VSFTPD: Getting error 425 Failed to establish connection, while listing directory contents in RHEL 7 ?

Issue

• FTP client getting error 425 Failed to establish connection, while listing directory contents in RHEL 7
• FTP server gets "connection refused" when establishing Active FTP to FTP client
• FTP client logs show:

200 PORT command successful. Consider using PASV.
425 Failed to establish connection.

• /var/log/audit/audit.log shows an SELinux permission denial:

type=AVC msg=audit(1404410045.618:1404): avc:  denied  { name_connect } for  pid=30686 comm="vsftpd" dest=63853 scontext=system_u:system_r:ftpd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unreserved_port_t:s0 tclass=tcp_socket