404. That’s an error.

The requested URL /bookmarks/mark?op=add&bkmk=https%3A%2F%2Fwww.pro-linux.de%2Fsicherheit%2F3%2F2001050009%2Fsicherheitsmeldungen-f%25C3%25BCr-mai-2001.html&title=Sicherheitsmeldungen+f%C3%BCr++Mai+2001+-+Security+-+Pro-Linux was not found on this server. That’s all we know.