<div dir="ltr">Dear Mr James<br>Can you attached to me your suspect file to make VoIP forensic on it .<br>thanks<br>Aws <br>Msc VoIP security <br><br><div class="gmail_quote">2012/2/1 James Lamanna <span dir="ltr"><<a href="mailto:jlamanna@gmail.com">jlamanna@gmail.com</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi,<br>
I've noticed lately that a server of mine is getting repeatedly hit by<br>
an attacker trying to make international calls.<br>
The scary part is that the attacker seems to be able to register<br>
correctly on different extensions, even though each extension has a<br>
different, random password.<br>
I'm not sure how the attacker is getting the passwords or if there's a<br>
man-in-the-middle attack going on, but I would like some suggestions<br>
on how to increase the security of SIP authentication in opensips.<br>
I could enforce security through IP addresses, but I fear that will<br>
become quite cumbersome.<br>
<br>
Thanks.<br>
<br>
-- James<br>
<br>
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