[SR-Users] Issue with ca-list

[George Goglidze]

Hi Folks,

I was wondering if somebody could help me with an issue. I’m a newbie here, just installing Kamailio sip server.
I’ve enabled TLS, and am trying create a SIP Trunk to external SIP Service which is TLS enabled port 5061.

I’ve configured the following in tls.cfg:

[server:default]

method = TLSv1.2+

verify_certificate = yes

require_certificate = yes

private_key = /etc/kamailio/certs/sbc-private.pem

certificate = /etc/kamailio/certs/godaddy.pem

ca_list = /etc/kamailio/certs/calist.pem

In the section above – ca_list = calist.pem contains all the CA’s and Subordinates of the destination server.
Private_key  and certificate are of my own server (public godaddy signed)


[client:default]

method = TLSv1.2+

verify_certificate = yes

require_certificate = yes

private_key = /etc/kamailio/certs/sbc-private.pem

certificate = /etc/kamailio/certs/godaddy.pem

ca_list = /etc/kamailio/certs/godaddyca.pem

In the section above the ca_list is godaddy’s ca and subordinate.


In the wireshark I can see that I’m sending out SIP OPTIONS PING (I’m using dispatcher module).
Then the server replies with tls SERVER HELLO which includes it’s certificate
But for some reason we are rejecting it:
Alert (level: fatal, Description: Unknown CA)

How should I set this up to make sure the remote server CA’s are verified?

Thank you,
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