<div dir="ltr">This is old news. They use Shodan and then try to connect. Set up Fail2Ban that say after 10 404's to ban the IP.<div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Apr 21, 2017 at 12:27 PM, Jerry Geis <span dir="ltr"><<a href="mailto:jerry.geis@gmail.com" target="_blank">jerry.geis@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I "justed" happened to look at /var/log/messages...<div><br></div><div>I saw:</div><div><div>Apr 21 12:18:40 in.tftpd[22719]: RRQ from 69.64.57.18 filename 0004f2034f6b.cfg</div><div>Apr 21 12:18:40 in.tftpd[22719]: Client 69.64.57.18 File not found 0004f2034f6b.cfg</div><div>Apr 21 12:18:40 in.tftpd[22720]: RRQ from 69.64.57.18 filename 0004f2034f6c.cfg</div><div>Apr 21 12:18:40 in.tftpd[22720]: Client 69.64.57.18 File not found 0004f2034f6c.cfg</div><div>Apr 21 12:18:40 in.tftpd[22721]: RRQ from 69.64.57.18 filename 0004f2034f6d.cfg</div><div>Apr 21 12:18:40 in.tftpd[22721]: Client 69.64.57.18 File not found 0004f2034f6d.cfg</div><div>Apr 21 12:18:40 in.tftpd[22722]: RRQ from 69.64.57.18 filename 0004f2034f6e.cfg</div></div><div><br></div><div>so basically an sequential read of polycom MAC address config files.</div><div>Some is trying to read to determine if I have any polycom files just sequential read after read.</div><div>And if so - it would get any extension and password at that time.</div><div>Luckily I have none.</div><div><br></div><div>However - how does one block attempts like this ?</div><div><br></div><div>Thanks!</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Jerry</div></font></span></div>
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