Failing pci scan for having port 21 unencrypted
The service running on this port (most often Telnet, FTP, etc…) appears to make use of a plaintext (unencrypted) communication channel. Payment industry policies (PCI 1.1.5.b, 2.2.2.b, 2.3, & 8.4.a) forbid the use of such insecure...