TCP 9099
Synopsis
- Firebase Authentication Emulator (part of the Firebase Emulator Suite) listens on TCP port 9099 by default for its REST API during local development.
- Example: running firebase emulators:start will start the Auth emulator on 9099 unless you override it in firebase.json.
- No widely adopted production protocol is conventionally assigned to TCP 9099.
Observed activity
Last 30 days
Detailed chart