1.4 deve-se alterar o arquivo
>     "/etc/fail2ban/filter.d/asterisk.conf". No log do asterisk da
>     versão 1.8 ou superior a porta de destino vem junto com o log.
>
>     De:
>     failregex = NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>' - Wrong password$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>' - No matching peer found$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>' - Username/auth name mismatch$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>' - Device does not match ACL$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>' - Peer is not supposed to register$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>' - ACL error (permit/deny)$
>                 NOTICE%(__pid_re)s <HOST> failed to authenticate as '.*'$
>                 NOTICE%(__pid_re)s .*: No registration for peer '.*'
>     \(from <HOST>\)$
>                 NOTICE%(__pid_re)s .*: Host <HOST> failed MD5
>     authentication for '.*' (.*)$
>                 NOTICE%(__pid_re)s .*: Failed to authenticate user
>     .*@<HOST>.*$
>
>
>     Para:
>     failregex = NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>:.*' - Wrong password$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>:.*' - No matching peer found$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>:.*' - Username/auth name mismatch$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>:.*' - Device does not match ACL$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>:.*' - Peer is not supposed to register$
>                 NOTICE%(__pid_re)s .*: Registration from '.*' failed
>     for '<HOST>:.*' - ACL error (permit/deny)$
>                 NOTICE%(__pid_re)s <HOST> failed to authenticate as '.*'$
>                 NOTICE%(__pid_re)s .*: No registration for peer '.*'
>     \(from <HOST>\)$
>                 NOTICE%(__pid_re)s .*: Host <HOST> failed MD5
>     authentication for '.*' (.*)$
>                 NOTICE%(__pid_re)s .*: Failed to authenticate user
>     .*@<HOST>.*$
>
>
>     Cordialmente,
>
>     Sílvio Garbes Lara
>
>
>     _______________________________________________
>     EBS MODULAR: 3 slots para combinação entre E1, GSM, FXS ou FXO;
>     Linha de PORTEIROS IP, abrem até 2 dispositivos com acesso IP remoto;
>     Conheça esses e outros LANÇAMENTOS KHOMP em www.Khomp.com
>     <http://www.Khomp.com>
>     _______________________________________________
>     DIGIVOICE  Fabricante de Placas de Voz e Channel Bank
>     20 anos de experiência com E1(R2/ISDN), FXS, FXO e GSM
>     Centro Treinamento - Curso de PABX IP -  Asterisk  - Site
>     www.digivoice.com.br <http://www.digivoice.com.br>
>     _______________________________________________
>     ALIGERA -- Fabricante nacional de Gateways SIP-E1 para R2, ISDN e SS7.
>     Placas de 1E1, 2E1, 4E1 e 8E1 para PCI ou PCI Express.
>     Channel Bank -- Appliance Asterisk - Acesse www.aligera.com.br
>     <http://www.aligera.com.br>.
>     _______________________________________________
>     Para remover seu email desta lista, basta enviar um email em
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>
>
>
>
> -- 
> ___________________________________________
> André Luis Peres Ribeiro     16 92340876
>
>
> _______________________________________________
> KHOMP: completa linha de placas externas FXO, FXS, GSM e E1;
> Media Gateways de 1 a 64 E1s para SIP com R2, ISDN e SS7;
> Intercomunicadores para acesso remoto via rede IP. Conheça em www.Khomp.com.
> _______________________________________________
> DIGIVOICE  Fabricante de Placas de Voz e Channel Bank
> 20 anos de experiência com E1(R2/ISDN), FXS, FXO e GSM
> Centro Treinamento - Curso de PABX IP -  Asterisk  - Site  www.digivoice.com.br
> _______________________________________________
> ALIGERA -- Fabricante nacional de Gateways SIP-E1 para R2, ISDN e SS7.
> Placas de 1E1, 2E1, 4E1 e 8E1 para PCI ou PCI Express.
> Channel Bank -- Appliance Asterisk - Acesse www.aligera.com.br.
> _______________________________________________
> Para remover seu email desta lista, basta enviar um email em branco para asteriskbrasil-unsubscribe em listas.asteriskbrasil.org

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