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<div class="moz-cite-prefix"><tt>You should be able to solve that
problem with:<br>
echo 1 > /proc/sys/net/ipv4/ip_nonlocal_bind<br>
<br>
</tt>
<pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
On 18.02.2015 19:20, Schneur Rosenberg wrote:<br>
</div>
<blockquote
cite="mid:CANvjR0URuDwLtGFuMVoZgp=_SAVzT6xAcs5ew7GDQQBR--WW+A@mail.gmail.com"
type="cite">
<div dir="ltr">Here is the error, I see it checking the ip address
against the listening ip address, and of course it does not
match, if I add the other ip address as a listening address
opensips wont start.
<div><br>
</div>
<div><br>
</div>
<div><br>
<div>
<div>Feb 18 17:17:10 sipsvr6 /sbin/opensips[26864]:
ERROR:usrloc:receive_ucontact_update: non-local socket
<udp:<a moz-do-not-send="true"
href="http://45.45.99.95:5060">45.45.99.95:5060</a>></div>
<div>Feb 18 17:17:10 sipsvr6 /sbin/opensips[26864]:
ERROR:usrloc:receive_ucontact_update: failed to process
replication event. dom: 'location', aor: '<a
moz-do-not-send="true"
href="mailto:solhome5@sipsvr5.myserver.com">solhome5@sipsvr5.myserver.com</a>'</div>
<div>Feb 18 17:17:10 sipsvr6 /sbin/opensips[26864]:
ERROR:usrloc:receive_binary_packet: failed to process a
binary packet!</div>
</div>
<div><br>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Wed, Feb 18, 2015 at 5:02 PM, Liviu
Chircu <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:liviu@opensips.org" target="_blank">liviu@opensips.org</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<div><tt>Hello Schneur,<br>
<br>
1) If REGISTER request replication properly works
(same messages received on both sides), then the
backup should not delete contacts like you are
mentioning.<br>
2) Yes, it will. You can disable this behaviour with
"skip_replicated_db_ops" [1]<br>
3) Any specific ERRORs in the logfile? Please open a
GitHub ticket for any obvious issues [2]<br>
4) Only integrity checking. But that can be bypassed
by a potential attacker. Immediate solutions are the
use of private interfaces and/or iptables rules.<br>
5) Yes, replication is only to be used with floating
IPs. Regarding the distributed redundant setup, a big
discussion was started in 2013, yet did not really
come to a final conclusion [3]<br>
<br>
[1]:
<a moz-do-not-send="true"
href="http://www.opensips.org/html/docs/modules/2.1.x/usrloc.html#skip_replicated_db_ops"
target="_blank">http://www.opensips.org/html/docs/modules/2.1.x/usrloc.html#skip_replicated_db_ops</a><br>
[2]: <a moz-do-not-send="true"
href="https://github.com/OpenSIPS/opensips/issues"
target="_blank">https://github.com/OpenSIPS/opensips/issues</a><br>
[3]: <a moz-do-not-send="true"
href="http://opensips.org/pipermail/users/2013-April/025204.html"
target="_blank">http://opensips.org/pipermail/users/2013-April/025204.html</a><br>
<br>
Best regards,<br>
</tt>
<pre cols="72">Liviu Chircu
OpenSIPS Developer
<a moz-do-not-send="true" href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a></pre>
<div>
<div class="h5"> On 18.02.2015 12:19, Schneur
Rosenberg wrote:<br>
</div>
</div>
</div>
<blockquote type="cite">
<div>
<div class="h5">
<div dir="ltr">I have a question regarding binary
replication, I was using OpenSIPS 1.7 until now,
my backup was passive, because when they were all
up at the same time, the usrloc timer from the
backup kept on removing users from the database,
even though I'm using mode 2, I still rely on the
DB for some actions, I recently watched <span
style="color:rgb(0,0,0)">Vlad Paiu video
presentation on Binary Interface replication and
he says that he advises to leave the backup open
too, so I built 2 test servers with OpenSIPS
1.11 and I have a few questions.</span>
<div><span style="color:rgb(0,0,0)"><br>
</span></div>
<div><span style="color:rgb(0,0,0)">1) will this
solve the issue of the usrloc timer deleting
records?</span></div>
<div><font color="#000000">2) will it also update
the backups database if I use mode 2? this way
I dont need to replicate the db's, i will have
2 separate db's and have each server update
its own db, if it does this will also solve
problem 1.</font></div>
<div><font color="#000000">3) I tested the bin
replication, when doing a ngrep I see the
packet coming in on the backup when a new user
registers, but when doing a "opensipsctl ul
show" it only shows the contact line and
nothing else and it disappears </font><span
style="color:rgb(0,0,0)">completely</span><span
style="color:rgb(0,0,0)"> </span><span
style="color:rgb(0,0,0)"> after a few moments
and it does not update the db.</span></div>
<div><font color="#000000">4) Does it have a built
in security mechanism besides manually doing
it with iptables?</font></div>
<div><font color="#000000">5) It seems like this
is mainly used with a floating ip, I have
servers on the same network using floating ip,
I also have servers on different networks
using failover dns, how will it affect my
redundancy, I assume the backup server wont be
able to reach the client before the client
does a new DNS lookup and re registers,
because the clients NAT wont allow it through,
is that correct? and is there a solution for
that?</font></div>
<div><font color="#000000"><br>
</font></div>
<div><font color="#000000">thanks in advance</font></div>
<div><font color="#000000">S. Rosenberg </font></div>
</div>
<br>
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