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Uses cryptographic modules that meet the Federal Information Processing Standards, crucial for government and highly regulated industries.

Given that version 4.3.8 is nearly a decade old, consider migrating to modern, actively maintained alternatives if the vendor's upgrade path is not viable.

Wing FTP Server 4.3.8 is a professional-grade file transfer server designed for Windows, Linux, macOS, and Solaris. Released in the late 2010s, this version represents a mature iteration of the software—just before the developers began introducing major UI overhauls and cloud-centric features in versions 5.x and 6.x.

Known vulnerabilities in pre-5.x versions exist. I can help you identify risks and create a mitigation plan.

Understanding Wing FTP Server 4.3.8: Architecture, Capabilities, and Lifecycle Security