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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com]
<b>On Behalf Of </b>Jerry Geis<br>
<b>Sent:</b> Friday, April 21, 2017 12:28 PM<br>
<b>To:</b> Asterisk Users Mailing List - Non-Commercial Discussion <asterisk-users@lists.digium.com><br>
<b>Subject:</b> [asterisk-users] Hack attempt sequential config file read looking for valid files.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I "justed" happened to look at /var/log/messages...<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I saw:<o:p></o:p></p>
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<p class="MsoNormal">Apr 21 12:18:40 in.tftpd[22719]: RRQ from 69.64.57.18 filename 0004f2034f6b.cfg<o:p></o:p></p>
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<p class="MsoNormal">Apr 21 12:18:40 in.tftpd[22719]: Client 69.64.57.18 File not found 0004f2034f6b.cfg<o:p></o:p></p>
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<p class="MsoNormal">Apr 21 12:18:40 in.tftpd[22720]: RRQ from 69.64.57.18 filename 0004f2034f6c.cfg<o:p></o:p></p>
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<p class="MsoNormal">Apr 21 12:18:40 in.tftpd[22720]: Client 69.64.57.18 File not found 0004f2034f6c.cfg<o:p></o:p></p>
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<p class="MsoNormal">Apr 21 12:18:40 in.tftpd[22721]: RRQ from 69.64.57.18 filename 0004f2034f6d.cfg<o:p></o:p></p>
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<p class="MsoNormal">Apr 21 12:18:40 in.tftpd[22721]: Client 69.64.57.18 File not found 0004f2034f6d.cfg<o:p></o:p></p>
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<p class="MsoNormal">Apr 21 12:18:40 in.tftpd[22722]: RRQ from 69.64.57.18 filename 0004f2034f6e.cfg<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">so basically an sequential read of polycom MAC address config files.<o:p></o:p></p>
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<p class="MsoNormal">Some is trying to read to determine if I have any polycom files just sequential read after read.<o:p></o:p></p>
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<p class="MsoNormal">And if so - it would get any extension and password at that time.<o:p></o:p></p>
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<p class="MsoNormal">Luckily I have none.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">However - how does one block attempts like this ?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks!<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Jerry<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Jerry,<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Can you change to FTP Provisioning, or HTTPS etc? Atleast with FTP you can set a user/pass to your directory with mac.cfg to prevent open access.<o:p></o:p></span></p>
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