portsurvey log for ftp://ftp.princeton.edu

< ftp://ftp.princeton.edu/pub/Graphics/rayshade.4.0/guide.ps.Z changing directory pub/Graphics 550 Failed to change directory.
< ftp://ftp.princeton.edu/pub/Graphics/rayshade.4.0/rayshade.4.0.6.tar.Z changing directory pub/Graphics 550 Failed to change directory.