FTPS Limit issues with TLS / SSL 3.X and PROT P (Filezilla error 534 and ProFTPd)

I use ProFTPd as my FTP server which I occasionally run externally to let friends grab files from my home server and to upload content to when I'm away from home. I opt to encrypt both the command and data channels using explicit FTP over TLS and posted about setting this up last year getting ProFTPd working with TLS / SSL. In trying to create a more limited user account with only read only access to a limited number of shared directories I hit a challenge in allowing the user to list the content of the directories when TLS was in place, receiving the error 534 Unwilling to accept security parameters. Here's my solution...

Getting Proftpd working with TLS / SSL

ProFTPD grew out of the desire to have a secure and configurable FTP server that aims to offer the feature set required for more sophisticated FTP sites. Out of the box the FTP transactions are not secure, they are not encrypted at all. Seeking to encrypt my traffic I spent hours trying to get ProFTPD 1.3.2c (the version in Ubuntu 10.04's repositories) working with TLS. Only to find out there is a bug in ProFTPD 1.3.2c read on to see how I overcame the problem...