ftp.ntua.gr:/debian/dists/bullseye/main/installer-armhf/20210731+deb11u3/images/cdrom/?C=M&O=D 
Icon  Name                                                                 Last modified      Size  
[DIR] Parent Directory                                                                          -   
[   ] vmlinuz                                                              22-Mar-2022 19:37  4.7M  
[   ] initrd.gz                                                            22-Mar-2022 19:37   12M  
[   ] debian-cd_info.tar.gz                                                22-Mar-2022 19:37  5.2M
Apache/2.2 Server at debian.noc.ntua.gr Port 80