Before RESTful APIs became standard, Discovery might have provided FTP dropboxes for partners (e.g., cable providers, international licensees) to download promotional materials, schedules, or localized content.
The CDN1.Discovery FTP server appears to be part of a larger infrastructure possibly related to content delivery networks (CDNs) and data discovery or distribution services. FTP servers are commonly used for transferring files over the internet securely. cdn1.discovery ftp
For B2B file exchange, MFT platforms (e.g., GoAnywhere, MOVEit) provide encrypted, auditable transfers over SFTP, FTPS, or AS2—never raw FTP. Before RESTful APIs became standard, Discovery might have
Real-world example: The Mirai botnet variants were known to scan for open FTP ports on IoT devices. If a security analyst sees cdn1.discovery and FTP in the same alert, they might initially ignore it as a TV update, but script kiddies could mimic that traffic to exfiltrate data. For B2B file exchange, MFT platforms (e