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NATS.io (Synadia Communications) NATS Messaging Server — Default Password

Default username and password for the NATS.io (Synadia Communications) NATS Messaging Server: (blank) / (blank). Learn how to log in and how to change the default credentials.

NATS starts with no authentication by default. Any client can connect to port 4222 and publish/subscribe to all subjects. Authentication (token, username/password, TLS, NKeys) must be explicitly configured in the server config.

UsernamePasswordAccessNotes
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Responsible use

This database lists publicly documented default credentials so administrators can find and change them. Only use these on systems you own or are authorized to test.

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