Zlib

   This software allows BBFTP to compress/uncompress data on-the-fly.
   It  can  be  downloaded  at  http://www.gzip.org/zlib. The recommended
   version is 1.1.4 which fixes a potential security problem.
   This library is optional for both client and server.
   The  default  behavior  of  the  BBFTP build process is to search Zlib
   automatically.

    OpenSSL

   This  software  allows  BBFTP to encrypt user connection details (user
   name + password) when using the standard authentication method.
   It can be downloaded at http://www.openssl.org.
   This  library  is optional for BBFTP client. It is mandatory for BBFTP
   server except in certificates mode (The Globus Toolkit includes it).
   The  default  behavior of the BBFTP build process is to search OpenSSL
   automatically.

    Globus Toolkit 2

   This software allows BBFTP to use certificates as authentication mode.
   The  Globus Toolkit 2.0 or 2.2 is divided into several components. The
   one  needed  by  BBFTP  is GSI (Grid Security Infrastructure) which is
   included  in  the  Information  Service SDK Bundle. This bundle can be
   downloaded at http://www.globus.org/toolkit/download.
   Theses libraries are mandatory when using certificates.
   If  BBFTP  is  built  in certificate mode, the default behavior of the
   build process is to search GSI automatically, else GSI is not included
   in the build process.

    AFS

   BBFTP  is  interfaced  with  AFS  so that password entered in standard
   authentication mode is handled by AFS.
   By default, AFS is not included in the build process.

    RFIO

   This   software  allows  BBFTP  to  access  files  directly  from  the
   hierarchical storage systems HPSS or Castor.
   RFIO64 is also supported.
   The  default  behavior  of  the  BBFTP build process is to search RFIO
   automatically.