Did your broker have a configuration with the same cert file?
If so, what is your system architecture?
Have a good day.
From: "Cedric VIVES"<cvives@xxxxxxxxxxxxxxxx>
Sent: 2018-04-20 (금) 17:37:27
Subject: [mosquitto-dev] Mosquitto SSL Error : Unable
to connect (A TLS error occurred.)
I have installed a LoRa Server with the following services
- MQTT Broker (1.4.15-0mosquitto1~xenial1)
On the other side, A raspberry Pi (with raspbian) send data
with the LoRa-Gateway-Bridge.
When the connection is unencrypted (tcp://@server on the
LoRa-Gateway-Bridge.toml), it works !
However, in ssl :
The client is connected :
1524211792: New connection from xxx.xxx.xxx.xxx on port
1524211792: New client connected from
xxx.xxx.xxx.xxx as 96240ae6-28cb-446c-8dd2-0d2d9f045487
But it the server doesn't receive anything because :
mosquitto_sub -h FQDN_OF_MY_SERVER -p 8883 -t "#"
=> Unable to connect (A TLS error occurred.)
The mosquitto logs shows :
1524212646: OpenSSL Error: error:14094418:SSL
routines:ssl3_read_bytes:tlsv1 alert unknown ca
1524212646: OpenSSL Error: error:140940E5:SSL
routines:ssl3_read_bytes:ssl handshake failure
For information, it is an official certificate with CN = name
of the FQDN of the server.
When i check it by openssl :
openssl s_client -connect FQDN_OF_MY_SERVER:8883
=> Verify return code: 0 (ok)
I have seen in the archive that the same problem occured with
older versions but not resolved...have you any advices to fix
this issue ?
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