Hi Nikolay Zaytsev ,

Very 1st thing that i will suggest is that please change the default sip ports to some other ports like 7000,5090 etc.

Plus use the ipset and iptables to block the ip's.

This will surely help you,

https://github.com/vervelink/badguys/blob/master/ipset-blockips.sh

list of common attacking IP's

Regards

Bilal Abbasi

On Sat, Aug 15, 2015 at 2:18 PM, Nikolay Zaytsev <nzaytsevc@gmail.com> wrote:

Hi,all)
I have the freeswitch on public ip with set up fail2ban.
However, there is an external invites which proceed to dialplan's context public.
How can I defend my freeswitch from such attaks?
The log of such attack is in the attachment.
Bets Regards,
Nikolay Zaytsev

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