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Hacked phones: IP access control / pubkey auth?
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jpoppenk Offline
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Post: #4
RE: Hacked phones: IP access control / pubkey auth?
(02-25-2016 05:47 AM)Yealink_Karl Wrote:  I think the FAQ can help you, please try this.
FAQ: http://support.yealink.com/faq/faqInfo?id=181

Hi Yealink Karl,

Thanks for the link, but it doesn't help. As I mentioned, I have block IP calls enabled, and do not experience phantom ringing. The other feature, Accept SIP trust server only, is also already enabled.

Could you kindly respond directly to the questions I posed? I would also be grateful if you could help me spot the means of intrusion. I will post a dump of my level 6 syslog files in a separate reply.


(02-25-2016 11:40 AM)elementpbx Wrote:  I think he already had one of those listed (Block IP Calls). I too am curious as to how they got through. Did you pull a syslog. If not I would enable it so when it happens you can probably see how they did it.

Thanks for suggesting the syslog. I had switched it to level 6 prior to the recent intrusion. I am posting the logs file here in case someone knows how to parse it. The intrusion would have taken place overnight, and the times shown seem to be 5 hours in advance of the real time. The REDACTED_IP and REDACTED_USERNAME were inserted by me.

FWIW, all of my phones with random 50 character passwords have now succumbed.

Attached File(s)
.zip  log.zip (Size: 72.86 KB / Downloads: 6)
(This post was last modified: 02-26-2016 01:40 AM by jpoppenk.)
02-26-2016 01:32 AM
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RE: Hacked phones: IP access control / pubkey auth? - jpoppenk - 02-26-2016 01:32 AM

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