Security

you can use the security module in unified namespace (uns) to establish secure access to the message broker by allowing only authorized users to publish or subscribe to messages it also provides tools to manage and control mqtt client accounts overview of mqtt accounts an mqtt account represents a client connection to the message broker each account can be assigned specific permissions (e g , publish, subscribe, or both) be managed (reset passwords, enable/disable accounts) there are two types of mqtt accounts general mqtt client accounts for standard client connections litmus edge (le) client accounts these include additional features, such as using a single connection token for streamlined access access mqtt accounts module ui to access mqtt accounts pane navigate to the security page click on accounts tab to view detailed information refer to the following actions you can take from the mqtt account details web ui pane action details \[1] mqtt account choose the client account type and set the required account details, including a username and permissions \[2] rules define rules to specify topics and permissions (e g , publish & subscribe) click the + icon to add a new rule edit or delete existing rules using the actions icons view a list of all rules assigned to this account with a search and filter option \[3] actions click reset password to generate a new password for the selected account use the disable account button to restrict access for a client temporarily re enable the account by clicking enable account to remove an account permanently, click delete account tip disable unused accounts instead of deleting them to retain historical data