<div dir="ltr">thank you all for your support. I am using Linux, I only have about 7 users outside our home network. I will learn fail2ban and will use it accordingly. <div><br></div><div>again Thanks for your support. </div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Apr 4, 2014 at 7:09 AM, Mauricio Tavares <span dir="ltr"><<a href="mailto:raubvogel@gmail.com" target="_blank">raubvogel@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"><br><div class="gmail_extra"><br><br><div class="gmail_quote"><div class="">On Fri, Apr 4, 2014 at 10:05 AM, Daniel Taylor <span dir="ltr"><<a href="mailto:dtaylor@vocalabs.com" target="_blank">dtaylor@vocalabs.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>I don't know what platform you are on,
but if you are on Linux (and possibly BSD) you could use
"fail2ban" to block them at the network interface.<div><div><br></div></div></div></div></blockquote></div><div> I second fail2ban. If you need some ideas to configure it, you can steal them from the freepbx setup.<br>
<br></div><div> How many sip phones do you have outside your network? If few and in well-known IPs, consider limiting access to only those (and the sip provider you are using).<br> <br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div class="h5">
<div bgcolor="#FFFFFF" text="#000000"><div><div><div>
<br>
On 04/04/2014 09:00 AM, motty cruz wrote:<br>
</div></div></div><div><div>
<blockquote type="cite">
<div dir="ltr">Hello All, my asterisk server is constantly under
attack
<div><br>
[Apr 4 06:56:00] NOTICE[21745]: chan_sip.c:25673
handle_request_register: Registration from '"4941"
<sip:4941@public_ip>' failed for '<span>194.100.46.132</span><span dir="ltr"><span dir="ltr"><span><img><span>194.100.46.132</span><span></span></span></span></span>:56714'
- Wrong password<br>
[Apr 4 06:56:00] NOTICE[21745]: chan_sip.c:25673
handle_request_register: Registration from '"4941"
<sip:4941@public_ip>' failed for '<span>194.100.46.132</span><span dir="ltr"><span dir="ltr"><span><img><span>194.100.46.132</span><span></span></span></span></span>:56714'
- Wrong password<br>
[Apr 4 06:56:00] NOTICE[21745]: chan_sip.c:25673
handle_request_register: Registration from '"4941"
<sip:4941@public_ip>' failed for '<span>194.100.46.132</span><span dir="ltr"><span dir="ltr"><span><img><span>194.100.46.132</span><span></span></span></span></span>:56714'
- Wrong password<br>
[Apr 4 06:56:00] NOTICE[21745]: chan_sip.c:25673
handle_request_register: Registration from '"4941"
<sip:4941@public_ip>' failed for '<span>194.100.46.132</span><span dir="ltr"><span dir="ltr"><span><img><span>194.100.46.132</span><span></span></span></span></span>:56714'
- Wrong password<br>
[Apr 4 06:56:00] NOTICE[21745]: chan_sip.c:25673
handle_request_register: Registration from '"4941"
<sip:4941@public_ip>' failed for '<span>194.100.46.132</span><span dir="ltr"><span dir="ltr"><span><img><span>194.100.46.132</span><span></span></span></span></span>:56714'
- Wrong password<br>
<br>
</div>
<div>is there a way to reject their registration after a three
consecutive tries? <br>
</div>
<div><br>
</div>
<div>Thanks, <br>
</div>
<div>
<div><a>Call</a></div>
<div><a>Send SMS</a></div>
<div><a>Add to Skype</a></div>
<div><span>You'll need Skype
Credit</span><span>Free
via Skype</span></div>
</div>
</div>
<br>
<fieldset></fieldset>
<br>
</blockquote>
<br>
<br>
</div></div><span><font color="#888888"><pre cols="72">--
Daniel Taylor VP Operations Vocal Laboratories, Inc.
<a href="mailto:dtaylor@vocalabs.com" target="_blank">dtaylor@vocalabs.com</a> <a href="http://www.vocalabs.com/" target="_blank">http://www.vocalabs.com/</a> <a href="tel:%28612%29235-5711" value="+16122355711" target="_blank">(612)235-5711</a>
</pre>
</font></span></div>
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