[OpenSIPS-Users] Ghost calls 1001

Mundkowsky, Robert rmundkowsky at ets.org
Thu Apr 20 17:27:12 EDT 2017


Do you mean a client is using SIP/RTP to make a call direct to backend servers and bypassing the opensips proxy? Or somehow just using RTP without SIP to bypass the opensips proxy?


Robert

From: Users [mailto:users-bounces at lists.opensips.org] On Behalf Of Nabeel
Sent: Thursday, April 20, 2017 5:17 PM
To: OpenSIPS users mailling list <users at lists.opensips.org>
Subject: Re: [OpenSIPS-Users] Ghost calls 1001

My understanding of ghost calls is that they go directly via the client through a loophole in the IP range rather than through the SIP server itself. In this case, server-based solutions don't seem likely to work?

On 20 Apr 2017 10:08 p.m., "Mundkowsky, Robert" <rmundkowsky at ets.org<mailto:rmundkowsky at ets.org>> wrote:
User authentication at SIP level as well.

Robert

From: Users [mailto:users-bounces at lists.opensips.org<mailto:users-bounces at lists.opensips.org>] On Behalf Of Aqs Younas
Sent: Thursday, April 20, 2017 4:55 PM
To: OpenSIPS users mailling list <users at lists.opensips.org<mailto:users at lists.opensips.org>>
Subject: Re: [OpenSIPS-Users] Ghost calls 1001

iptables, fail2ban and ip authentication if your users have static ips.

On 21 April 2017 at 01:46, Uzair Hassan <uzairhassan at shaw.ca<mailto:uzairhassan at shaw.ca>> wrote:
Hello all,

I have setup a opensips 2.3 on a new server and I'm getting ghost calls into my system. How do I stop these ghost call? The opensips server is brand new. the install is clean and nothing has been touched after the initial simple residential script setup. What can I do to defend myself from these ghost calls.

Thank you so much.


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