You cannot access a private media FTP server with just a web browser. You need:
Legitimate CDNs (Akamai, Fastly, CloudFront) and media companies like Discovery Inc. publicly expose FTP access to their CDN edge servers. Reasons: cdn1.discovery ftp
in the context of a CTF (Capture The Flag) challenge or a common security vulnerability . Instead, discovery.com is a content delivery domain historically used by Warner Bros. Discovery You cannot access a private media FTP server
To understand the whole, we must first understand the parts: cdn1.discovery ftp
Older documentation and forum posts suggest that "cdn1.discovery ftp" may refer to legacy methods used by Discovery Communications for content ingest or syndication .