Tested on PS3 firmware 3.55, but should work for any firmware.
CHMOD (file permission setting)
Almost all FTP commands are supported
1.1 - stability, performance, and bugfix
1.2 - passive mode bugfix and other stuff
1.3 - REALLY BIG AND AWESOME UPDATE
1.4 - The finale
1.5 - Encore
2.0 - fresh start - as of version 2.0, OpenPS3FTP is located under Network.
2.1 - minor improvements
2.1.1 - more improvements and major fix
2.2 - rewrite for psl1ght v2 + fixes - as of version 2.2, any password is accepted by default.
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OpenPS3FTP v2.3 is now available from jjolano with the changes detailed below.
OpenPS3FTP Version 2.3 Changelog:
Fixed some minor issues in the client code
Socket handling improvements
Fixed an epic fail in the client code
Perfected the UNIX-style LIST output
Improved passive mode function
Added an experimental queue system to prevent some io crashes