Miner Web UI

The miner web UI is the browser-based control panel that an ASIC miner serves from its own control board. You reach it by typing the miner's IP address into a web browser and logging in. It is where operators configure mining pools, watch live hashrate and per-board temperatures, adjust fan and tuning settings, and launch firmware updates. For most owners it is the primary day-to-day interface to the machine — no software to install, just a browser on the same network.

What is actually serving it

On stock Antminer-class firmware, the panel is served by a lightweight embedded web server (lighttpd on classic models) listening on port 80, with the interface implemented as a set of CGI scripts on the control board — separate endpoints handle pool configuration, live miner status, advanced settings, and system information. Authentication is HTTP Basic Auth, with well-known factory default credentials that vary by firmware version. This matters for two reasons: first, the web UI is only a thin skin over the same configuration files the miner reads at boot, so anything the panel does can also be done at the filesystem level; second, an embedded web server with default credentials is exactly the kind of thing that must never face the open internet.

What it exposes

Typical sections let you set up to three pools in priority order — so the miner fails over automatically if the primary drops — view the running firmware version and uptime, monitor per-hashboard hashrate, chip status, and temperatures, control fan behavior, take a config backup, change the login password, and trigger firmware flashing from an uploaded image. Alternative firmware replaces the stock panel with its own dashboard offering the same essentials plus deeper tuning controls — power profiles, per-board tuning data, and richer telemetry. The status page is also your first diagnostic stop on the repair bench: a board reporting zero chips or wild temperatures in the web UI tells you where to point the multimeter before you ever open the case.

Reaching and securing it

To open the UI you first need the device's address, which IP Reporter or a network scan can reveal. Then apply basic hygiene, because this panel controls both your payouts and a multi-kilowatt appliance:

• Change the default password immediately. Factory credentials are public knowledge, and a hijacked miner can be silently repointed at an attacker's pool.
• Keep miners on a management network — a separate VLAN or subnet that is not exposed to the public internet and ideally not reachable from guest devices.
• Never port-forward the web UI. If you need remote access, reach the management network over a VPN instead.

Power users who need lower-level control than the panel provides sometimes turn to SSH access, where the firmware permits it — the web UI and the shell are two doors into the same embedded Linux system.

When the panel goes dark

A web UI that will not load is itself a diagnostic datum. If the page never answers, confirm the basics in order: does the miner still hold a DHCP lease (re-check with IP Reporter or your router's client table), does it answer ping, and do the control board's status LEDs suggest it booted at all? A miner that pings but serves nothing may have a wedged web server while the mining process runs on — hashrate at the pool with a dead panel points there, and a power cycle usually clears it. The reverse case, a healthy panel showing zero hashrate, shifts suspicion to the hashboards or their connections, and the UI's own status and log pages become the first evidence to read. Distinguishing "network problem," "control board problem," and "hashboard problem" before touching a screwdriver is most of the battle.

See our Antminer setup guide for a tour of the web UI's configuration pages.