<div dir="ltr"><div>Well, you could use some software like denyhosts or fail2ban to block an IP after a predefined number of (failed) authentication attempts.<br><br></div>Regards,<br><br>Ricardo<br></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Tue, Oct 1, 2013 at 5:07 AM, gincantalupo <span dir="ltr"><<a href="mailto:gincantalupo@fgasoftware.com" target="_blank">gincantalupo@fgasoftware.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi,<br>
<br>
I get a lot of these messages on my Asterisk CLI:<br>
<br>
"Failed to authenticate user 1000<sip:1000@MY_OWN_IP_<u></u>ADDRESS>;tag=03f82bb9"<br>
<br>
as if my PBX machine is trying to authenticate to itself. It seems someone is attacking my asterisk PBX.<br>
<br>
Is there a way to fix this problem?<br>
<br>
Thank you.<br>
<br>
Giorgio Incantalupo<span class="HOEnZb"><font color="#888888"><br>
<br>
<br>
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</font></span></blockquote></div><br><br clear="all"><br>-- <br><div dir="ltr"><div><b>Ricardo Saffi Marques</b><br></div><div><font size="1">[Linux SysAdmin]</font><br></div><div><b style="font-size:x-small"><br></b></div>
<div><b style="font-size:x-small">São Paulo/SP:</b><span style="font-size:x-small"> (11) 2104-000<font size="1">5</font></span><font size="1"><br></font></div><div><font size="1"><br></font></div><div><img src="http://www.braslink.com/images/logo4.gif"><br>
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