Does FileZilla support Clear Command Channel (CCC)?

[nymetrois]

Using the CCC Command, we would like to initiate the
following...

One way to allow the NAT operations of your router to
continue to function when using an SSL secured FTP
connection is by using the CCC command. CCC stands
for Clear Command Channel. It is a command issued by
the FTP client to the FTP server that indicates that the
command channel should be unencrypted. Data
transfers remain encrypted after issuing this command,
so all files transfers and directory listings remain
secure. However, with an unencrypted command
channel, your router can still follow the FTP transaction
and perform its NAT operations to assist with data
transfers.
In order for CCC to work, the FTP server you're
connecting to must support this command. Our server

[Eirik]

Moving to feature request and assigning to codesquid.

[Alexander Schuch]

This has been requested already, deleting this RFE.
[ 1036300 ] Support Ipswitch WS_FTP Server CCC Command