Socket error on client<unknown>,disconnecting. [message #1810613] |
Wed, 14 August 2019 10:38 |
Priya Sundararaj Messages: 3 Registered: August 2019 |
Junior Member |
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Hello everyone,
I am trying to connect MQTTBox(mqtt client app) with the following settings to Mosquitto broker installed in my PC of version 1.6.2 :
Protocol : mqtt/tls
SSL/TLS version : TLSv1.2
CA file : ca.crt
Client certificate : client.crt
Client key : client.key
At mosquitto broker side I made following changes in configuration file :
per_listener_settings false
allow_duplicate_messages false
max_keepalive 65535
port 8883
max_connections -1
protocol mqtt
cafile D:\mosquitto\cert\ca.crt
certfile D:\mosquitto\cert\ca_server.crt
keyfile D:\mosquitto\cert\ca_server.key
require_certificate true
tls_version tlsv1.2
use_identity_as_username true
use_subject_as_username false
But i get error on mosquitto broker while connecting as,
New connection from 192.168.0.127 on port 8883.
Socket error on client<unknown>,disconnecting.
To understand the reason behind disconnection, i used openssl utility (1.1.1c version) and configured it as server with command
OpenSSL>s_server -www -port 8883 -CAfile ca.crt -cert client.crt -key client.key -state -tls1_2
here when i'm connecting MQTTBox with same settings i get following output at openssl and connection error is shown at MQTTBox :
SSL_accept : SSLv3/TLS read client hello
SSL_accept : SSLv3/TLS write server hello
SSL_accept : SSLv3/TLS write certificate
SSL_accept : SSLv3/TLS write key exchange
SSL_accept : SSLv3/TLS write server done
SSL_accept : SSLv3/TLS write server done
SSL_accept : SSLv3/TLS read client key exchange
SSL_accept : SSLv3/TLS read change cipher spec
SSL_accept : SSLv3/TLS read finished
SSL_accept : SSLv3/TLS write session ticket
SSL_accept : SSLv3/TLS write change cipher spec
SSL_accept : SSLv3/TLS write finished
What can be solution for this?? Is there any changes that i should make in configuration file?
Please suggest ideas to solve this problem.
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