[SR-Users] Kamailio does'nt respond to packets from specific addresses
miconda at gmail.com
Wed Mar 15 14:19:23 CET 2017
maybe there is some IP routing mis-configuration in the server. What did
you use to see that the packets arrive on the sip server system? ngrep
or something similar?
On 14/03/2017 22:06, עדי ויזגן wrote:
> Hi, yes Kamailio is listening to all addresses, even the destination
> address and still no response. It is weird because it only happens
> with 172.. addresses. What I did for now is I put a MikroTik router
> between the Kamailio server and the switch, and I configured it to do
> src-nat and change the source address from 172.. address to 192..
> address and now the Kamailio respond!
> So I fixed it but I don't like this solution.
> I would like to find out what causes the problem so I can really fix it.
> בתאריך יום ג׳, 14 במרץ 2017, 18:25, מאת Daniel-Constantin Mierla
> <miconda at gmail.com <mailto:miconda at gmail.com>>:
> is Kamailio listening on all the IP addresses you need to received
> the traffic? You can do:
> kamctl ps
> Also, check if you have any firewall rules blocking traffic from
> those IP addresses.
> On 14/03/2017 11:34, עדי ויזגן wrote:
>> Hi everyone,
>> I have the following problem:
>> I have a Kamailio server that is connected to several Asterisk
>> servers for load balacing in a LAN network with the IP's of
>> I recently connected with another company that is supposed to
>> send me calls through the Kamailio server.
>> The problem is this:
>> I am connected to then with a cable from their network to mine.
>> My port has the address 10.9.18.198 and they come from the
>> address 172.18.177.18.
>> When I get packets from their address (172...) I can see them
>> getting to my Kamailio server, but the Kamailio does not respond.
>> It only happens when I get packets from 172 source address.
>> If I get from 192 or 10 adresses from my LAN network it works,
>> and if I get packets from real world IP's through my WAN it works.
>> Does anyone have any idea why the Kamailio does'nt respond to
>> packets from 172 adresses?
>> And how to fix this?
>> Thanks in advance!
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users at lists.sip-router.org <mailto:sr-users at lists.sip-router.org>
> Daniel-Constantin Mierla
> www.twitter.com/miconda <http://www.twitter.com/miconda> -- www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda>
> Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com <http://www.asipto.com>
> Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com <http://www.kamailioworld.com>
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing
> sr-users at lists.sip-router.org <mailto:sr-users at lists.sip-router.org>
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com
Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
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