Is there any documentation I could read to understand the process you just
described?
On April 20, 2017 11:15:54 PM Schneur Rosenberg <[email protected]>
wrote:
In addition to iptables/fail2ban you should inspect the useragent that the
packets come from, most of them will come from sip vicious or friendly
scanner etc, you can block them with iptables and/or with drop() in
opensips, this will stop the scanner right away because he won't get any
replies so he will just move on.
On Apr 21, 2017 8:11 AM, "Uzair Hassan" <[email protected]> wrote:
Is there a way to change opensips port ? Whenever I try it doesn't even
start.
On April 20, 2017 9:09:55 PM "Alexander Jankowsky" <
[email protected]> wrote:
You might need to do a Wireshark trace and find out if the calls
originate externally into the system.
If you are in an open DMZ with the router, that could be just the start
of your problems.
I had Opensips 2.3.0-beta in the open on DMZ with the router for only a
few hours and
I then had a couple of dozen automated break in attempts trying to access
the system.
You need to pay a lot of attention to the system logs otherwise you may
not even notice.
Go over your router very carefully and restrict everything you do not
need exposed.
Port 5060 is a very popular target with automated robots, use another
port if your able to.
Alex
*From:* Users [mailto:[email protected]] *On Behalf Of *Uzair
Hassan
*Sent:* Friday, 21 April 2017 6:16 AM
*To:* [email protected]
*Subject:* [OpenSIPS-Users] Ghost calls 1001
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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