【例子】
##################log settings###################
# Activate logging of uploads/downloads.
xferlog_enable=YES #上传下载日志
#
# You may override where the log file goes if you like. The default is shown
# below.
xferlog_file=/var/log/xferlog
#
#log in two files /var/log/xferlog and /var/log/vsftpd.log
dual_log_enable=YES #登录日志
vsftpd_log_file=/var/log/vsftpd.log
#log time setting
use_localtime=YES #日志中的时间与系统时间保持一致
#
###################end of log####################