Try using the ls() method, it worked for me connecting to a wuftpd on linux.

Looks as if dir() generates a LIST command, while ls() generates an NLST command. The former calls /bin/ls.

debug output:

Net::FTP=GLOB(0x8293290)<<< 220 central.node.at FTP server (Version 6.
+5/OpenBSD, linux port 0.3.2) ready.
Net::FTP=GLOB(0x8293290)>>> user kurt
Net::FTP=GLOB(0x8293290)<<< 331 Password required for kurt.
Net::FTP=GLOB(0x8293290)>>> PASS ....
Net::FTP=GLOB(0x8293290)<<< 230- Have a lot of fun...
Net::FTP=GLOB(0x8293290)<<< 230 User kurt logged in.
Net::FTP=GLOB(0x8293290)>>> CWD /home/kurt/
Net::FTP=GLOB(0x8293290)<<< 250 CWD command successful.
Net::FTP=GLOB(0x8293290)>>> PASV
Net::FTP=GLOB(0x8293290)<<< 227 Entering Passive Mode (127,0,0,1,183,2
+25)
Net::FTP=GLOB(0x8293290)>>> LIST test file
Net::FTP=GLOB(0x8293290)<<< 150 Opening BINARY mode data connection fo
+r '/bin/ls'.
Net::FTP=GLOB(0x8293290)<<< 226 Transfer complete.
DIR: [in.ftpd: file: No such file or directoryin.ftpd: test: No such f
+ile or directory]
Net::FTP=GLOB(0x8293290)>>> PASV
Net::FTP=GLOB(0x8293290)<<< 227 Entering Passive Mode (127,0,0,1,183,2
+27)
Net::FTP=GLOB(0x8293290)>>> NLST test file
Net::FTP=GLOB(0x8293290)<<< 150 Opening BINARY mode data connection fo
+r 'file list'.
Net::FTP=GLOB(0x8293290)<<< 226 Transfer complete.
LS:  [test file]
[download]

generated by

$ftp = Net::FTP->new($destination, Debug=>2) || die "Couldn't connect:
+ $!\n";
$ftp->login($username,$password) || die "Couldn't log in: $!\n";
$ftp->cwd($path) || die "couldn't cwd! $!\n";
print STDERR "DIR: [",$ftp->dir($filename),"]\n";
print STDERR "LS:  [",$ftp->ls($filename),"]\n";
[download]

--- amphiplex