2026-08-03 21:10:57 +08:00
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# ubnt — UniFi Network Controller
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## Role and access
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| Item | Value |
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| Role | UniFi Network Controller host |
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| IPv4 | `192.168.66.46` |
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| SSH | `ssh -4 windy@192.168.66.46` |
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| Hostname | `ubnt` |
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| Privilege | `windy` has passwordless sudo and is in the `docker` group |
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The current SSH ED25519 host-key fingerprint is
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`SHA256:TTZtonJnnnNS6vk4xqo+CJPuZGXwwkf46wR1SLmqc10` (verified 2026-08-03).
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Verify a changed key out of band before accepting it.
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## UniFi stack
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| Item | Value |
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| Compose directory | `/home/windy/unifi-9` |
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| Compose file | `/home/windy/unifi-9/compose.yml` |
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| Compose service | `unifi` |
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| Container | `unifi-controller` |
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| Image | `jacobalberty/unifi:v9.5.21` |
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| Network mode | host |
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| HTTPS UI | `https://192.168.66.46:8443` |
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2026-08-06 10:20:43 +08:00
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| Device inform endpoint | `http://192.168.66.46:9080/inform` |
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2026-08-03 21:10:57 +08:00
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The controller binds `*:8443`. A local HTTPS request to
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`https://127.0.0.1:8443/` is the primary quick health check.
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## Proxy contract
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The container has HTTP/HTTPS proxy environment variables. Its Compose
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`environment` list must keep **both** `NO_PROXY` and `no_proxy` enabled and
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include at least:
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```text
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localhost,127.0.0.1,::1,192.168.0.0/16,10.0.0.0/8,172.16.0.0/12
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```
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Without this bypass, a controller request to `localhost:8443` can be sent to
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the OpenClash gateway instead of remaining local. Details and verification are
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in [the UniFi localhost proxy note](../docs/unifi-openclash-localhost.md).
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2026-08-06 10:20:43 +08:00
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## Managed access points
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The controller manages the APs listed in [the UniFi network record](../docs/unifi-network.md).
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The inform endpoint is deliberately on port `9080`, not UniFi's common default
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of `8080`. During adoption or recovery, use the documented `:9080/inform` URL;
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an AP left on `:8080` can remain reachable by ping and SSH while showing
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offline in the controller.
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2026-08-03 21:10:57 +08:00
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## Safe reconciliation and verification
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```bash
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cd /home/windy/unifi-9
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docker compose config -q
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docker compose up -d --force-recreate unifi
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docker inspect --format '{{.State.Health.Status}}' unifi-controller
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curl -k -sS -o /dev/null -w '%{http_code}\n' https://127.0.0.1:8443/
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```
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Recreating the service briefly interrupts the controller. Do not use `docker
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compose down -v`; it can remove persistent data.
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