vsftpd log format

Thu Mar 4 08:12:30 2004 1 202.114.40.242 37 /incoming/index.html a _ o a guest@my.net ftp 0 * c

1. Thu Mar 4 08:12:30 2004
   current-time 
2. 1
   transfer-time
3. 202.114.40.242
   remote-host  
4. 37
   byte-count
5. /incoming/index.html
   filename
6. a
   transfer-type
7. _
   special-action-flag
8. o
    direction
9. a
   access-mode
10. guest@my.net
    username
11. ftp
    service-name
12. 0
    authentication-method
13. *
    authenticated-user-id
14. c
    completion-status

• current-time  
  The current local time in the form "DDD MMM dd hh:mm:ss
  YYYY", where DDD is the day of the week, MMM is the month,
  dd is the day of the month, hh is the hour, mm is the min-utes,
  ss is the seconds, and YYYY is the year.

• transfer-time
  The total time of the transfer in seconds.

• remote-host
  The remote host name.

• byte-count
  The amount of transferred bytes.

• filename
  The canonicalized (all symbolic links are resolved) abso-lute pathname of the transferred file.
  
  In case of the chrooted FTP session this field can be interpreted as the pathname in the chrooted nvironment(the default interpretation) or as the one in the realfile system. The second type of interpretation can be enabled by the command-line options of the ftpd(.

• transfer-type
  The single character that indicates the type of the trans-fer. The set of possible values is:
• a         An ascii transfer.
• b         A binary transfer.

• special-action-flag
  One or more single character flags indicating any special action taken. The set of possible values is:
• _          No action was taken
• C         The file was compressed (not in use).
• U         The file was uncompressed (not in use).
• T         The file was tar'ed (not in use).

• direction
  The direction of the transfer. The set of possible values is:
• o          The outgoing transfer.
• i           The incoming transfer.

• access-mode
  The method by which the user is logged in. The set of pos-sible values is:
• a (anonymous)  The anonymous guest user.
• g (guest)           The real but chrooted user (this capability is guided by ftpchroot(5) file).
• r (real)           The real user.

• username
  The user's login name in case of the real user, or the user's identification string in case of the anonymous user (by convention it is an email address of the user).

• service-name
  The name of the service being invoked. The ftpd( utility uses the ``ftp'' keyword.

• authentication-method
  The used method of the authentication. The set of possible values is:
• 0         None.
• 1         RFC931 Authentication (not in use).

• authenticated-user-id
  The user id returned by the authentication method. The `*' symbol is used if an authenticated user id is not avail-able.

• completion-status
  The single character that indicates the status of the transfer. The set of possible values is:
• c         A complete transfer.
• i         An incomplete transfer.

vsftpd与log有关的选项：
vsftpd_log_file
xferlog_enable
xferlog_std_format
xferlog_file
dual_log_enable
syslog_enable
log_ftp_protocol
no_log_lock