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    na verdade para ataques o fail2ban &eacute; bem util, mas se por um acaso
    alguem conseguir acesso ao sevidor antes do bloqueio ele poder&aacute;
    fazer as chamadas e gerar um bom prejuizo financeiro, ent&atilde;o scripts
    para tentar achar chamadas fora de padr&atilde;o &eacute; interessante, voc&ecirc;
    conhecendo o perfil dos usu&aacute;rios voc&ecirc; pode definir um padr&atilde;o
    aceitavel pras chamadas, ex: se voc&ecirc; tem um pabx, e a media de
    chamadas &eacute; de 3 a 4 chamadas simultaneas com media de 5 minutos, com
    certeza 30 chamadas simultaneas em up a mais de 10 minutos &eacute; fora de
    padr&atilde;o, ou ent&atilde;o o disparo de 300 chamadas em menos de 1 minutos,
    este tipo de coisa<br>
    <br>
    <br>
    Em 06-06-2012 10:49, Hudson Cardoso escreveu:
    <blockquote cite="mid:SNT142-W639C93D0EBE5178687F7EDA30D0@phx.gbl"
      type="cite">
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        <font style="font-size:12pt;" size="3"><br id="FontBreak">
        </font>Achei isso tambem.... Falso senso de seguranca....
        <div><a moz-do-not-send="true"
            href="http://forums.asterisk.org/viewtopic.php?p=159984">http://forums.asterisk.org/viewtopic.php?p=159984</a>&nbsp;</div>
        <div><br>
        </div>
        <div>Vou fazer meu proprio fail2ban<br>
          <br>
          <div><br>
          </div>
          Hudson <br>
          048 8413 7000
          <div>048 3039 8899 opcao 2</div>
          <div><a class="moz-txt-link-abbreviated" href="http://www.easyteltelecom.com.br">www.easyteltelecom.com.br</a></div>
          <div><br>
          </div>
          <div>Para quem nao cre, nenhuma prova converte,</div>
          <div>Para aquele que cre, nenhuma prova precisa.</div>
          <br>
          <br>
          <div>
            <hr id="stopSpelling">Date: Mon, 4 Jun 2012 21:02:09 -0300<br>
            From: <a class="moz-txt-link-abbreviated" href="mailto:alclicio@gmail.com">alclicio@gmail.com</a><br>
            To: <a class="moz-txt-link-abbreviated" href="mailto:asteriskbrasil@listas.asteriskbrasil.org">asteriskbrasil@listas.asteriskbrasil.org</a><br>
            Subject: Re: [AsteriskBrasil] Fail2ban<br>
            <br>
            Perfeito cara,
            <div><br>
            </div>
            <div>S&oacute; foi alterar isso e tudo certo veja o resultado e
              email no email do servidor que recebi</div>
            <div><br>
            </div>
            <div>=============================================================</div>
            <div><span>Hi,</span><br>
              <br>
              <span>The IP 201.47.170.59 has just been banned by
                Fail2Ban after</span><br>
              <span>4 attempts against ASTERISK.</span><br>
              <br>
              <br>
              <span>Here are more information about&nbsp;</span><a
                moz-do-not-send="true" href="http://201.47.170.59/"
                target="_blank">201.47.170.59</a><span>:</span><br>
              <br>
              <br>
              <br>
              <span>Regards,</span><br>
              <br>
              <span>Fail2Ban</span>
            </div>
            <div><span>=============================================================</span></div>
            <div><span><br>
              </span></div>
            <div><span><br>
              </span></div>
            <div><span><br>
              </span></div>
            <div><span>\0/ ..... Valeu</span></div>
            <div><br>
              <br>
              <div class="ecxgmail_quote">Em 4 de junho de 2012 19:44,
                Roger Pitigliani <span dir="ltr">&lt;<a
                    moz-do-not-send="true"
                    href="mailto:rogerwinter@gmail.com">rogerwinter@gmail.com</a>&gt;</span>
                escreveu:<br>
                <blockquote class="ecxgmail_quote"
                  style="border-left:1px #ccc solid;padding-left:1ex">
                  Alclicio,<br>
                  <br>
                  o Elastix 2.3 utiliza o Asterisk 1.8 (Se n&atilde;o for
                  instalado via update<br>
                  de vers&otilde;es anteriores)...<br>
                  Ent&atilde;o, no asterisk 1.8 o log gerado no arquivo<br>
                  "/var/log/asterisk/full" est&aacute; com uma modifica&ccedil;&atilde;o,
                  pois junto com o<br>
                  host vem a porta da conex&atilde;o (&lt;HOST:PORTA&gt;).<br>
                  <br>
                  Para que funcione vc tem que alterar as express&otilde;es no
                  seu<br>
                  "/etc/fail2ban/filter.d/asterisk.conf" conforme
                  abaixo:<br>
                  Caso contr&aacute;rio o fail2ban roda, por&eacute;m n&atilde;o faz nenhum
                  tipo de bloqueio,<br>
                  pois as linhas no log est&atilde;o diferentes do que ele
                  espera/procura.<br>
                  <br>
                  ==========<br>
                  Registration from '.*' failed for
                  '&lt;HOST&gt;(:[0-9]{1,5})?' - Wrong password<br>
                  Registration from '.*' failed for
                  '&lt;HOST&gt;(:[0-9]{1,5})?' - No matching<br>
                  peer found<br>
                  Registration from '.*' failed for
                  '&lt;HOST&gt;(:[0-9]{1,5})?' -<br>
                  Username/auth name mismatch<br>
                  Registration from '.*' failed for
                  '&lt;HOST&gt;(:[0-9]{1,5})?' - Device does<br>
                  not match ACL<br>
                  Registration from '.*' failed for
                  '&lt;HOST&gt;(:[0-9]{1,5})?' - Peer is not<br>
                  supposed to register<br>
                  ==========<br>
                  <br>
                  Refer&ecirc;ncia:<br>
                  <a moz-do-not-send="true"
                    href="http://www.fail2ban.org/wiki/index.php/Talk:Asterisk"
                    target="_blank">http://www.fail2ban.org/wiki/index.php/Talk:Asterisk</a><br>
                  <br>
                  Espero que o ajude.<br>
                  Abra&ccedil;o<br>
                  <br>
                  <br>
                  -<br>
                  Roger Pitigliani<br>
                  <a moz-do-not-send="true"
                    href="mailto:rogerwinter@gmail.com">rogerwinter@gmail.com</a><br>
                  Porto Alegre - RS<br>
                  <div><br>
                    <br>
                    <br>
                    Em 3 de junho de 2012 14:53, Alclicio Vieira &lt;<a
                      moz-do-not-send="true"
                      href="mailto:alclicio@gmail.com">alclicio@gmail.com</a>&gt;
                    escreveu:<br>
                    &gt;<br>
                  </div>
                  <div>
                    <div>&gt; Pessoal,<br>
                      &gt;<br>
                      &gt; Segui esse tutorial, por&eacute;m ainda
                      aparentemente ainda n&atilde;o est&aacute; funcionando o
                      Fail2ban<br>
                      &gt;<br>
                      &gt;<br>
                      &gt;
##########################################################################<br>
                      &gt;<br>
                      &gt; Configurando o Fail2Ban<br>
                      &gt;<br>
                      &gt; Agora n&oacute;s precisamos fazer com que o fail2ban
                      seja capaz de identificar ataques contra o
                      asterisk.<br>
                      &gt;<br>
                      &gt; Os arquivos de configura&ccedil;&atilde;o ficam
                      em:&nbsp;/etc/fail2ban/filter.d<br>
                      &gt;<br>
                      &gt; Vamos criar aqui um arquivo para o asterisk.<br>
                      &gt;<br>
                      &gt; #touch asterisk.conf<br>
                      &gt;<br>
                      &gt; Este arquivo deve conter o seguinte:<br>
                      &gt;<br>
                      &gt; [INCLUDES]<br>
                      &gt;<br>
                      &gt; [Definition]<br>
                      &gt; failregex = NOTICE.* .*: Registration from
                      &#8216;.*&#8217; failed for &#8216;&lt;HOST&gt;&#8217; &#8211; Wrong password<br>
                      &gt; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NOTICE.* .*: Registration from
                      &#8216;.*&#8217; failed for &#8216;&lt;HOST&gt;&#8217; &#8211; No matching peer
                      found<br>
                      &gt; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NOTICE.* .*: Registration from
                      &#8216;.*&#8217; failed for &#8216;&lt;HOST&gt;&#8217; &#8211; Username/auth
                      name mismatch<br>
                      &gt; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NOTICE.* .*: Registration from
                      &#8216;.*&#8217; failed for &#8216;&lt;HOST&gt;&#8217; &#8211; Device does not
                      match ACL<br>
                      &gt; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NOTICE.* &lt;HOST&gt; failed to
                      authenticate as &#8216;.*&#8217;$<br>
                      &gt; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NOTICE.* .*: No registration for
                      peer &#8216;.*&#8217; \(from &lt;HOST&gt;\)<br>
                      &gt; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NOTICE.* .*: Host &lt;HOST&gt;
                      failed MD5 authentication for &#8216;.*&#8217; (.*)<br>
                      &gt; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NOTICE.* .*: Failed to
                      authenticate user .*@&lt;HOST&gt;.*<br>
                      &gt; ignoreregex =<br>
                      &gt;<br>
                      &gt; No aquivo&nbsp;/etc/fail2ban/jail.conf&nbsp; inclua as
                      seguintes linhas:<br>
                      &gt;<br>
                      &gt; [asterisk-iptables]<br>
                      &gt;<br>
                      &gt; enabled&nbsp; = true<br>
                      &gt; filter&nbsp;&nbsp; = asterisk<br>
                      &gt; action&nbsp;&nbsp; = iptables-allports[name=ASTERISK,
                      protocol=all]<br>
                      &gt; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; sendmail-whois[name=ASTERISK,
                      dest=root, sender=<a moz-do-not-send="true"
                        href="mailto:alclicio@gmail.com">alclicio@gmail.com</a>]
                      #aqui devo colocar meu email ?<br>
                      &gt; logpath&nbsp; = /var/log/asterisk/full<br>
                      &gt; maxretry = 3<br>
                      &gt; bantime = 259200<br>
                      &gt; Maxretry&nbsp;determina a quantidade de erros que
                      o fail2ban vai aceitar de um determinado host
                      antes de bani-lo.<br>
                      &gt;<br>
                      &gt; O&nbsp;bantime&nbsp;&eacute; em segundos, portanto neste caso
                      qualquer tentativa de ataque ao asterisk ser&aacute;
                      banida por 72 horas.<br>
                      &gt;<br>
                      &gt; Para n&atilde;o banir voc&ecirc; mesmo, no jail.conf,
                      procure pela tag [DEFAULT], no paramento ignoreip
                      informe seu ip.<br>
                      &gt;<br>
                      &gt; Edite o&nbsp;/etc/asterisk/logger.conf&nbsp;e defina o
                      dateformat da seguinte forma.<br>
                      &gt;<br>
                      &gt; &nbsp;[general]<br>
                      &gt; dateformat=%F %T<br>
                      &gt;<br>
                      &gt; Na sess&atilde;o [logfiles] voc&ecirc; deve inserir a
                      seguinte linha:<br>
                      &gt;<br>
                      &gt; syslog.local0&nbsp;=&gt;&nbsp;notice<br>
                      &gt;<br>
                      &gt; Feito isso &eacute; s&oacute; dar reload no logger<br>
                      &gt;<br>
                      &gt; asterisk&nbsp;-rx&nbsp;&#8221;logger&nbsp;reload&#8221;<br>
                      &gt;<br>
                      &gt; Para verificar se o fail2ban subiu, basta
                      rodar o seguinte comando:<br>
                      &gt;<br>
                      &gt; iptables -L -v<br>
                      &gt;<br>
                      &gt; As seguintes linhas devem aparecer:<br>
                      &gt;<br>
                      &gt; Chain fail2ban-ASTERISK (1 references)<br>
                      &gt; &nbsp;pkts bytes target&nbsp;&nbsp;&nbsp;&nbsp; prot opt in&nbsp;&nbsp;&nbsp;&nbsp;
                      out&nbsp;&nbsp;&nbsp;&nbsp; source&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; destination<br>
                      &gt; 6287K 1158M RETURN&nbsp;&nbsp;&nbsp;&nbsp; all&nbsp; &#8211;&nbsp; any&nbsp;&nbsp;&nbsp; any&nbsp;&nbsp;&nbsp;&nbsp;
                      anywhere&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; anywhere<br>
                      &gt;<br>
                      &gt;<br>
                      &gt; Estou configurando no elastix 2.3.0, tem algo
                      a mais a fazer? tentei autenticar um ramal externo
                      com a senha errada por mais de 3 vezes e ainda n&atilde;o
                      est&aacute; banindo.<br>
                      &gt;<br>
                      &gt; --<br>
                      &gt; ALCLICIO VIEIRA,<br>
                      &gt; ITIL&reg; V3 Certification,<br>
                      &gt; Crea-DF 10476 Telecom<br>
                      &gt;<br>
                      &gt; Phone:<a moz-do-not-send="true"
                        target="_blank">55&nbsp;(11) 3509-2505</a>&nbsp;- S&atilde;o
                      Paulo<br>
                      &gt; Phone:<a moz-do-not-send="true"
                        target="_blank">55&nbsp;(61) 4063-7110</a>&nbsp;- Bras&iacute;lia<br>
                      &gt; Phone:<a moz-do-not-send="true"
                        target="_blank">55&nbsp;(62) 3416-7800</a>&nbsp;- Goi&aacute;s<br>
                      &gt;<br>
                      &gt;<br>
                      &gt;<br>
                      &gt;<br>
                    </div>
                  </div>
                  <div>&gt;
                    _______________________________________________<br>
                    &gt; KHOMP Inova&ccedil;&atilde;o: External Board Series<br>
                    &gt; M&oacute;dulos de 1/2 rack e 1U para todas as
                    interfaces e solu&ccedil;&otilde;es Asterisk e FreeSWITCH.<br>
                    &gt; Tenha a External Series Experience na sua
                    aplica&ccedil;&atilde;o. Visite&nbsp;<a moz-do-not-send="true"
                      href="http://www.khomp.com" target="_blank">www.khomp.com</a><br>
                    &gt; _______________________________________________<br>
                    &gt; DIGIVOICE &nbsp;Fabricante de Placas de Voz e
                    Channel Bank<br>
                    &gt; 20 anos de experi&ecirc;ncia com E1(R2/ISDN), FXS,
                    FXO e GSM<br>
                    &gt; Centro Treinamento - Curso de PABX IP -
                    &nbsp;Asterisk &nbsp;- Site &nbsp;<a moz-do-not-send="true"
                      href="http://www.digivoice.com.br" target="_blank">www.digivoice.com.br</a><br>
                    &gt; ________<br>
                    &gt; YEALINK: Telefones IP e V&iacute;deoPhones IP com o
                    melhor custo/benef&iacute;cio do mercado.<br>
                    &gt; email: <a moz-do-not-send="true"
                      href="mailto:yealink@commlogik.com.br">yealink@commlogik.com.br</a>
                    | <a moz-do-not-send="true"
                      href="http://www.commlogik.com.br" target="_blank">www.commlogik.com.br</a>
                    | <a moz-do-not-send="true" target="_blank">(11)
                      5503-1011</a><br>
                    &gt; ______________________________________________<br>
                    &gt; Para remover seu email desta lista, basta
                    enviar um email em branco para <a
                      moz-do-not-send="true"
                      href="mailto:asteriskbrasil-unsubscribe@listas.asteriskbrasil.org">asteriskbrasil-unsubscribe@listas.asteriskbrasil.org</a><br>
                    <br>
                    <br>
                    <br>
                    <br>
                    --<br>
                  </div>
                  --<br>
                  Roger Pitigliani<br>
                  <a moz-do-not-send="true"
                    href="mailto:rogerwinter@gmail.com">rogerwinter@gmail.com</a><br>
                  Skype: roger.pitigliani<br>
                  <div>
                    <div>_______________________________________________<br>
                      KHOMP Inova&ccedil;&atilde;o: External Board Series<br>
                      M&oacute;dulos de 1/2 rack e 1U para todas as interfaces
                      e solu&ccedil;&otilde;es Asterisk e FreeSWITCH.<br>
                      Tenha a External Series Experience na sua
                      aplica&ccedil;&atilde;o. Visite&nbsp;<a moz-do-not-send="true"
                        href="http://www.khomp.com" target="_blank">www.khomp.com</a><br>
                      _______________________________________________<br>
                      DIGIVOICE &nbsp;Fabricante de Placas de Voz e Channel
                      Bank<br>
                      20 anos de experi&ecirc;ncia com E1(R2/ISDN), FXS, FXO e
                      GSM<br>
                      Centro Treinamento - Curso de PABX IP - &nbsp;Asterisk
                      &nbsp;- Site &nbsp;<a moz-do-not-send="true"
                        href="http://www.digivoice.com.br"
                        target="_blank">www.digivoice.com.br</a><br>
                      ________<br>
                      YEALINK: Telefones IP e V&iacute;deoPhones IP com o
                      melhor custo/benef&iacute;cio do mercado.<br>
                      email: <a moz-do-not-send="true"
                        href="mailto:yealink@commlogik.com.br">yealink@commlogik.com.br</a>
                      | <a moz-do-not-send="true"
                        href="http://www.commlogik.com.br"
                        target="_blank">www.commlogik.com.br</a> | <a
                        moz-do-not-send="true" target="_blank">(11)
                        5503-1011</a><br>
                      ______________________________________________<br>
                      Para remover seu email desta lista, basta enviar
                      um email em branco para <a moz-do-not-send="true"
href="mailto:asteriskbrasil-unsubscribe@listas.asteriskbrasil.org">asteriskbrasil-unsubscribe@listas.asteriskbrasil.org</a><br>
                    </div>
                  </div>
                </blockquote>
              </div>
              <br>
              <br clear="all">
              <div><br>
              </div>
              -- <br>
              ALCLICIO VIEIRA,<br>
              ITIL&reg; V3 Certification,<br>
              Crea-DF 10476 Telecom<br>
              <br>
              <div><span
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">Phone:55&nbsp;</span><a
                  moz-do-not-send="true"
                  style="line-height:16px;color:rgb(0,0,204);font-family:Arial,sans-serif"
                  target="_blank">(11) 3509-2505</a><span
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">&nbsp;-
                  S&atilde;o Paulo</span><br
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">
                <span
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">Phone</span><span
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">:55&nbsp;</span><a
                  moz-do-not-send="true"
                  style="line-height:16px;color:rgb(0,0,204);font-family:Arial,sans-serif"
                  target="_blank">(61) 4063-7110</a><span
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">&nbsp;-
                  Bras&iacute;lia</span><br
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">
                <div><span
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">Phone</span><span
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">:55&nbsp;</span><a
                    moz-do-not-send="true"
                    style="line-height:16px;color:rgb(0,0,204);font-family:Arial,sans-serif"
                    target="_blank">(62) 3416-7800&nbsp;</a><span
style="line-height:16px;color:rgb(0,64,128);font-family:Arial,sans-serif">-
                    Goi&aacute;s</span>&nbsp; &nbsp;<br>
                  <div>
                    <div><br>
                      <br>
                    </div>
                  </div>
                </div>
              </div>
              <br>
            </div>
            <br>
            _______________________________________________
            KHOMP Inova&#65533;&#65533;o: External Board Series
            M&#65533;dulos de 1/2 rack e 1U para todas as interfaces e solu&#65533;&#65533;es
            Asterisk e FreeSWITCH.
            Tenha a External Series Experience na sua aplica&#65533;&#65533;o.
            Visite&#65533;www.khomp.com
            _______________________________________________
            DIGIVOICE Fabricante de Placas de Voz e Channel Bank
            20 anos de experi&#65533;ncia com E1(R2/ISDN), FXS, FXO e GSM
            Centro Treinamento - Curso de PABX IP - Asterisk - Site
            <a class="moz-txt-link-abbreviated" href="http://www.digivoice.com.br">www.digivoice.com.br</a>
            ________
            YEALINK: Telefones IP e V&#65533;deoPhones IP com o melhor
            custo/benef&#65533;cio do mercado.
            email: <a class="moz-txt-link-abbreviated" href="mailto:yealink@commlogik.com.br">yealink@commlogik.com.br</a> | <a class="moz-txt-link-abbreviated" href="http://www.commlogik.com.br">www.commlogik.com.br</a> |
            (11) 5503-1011
            ______________________________________________
            Para remover seu email desta lista, basta enviar um email em
            branco para
            <a class="moz-txt-link-abbreviated" href="mailto:asteriskbrasil-unsubscribe@listas.asteriskbrasil.org">asteriskbrasil-unsubscribe@listas.asteriskbrasil.org</a></div>
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      <pre wrap="">_______________________________________________
KHOMP Inova&ccedil;&atilde;o: External Board Series
M&oacute;dulos de 1/2 rack e 1U para todas as interfaces e solu&ccedil;&otilde;es Asterisk e FreeSWITCH.
Tenha a External Series Experience na sua aplica&ccedil;&atilde;o. Visite&nbsp;<a class="moz-txt-link-abbreviated" href="http://www.khomp.com">www.khomp.com</a>
_______________________________________________
DIGIVOICE  Fabricante de Placas de Voz e Channel Bank
20 anos de experi&ecirc;ncia com E1(R2/ISDN), FXS, FXO e GSM
Centro Treinamento - Curso de PABX IP -  Asterisk  - Site  <a class="moz-txt-link-abbreviated" href="http://www.digivoice.com.br">www.digivoice.com.br</a>
________
YEALINK: Telefones IP e V&iacute;deoPhones IP com o melhor custo/benef&iacute;cio do mercado.
email: <a class="moz-txt-link-abbreviated" href="mailto:yealink@commlogik.com.br">yealink@commlogik.com.br</a> | <a class="moz-txt-link-abbreviated" href="http://www.commlogik.com.br">www.commlogik.com.br</a> | (11) 5503-1011
______________________________________________
Para remover seu email desta lista, basta enviar um email em branco para <a class="moz-txt-link-abbreviated" href="mailto:asteriskbrasil-unsubscribe@listas.asteriskbrasil.org">asteriskbrasil-unsubscribe@listas.asteriskbrasil.org</a></pre>
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