ftp.ntua.gr:/mirror/ubuntu/dists/groovy/main/cnf/by-hash/SHA256/?C=S&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] b64fc7ddeaaf91c6b894b0808fdd0b53034ed5e1a1dbd..> 21-Oct-2020 15:31   28K  
[   ] 4de5b88b337ce58789adfac819c740aafcae20361bdd7..> 21-Oct-2020 02:29   28K  
[   ] 044402ce7105c5f9949a1b69469dc92a54c89dc0fd6a3..> 21-Oct-2020 14:30   28K  
[   ] e16f82429c04863e00b6ed2c81167a816d107d75c2159..> 21-Oct-2020 02:29   27K  
[   ] c15fff2d6886ecd2bdbf635b4a8cb3add597733a0da9d..> 21-Oct-2020 02:29   27K  
[   ] 8ce7dd960bf8132db059c5a3eca8cbbf59e848fbf712a..> 21-Oct-2020 03:29   19K
Apache/2.2 Server at ftp.ntua.gr Port 80