The xferlog file contains transfer logging information from the FTP Server, in.ftpd(1M). You can use the logfile capability to change
the location of the log file. See ftpaccess(4).
By default, each server entry is composed of a single line of the following form. All fields are separated by spaces.
The xferlog format capability can be used to customize the transfer log file format used. In addition to those in the default format, it also supports chroot-filename, file-size, and restart-offset fields. See ftpaccess(4).
The fields are defined as follows:
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 minutes
ss
Is the seconds
YYYY
Is the year
transfer-time
The total time in seconds for the transfer
remote-host
The remote host name
bytes-transferred
The number of bytes transferred
filename
The absolute pathname of the transferred file
transfer-type
A single character indicating the type of transfer:
a
Indicates an ascii transfer
b
Indicates a binary transfer
special-action-flag
One or more single character flags that indicate any special action taken. The special-action-flag can have one of more of the following values: