<div dir="ltr">Dear all,<div><br></div><div>My FS server got attacked by someone. Unknown external user 107 is frequently calling strange number on my FS server. From the log, I can not find the real IP of this external user, the IP logged is my server's IP!</div>
<div> How can check who is doing this and block any similar action?</div><div> Part of the log is as below. </div><div><br></div><div>Thanks. </div><div style><br></div><div><br><div><br></div><div><div> 2013-08-11 09:48:12.401286 [NOTICE] switch_channel.c:951 New Channel sofia/external/107@(my fs server ip addr) [c1499822-0262-11e3-af23-2d4b950c464a]</div>
<div>2013-08-11 09:48:12.421101 [INFO] mod_dialplan_xml.c:485 Processing 107 <107>->+970598610587 in context public</div><div><br></div></div></div></div>