anchor.diff:      ftp://ftp.ru.debian.org/debian/
       ftp://ftp.debian.org/debian/
       http://archive.debian.org/debian-archive/debian/
  +    ftp://ftp.funet.fi/pub/mirrors/ftp.debian.org/debian/
     ];
   
     # Ubuntu.
  
positive.code:     http://mirror.cc.columbia.edu/pub/software/apache/
      http://www.apache.org/dist/
      http://archive.apache.org/dist/ # fallback for old releases
    ];
  
    postgresql = [
  
negative.code:     http://ramses.wh2.tu-dresden.de/pub/mirrors/kernel.org/
      http://linux-kernel.uio.no/pub/
      http://kernel.osuosl.org/pub/
      ftp://ftp.funet.fi/pub/mirrors/ftp.kernel.org/pub/
    ];
  
    # Mirrors of ftp://ftp.kde.org/pub/kde/.
  