BASIC authentication is used to provide minimal, low-security protection from anonymous visitors hitting your website. It is frequently used by companies to ensure that their staging or development environments are not accessibly by the general public prior to pushing the changes to production. Typical authentication dialog prompts look like so:
The challenge here is that this dialog box is the kind of dialog that Selenium cannot automate. You cannot issue “type” or “click” commands on it. In fact, if this box comes up, your script is guaranteed to time out because Selenium will continue to wait for the page to load, not realizing a login is required and unable to populate it.
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