Hi Team in one of the cluster infra, we are unable to upload the images or disks via gui. up on checking the /var/log/ovirt-imageio/daemon.log found that throwing ssl connection failure, help us to check what are we missing.. We are using thirdparty CA approved SSL for web GUI.. 2021-10-11 22:45:42,812 INFO (Thread-6) [http] OPEN connection=6 client=127.0.0.1 2021-10-11 22:45:42,812 INFO (Thread-6) [tickets] [127.0.0.1] REMOVE ticket=f18cff91-1fc4-43b6-91ea-ca2a11d409a6 2021-10-11 22:45:42,813 INFO (Thread-6) [http] CLOSE connection=6 client=127.0.0.1 [connection 1 ops, 0.000539 s] [dispatch 1 ops, 0.000216 s] 2021-10-11 22:45:43,621 INFO (Thread-4) [images] [::ffff:10.12.23.212] OPTIONS ticket=53ff98f9-f429-4880-abe6-06c6c01473de 2021-10-11 22:45:43,621 INFO (Thread-4) [backends.http] Open backend netloc='renlovkvma01.test.lab:54322' path='/images/53ff98f9-f429-4880-abe6-06c6c01473de' cafile='/etc/pki/ovirt-engine/ca.pem' secure=True 2021-10-11 22:45:43,626 ERROR (Thread-4) [http] Server error Traceback (most recent call last): File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/backends/__init__.py", line 66, in get return ticket.get_context(req.connection_id) File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/auth.py", line 146, in get_context return self._connections[con_id] KeyError: 4 During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/http.py", line 774, in __call__ self.dispatch(req, resp) File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/http.py", line 819, in dispatch return method(req, resp, *match.groups()) File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/cors.py", line 84, in wrapper return func(self, req, resp, *args) File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/images.py", line 246, in options ctx = backends.get(req, ticket, self.config) File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/backends/__init__.py", line 85, in get cafile=ca_file) File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/backends/http.py", line 48, in open return Backend(url, **options) File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/backends/http.py", line 76, in __init__ self._connect() File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/backends/http.py", line 117, in _connect self._con = self._create_tcp_connection() File "/usr/lib64/python3.6/site-packages/ovirt_imageio/_internal/backends/http.py", line 379, in _create_tcp_connection con.connect() File "/usr/lib64/python3.6/http/client.py", line 1437, in connect server_hostname=server_hostname) File "/usr/lib64/python3.6/ssl.py", line 365, in wrap_socket _context=self, _session=session) File "/usr/lib64/python3.6/ssl.py", line 776, in __init__ self.do_handshake() File "/usr/lib64/python3.6/ssl.py", line 1036, in do_handshake self._sslobj.do_handshake() File "/usr/lib64/python3.6/ssl.py", line 648, in do_handshake self._sslobj.do_handshake() ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:897)