The general rules for the /pub/pictures part of ftp.sunet.se are
To contact the managers, send a mail to email@example.com
Apache/2.4.46 (Unix) Server at ftp.acc.umu.se Port 80
If you do not see any explicit copyright statement associated with the
picture, then we do not know the status.
If you want to reuse a picture publicly you should contact the copyright
owner. Information on who this actually is may or may not be available
in the textfile associated with the picture, if one exists.
We (SUNET) do not hold copyright for any of the pictures.