Hello,<div><br></div><div>Since last few days my freeswitch server receives SPAM calls. 25 to 30 calls at the same time. It makes my mod_managed program crash.</div><div><br></div><div>Unlike regular phone numbers in US, these seem to come from sip IP addresses. When I see location of these IP addresses, most of them seem to be from China.</div>
<div><br></div><div>Sample from CDR:</div><div><div>    &lt;caller_profile&gt;</div><div>      &lt;username&gt;sip&lt;/username&gt;</div><div>      &lt;dialplan&gt;XML&lt;/dialplan&gt;</div><div>      &lt;caller_id_name&gt;sip&lt;/caller_id_name&gt;</div>
<div>      &lt;ani&gt;&lt;/ani&gt;</div><div>      &lt;aniii&gt;&lt;/aniii&gt;</div><div>      &lt;caller_id_number&gt;sip&lt;/caller_id_number&gt;</div><div>      &lt;network_addr&gt;113.105.152.220&lt;/network_addr&gt;</div>
<div>      &lt;rdnis&gt;1442073479999&lt;/rdnis&gt;</div><div>      &lt;destination_number&gt;1056&lt;/destination_number&gt;</div><div>      &lt;uuid&gt;bef84579-d25a-ab4b-aa52-dbcf9d7509be&lt;/uuid&gt;</div><div>      &lt;source&gt;mod_sofia&lt;/source&gt;</div>
<div>      &lt;context&gt;default&lt;/context&gt;</div><div>      &lt;chan_name&gt;sofia/sipinterface_1/<a href="mailto:sip@113.105.152.220">sip@113.105.152.220</a>&lt;/chan_name&gt;</div><div>    &lt;/caller_profile&gt;</div>
</div><div><br></div><div><div>I am only expecting call from regular phone lines from USA. I use Vitelity and I have secured my Vitelity configuration (SOFIA) with secret code provided by them.</div><div><br></div><div>How do I stop these anonymous SIP callers from crashing my system?</div>
<div><br></div><div>Please help.</div><div><br></div><div>Thank you.</div><div><br></div><div></div></div>