X-apple-i-md-m Here

: Conversely, it is a primary defense against mass-automated account takeovers. Without a valid machine token, an attacker cannot easily brute-force Apple IDs.

In the context of Apple's authentication protocols (specifically the authentication service), the string X-Apple-I-MD-M is an HTTP header used to transmit a device's Machine ID . x-apple-i-md-m

: To bypass Apple's security checks, developers have created "Anisette Servers" (often running in Docker containers) [22]. : Conversely, it is a primary defense against