Hi!

I think he refers to IMS where IPsec is used dynamically.
With the first REGISTER the client and the server exchange data which can be used (together with the password) to calculate the IPsec security associations. Then the client and the SIP server communicate with the OS to setup the IPsec session. All following SIP requests will then be sent via IPsec (automatically encrypted and decrypted by the OS if the IPsec SAs match).

Further, Linux (unfortunately) does not use tunnel interfaces for IPsec anymore.

regards
Klaus

Am 02.06.2015 um 12:15 schrieb Daniel-Constantin Mierla:

Hello,

an ipsec tunnel appears as an network interface, therefore a lower layer than a SIP server deals with. As soon as you get the ipsec tunnel running, kamailio can be started and receive traffic on it. Nothing else special needed for kamailio.

Also, you can run kamailio on a single interface and instruct kernel to do packet forwarding from many tunnels to it.

Cheers,
Daniel

On 01/06/15 11:21, Priyaranjan Nayak wrote:
Hi All,

I need one IPSec supported opensource SIP server for testing my sip client endpoint.Could you please tell me which SIP server supporting IPSec ?

Thanks in advance.

Thanks
Priyaranjan
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