$ ftp download.avm.de
Connected to download.avm.de.
220 "AVM FTP Server"
Name (download.avm.de:user): anonymous
331 Please specify the password.
Password:
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> dir
200 EPRT command successful. Consider using EPSV.
150 Here comes the directory listing.
drwxr-xr-x 9 ftp ftp 4096 Aug 30 2018 archive
drwxr-xr-x 50 ftp ftp 4096 Mar 01 18:11 fritzbox
drwxr-xr-x 10 ftp ftp 4096 Apr 26 16:23 fritzdect
drwxr-xr-x 6 ftp ftp 4096 May 27 15:47 fritzfon
drwxr-xr-x 16 ftp ftp 4096 May 23 17:24 fritzpowerline
drwxr-xr-x 21 ftp ftp 4096 Dec 17 17:59 fritzwlan
226 Directory send OK.
ftp> quit
221 Goodbye.