FTP proxy based on AbstractFtpProxy, enabling full read-write access to anonymous users (the 'anonymous' and 'ftp' usernames are permitted). Commands and return codes are strictly checked, unknown commands and responses are rejected. Every feature is accepted.

The ABOR; ACCT; APPE; CDUP; CWD; DELE; EPRT; EPSV; LIST; MKD; MODE; MDTM; NLST; NOOP; OPTS; PASV; PASS; PORT; PWD; QUIT; RMD; RNFR; RNTO; REST; RETR; SIZE; STAT; STOR; STOU; STRU; SYST; TYPE; USER and FEAT commands are permitted, the AUTH; CLNT; XPWD; MACB commands are rejected.