The release note says it's now possible to set the FTP port other than default port 21. However, if I set mine to (for example) port 8919, it doesnt work.
Setup:
Linksys WRT320N on DD-WRT v24-sp2 (11/25/09) big
FTP port 21 forwarded to 8919 at static IP address of the NAS set by the Linksys WRT320N.
DNS-323 (HW Ver B1)
FTP port set to 8919
If I try to connect to www.myftp.com, I get to the point of accepting the username/password... but then it time outs. If I, however, change the FTP port in the DNS-323 to port 21 (default) and I reverse the port forwarding to port 8919 forwarded to 21 at static IP address set by the Linksys router, when I try to access www.myftp.com:8919, I could get through and see the content of my FTP.