standard xferlog format

as emitted by various ftp servers including vsftpd and wuftpd...

  Fld  Description
  ===  =========================
    1  day of week
    2  month
    3  day
    4  time of day (hh:mm:ss)
    5  year
    6  transfer time in seconds
    7  remote (source) hostname or IP address
    8  number of bytes transferred
    9  file name
   10  (a)scii or (b)inary flag (transfer type)
   11  special action flags (c)ompressed (u)ncompressed (t)ar'red
   12  (i)nbound or (o)utbound transfer (direction)
   13  access mode (a)nonymous (g)uest (r)eal user
   14  username or ID string
   15  service name (eg /etc/services)
   16  authentication method (0)=none (1)=RFC 931 authentication
   17  authenticated userid (*) if none available
   18  completion status (c)omplete (i)ncomplete