Hello, On 20.11.20 11:13, George Goglidze wrote: > > 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 godaddysigned) > > > > [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? >
I am not sure I understand what you want to do -- to verify that the list of CAs trusted by the remote server? This is not possible, what is trusted by the server is its own business. An entity can verify only of the presented certificate by a peer is signed by a trusted CA from its CAs trusted list. Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Funding: https://www.paypal.me/dcmierla
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