# mod_vhost_hash_alias have to be enabled for each virtual host (catch-all)
  #
  HashEnable On
  #
  # Digest algorithm to use:
  # CRC32, ADLER32, MD5, SHA1, SHA256, or other types
  # supported by the module and libmhash
  #
  HashType md5
  #
  # The output encoding (rfc3548) of hash result
  # hexa, base16_low, base16_up, base32_low, base32_up, base64_ufs,
  #
  HashEncoding hexa
  #
  # Number of characters to use to build the document root
  # The hash string is truncated to this length
  #
  HashLimit 6
  #
  # Splitting scheme
  # Specify the size of each chunk of the digest string
  # The last count is taken until the end of string is reached
  #
  HashSplit 2 2 2
  #
  # The base directory used to build the document root
  # (mandatory)
  #
  HashDocumentRootPrefix /data/web
  #
  # A directory added to the final built root
  # (optionnal)
  #
  HashDocumentRootSuffix htdocs
  #
  # A list of host prefix to strip
  # eg: this handle basic web aliasing
  #   
http://www.example.com/  # will point on the same document root than
  #   
http://example.com/
  #
  # (optionnal)
  #
  HashAddAliasPrefix www ftp