# host_rejected

> Talos 0.7 · Since 0.7

403: the `Host` header does not name this server by a loopback name (DNS rebinding, or a client that set `Host`)

| | |
|---|---|
| Severity | `error` |

## Meaning

403: the `Host` header does not name this server by a loopback name (DNS rebinding, or a client that set `Host`)

## Fix

address it as `127.0.0.1:<port>` or `localhost:<port>`