Network professionals know this information about their router by heart or have stored it in their browser or password manager. However, if you only rarely use a device or have received it as a gift without manuals or similar documentation, you will initially be faced with a locked menu—if you can access it in the browser at all. On a reasonably up to date router, the access information should be on a sticker on the housing—you can usually find it on the underside. Depending on the...