You can authenticate one or more clients using username and passwords; this enables you to have greater control over the management and issuance of credential secrets.
For a single user:
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authorization: {
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user: a,
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password: b
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}
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You can also specify a single username/password by:
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> nats-server --user a --pass b
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For multiple users:
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authorization: {
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users: [
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{user: a, password: b},
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{user: b, password: a}
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]
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}
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Bcrypted Passwords
Username/password also supports bcrypted passwords using the nats tool. Simply replace the clear text password with the bcrypted entries:
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> nats server passwd
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? Enter password [? for help] **********************
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? Reenter password [? for help] **********************
{user: a, password: "$2a$11$V1qrpBt8/SLfEBr4NJq4T.2mg8chx8.MTblUiTBOLV3MKDeAy.f7u"},
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...
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]
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}
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Reloading a Configuration
As you add/remove passwords from the server configuration file, you'll want your changes to take effect. To reload without restarting the server and disconnecting clients, do: