ftp.ntua.gr:/debian/pool/main/u/ubuntu-keyring/ 
Icon  Name                                          Last modified      Size  
[DIR] Parent Directory                                                   -   
[   ] ubuntu-archive-keyring_2012.05.19-1_all.deb   23-Dec-2013 06:12   18K  
[   ] ubuntu-archive-keyring_2016.05.13-1_all.deb   04-Jun-2016 15:47   18K  
[   ] ubuntu-archive-keyring_2018.09.18.1-5_all.deb 11-Mar-2019 19:46  7.3K  
[   ] ubuntu-archive-keyring_2020.06.17.1-1_all.deb 07-Mar-2021 05:55  7.5K  
[   ] ubuntu-cloud-keyring_2018.09.18.1-5_all.deb   11-Mar-2019 19:46   10K  
[   ] ubuntu-cloud-keyring_2020.06.17.1-1_all.deb   07-Mar-2021 05:55   10K  
[   ] ubuntu-dbgsym-keyring_2018.09.18.1-5_all.deb  11-Mar-2019 19:46   12K  
[   ] ubuntu-dbgsym-keyring_2020.06.17.1-1_all.deb  07-Mar-2021 05:55   12K  
[   ] ubuntu-keyring_2012.05.19-1.debian.tar.gz     23-Dec-2013 06:12  3.7K  
[   ] ubuntu-keyring_2012.05.19-1.dsc               23-Dec-2013 06:12  1.8K  
[   ] ubuntu-keyring_2012.05.19.orig.tar.gz         23-Dec-2013 06:12   18K  
[   ] ubuntu-keyring_2016.05.13-1.debian.tar.xz     04-Jun-2016 15:47  3.7K  
[   ] ubuntu-keyring_2016.05.13-1.dsc               04-Jun-2016 15:47  1.8K  
[   ] ubuntu-keyring_2016.05.13.orig.tar.gz         04-Jun-2016 15:47   18K  
[   ] ubuntu-keyring_2018.09.18.1-5.debian.tar.xz   11-Mar-2019 18:51  273K  
[   ] ubuntu-keyring_2018.09.18.1-5.dsc             11-Mar-2019 18:51  2.2K  
[   ] ubuntu-keyring_2018.09.18.1-5_all.deb         11-Mar-2019 19:46   27K  
[   ] ubuntu-keyring_2018.09.18.1.orig.tar.gz       30-Dec-2018 17:42   33K  
[   ] ubuntu-keyring_2020.06.17.1-1.debian.tar.xz   07-Mar-2021 05:45  273K  
[   ] ubuntu-keyring_2020.06.17.1-1.dsc             07-Mar-2021 05:45  2.2K  
[   ] ubuntu-keyring_2020.06.17.1-1_all.deb         07-Mar-2021 05:55   27K  
[   ] ubuntu-keyring_2020.06.17.1.orig.tar.gz       07-Mar-2021 05:45   36K
Apache/2.2 Server at debian.noc.ntua.gr Port 80