Hello,


I'm trying to install katello/foreman with a DHCP smart-proxy located on 
another server.

My first attempt was to use a certificate signed by our internal CA with 
this command:
foreman-installer --scenario katello --foreman-admin-password test 
--certs-server-cert "/root/katello_certs/katello2.example.com.crt" 
--certs-server-cert-req "/root/katello_certs/katello2.example.com.csr" 
--certs-server-key "/root/katello_certs/katello2.example.com.key" 
--certs-server-ca-cert "/root/katello_certs/cacert.pem"

Installation was successful and I was able to connect to my foreman web 
interface without SSL warnings.


Next step was to setup the connection between my foreman and my DHCP 
smart-proxy:

So I followed the steps documented here 
https://theforeman.org/manuals/1.15/index.html#4.3SmartProxies

generate my cert on my foreman server: 

puppet cert generate dhcp.example.com

copy cert, ca and key to the /etc/foreman-proxy/ssl directory on my DHCP 
smart-proxy

edit my setting.yml config file like this:

---
:settings_directory: "/etc/foreman-proxy/settings.d"
:daemon: true
:daemon_pid: /var/run/foreman-proxy/foreman-proxy.pid
:bind_host: '*'
:https_port: 8443
:ssl_certificate: /etc/foreman-proxy/ssl/dhcp.example.com.pem
:ssl_ca_file: /etc/foreman-proxy/ssl/ca.pem
:ssl_private_key: /etc/foreman-proxy/ssl/dhcp.example.com.key
:trusted_hosts:
    - katello2.example.com
:log_file: /var/log/foreman-proxy/proxy.log
:log_level: DEBUG

open firewall ports

When I try to connect from my foreman web interface with this URL 
https://dhcp.example.com:8443

I get this error message in the log file of my DHCP smart-proxy:

"OpenSSL::SSL::SSLError: SSL_accept returned=1 errno=0 state=unknown state: 
tlsv1 alert unknown ca" 


It's a CA issue maybe because I'm playing with internal CA so I tried with 
the self-signed certificates generated with the foreman/katello 
installation:

foreman-installer --scenario katello --foreman-admin-password "test" 

Same error.


I think I miss something in the smart-proxy setup  and I don't play with 
the right certificates.

I probably don't use the same CA to sign my foreman certificate and my DHCP 
smart-proxy certificate.

Can somebody put me in the good direction to solve this problem?


Best regards,



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