X-dev-access: Yes - Note: Jack - Temporary Bypass: Use Header

There are several "legitimate" reasons why a developer like Jack might implement a temporary bypass:

If an external service needs to talk to a site that is still under a private staging area, a header bypass is an easy way to let that specific service through. note: jack - temporary bypass: use header x-dev-access: yes

Restrict access to specific office or VPN IP addresses. There are several "legitimate" reasons why a developer

HTTP headers are the "metadata" of the internet. When your browser requests a website, it sends hidden information like what browser you are using or what language you prefer. Developers can also create custom headers, often prefixed with X- (though the "X-" naming convention is technically deprecated, it remains widely used for internal tools). note: jack - temporary bypass: use header x-dev-access: yes