ftp.ntua.gr:/mirror/slackware/slackware64-current/source/d/flex/?C=S&O=A 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[   ] flex-2.6.4.tar.lz.sig                            06-May-2017 23:49  473   
[TXT] slack-desc                                       27-Feb-2018 08:13  823   
[TXT] flex.SlackBuild                                  13-Feb-2021 07:31  4.2K  
[   ] flex-2.6.4.tar.lz                                06-May-2017 23:50  823K
Apache/2.2 Server at ftp.ntua.gr Port 80