I am trying to implement dynamic security plugin in mosquitto broker using the following documentation
https://mosquitto.org/documentation/dynamic-security/#installation
my mosquitto.conf file looks like this
listener 1883
allow_anonymous false
per_listener_settings false
persistence true
persistence_location /var/lib/mosquitto/
plugin /usr/lib/x86_64-linux-gnu/mosquitto_dynamic_security.so
plugin_opt_config_file /var/lib/mosquitto/dynamic-security.json
log_dest file /var/log/mosquitto/mosquitto.log
include_dir /etc/mosquitto/conf.d
after making configuration changes if I start the mosquitto service it is failing to start and when I check sudo journalctl -xu mosquitto i can see and error
Mosquitto Error: Unknown configuration variable "plugin"
plugin is available in this path /usr/lib/x86_64-linux-gnu/mosquitto_dynamic_security.so and it has 777 permission, am I missing something? because the same working in windows.