proftpd.conf的配置内容如下：但是报错，日志如下2018-06-04 09:58:51,008 mod_sql/4.3[14619]: SQLMinUserUID : 2001
2018-06-04 09:58:51,008 mod_sql/4.3[14619]: SQLMinUserGID : 2001
2018-06-04 09:58:51,008 mod_sql/4.3[14619]: SQLDefaultUID : 65533
2018-06-04 09:58:51,008 mod_sql/4.3[14619]: SQLDefaultGID : 65533
2018-06-04 09:58:51,008 mod_sql/4.3[14619]: <<< sql_sess_init
2018-06-04 09:58:54,679 mod_sql/4.3[14619]: >>> cmd_endpwent
2018-06-04 09:58:54,679 mod_sql/4.3[14619]: <<< cmd_endpwent
2018-06-04 09:58:54,679 mod_sql/4.3[14619]: >>> cmd_endgrent
2018-06-04 09:58:54,679 mod_sql/4.3[14619]: <<< cmd_endgrent
2018-06-04 09:58:54,679 mod_sql/4.3[14619]: entering mysql cmd_exit
2018-06-04 09:58:54,679 mod_sql/4.3[14619]: exiting mysql cmd_exit
2018-06-04 09:58:55,780 mod_sql/4.3[14621]: defaulting to 'mysql' backend
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: backend module 'mod_sql_mysql/4.0.8'
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: backend api 'mod_sql_api_v1'
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: >>> sql_sess_init
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: entering mysql cmd_defineconnection
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: name: 'default'
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: user: 'root'
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: host: 'localhost'
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: db: 'proftpd'
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: port: '3306'
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: ttl: '0'
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: exiting mysql cmd_defineconnection
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: connection 'default' successfully established
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: mod_sql engine : on
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: negative_cache : off
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: authenticate : users groups userset groupset
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: usertable : ftpuser
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: userid field : userid
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: password field : passwd
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: UID field : uid
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: GID field : gid
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: homedir field : homedir
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: shell field : shell
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: group table : ftpgroup
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: groupname field : groupname
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: grp GID field : gid
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: grp members field : members
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: SQLMinUserUID : 2001
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: SQLMinUserGID : 2001
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: SQLDefaultUID : 65533
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: SQLDefaultGID : 65533
2018-06-04 09:58:55,781 mod_sql/4.3[14621]: <<< sql_sess_init
2018-06-04 09:58:58,815 mod_sql/4.3[14621]: >>> cmd_endpwent
2018-06-04 09:58:58,815 mod_sql/4.3[14621]: <<< cmd_endpwent
2018-06-04 09:58:58,815 mod_sql/4.3[14621]: >>> cmd_endgrent
2018-06-04 09:58:58,815 mod_sql/4.3[14621]: <<< cmd_endgrent
2018-06-04 09:58:58,815 mod_sql/4.3[14621]: entering mysql cmd_exit
2018-06-04 09:58:58,815 mod_sql/4.3[14621]: exiting mysql cmd_exit
"/var/log/proftpd/sql.log" 276L, 19290C
# from being group and world writable.
Umask 022
# To prevent DoS attacks, set the maximum number of child processes
# to 30. If you need to allow more than 30 concurrent connections
# at once, simply increase this value. Note that this ONLY works
# in standalone mode, in inetd mode you should use an inetd server
# that allows you to limit maximum number of processes per service
# (such as xinetd).
MaxInstances 30
# Set the user and group under which the server will run.
User ftpuser
Group ftpgroup
# To cause every FTP user to be "jailed" (chrooted) into their home
# directory, uncomment this line.
#DefaultRoot ~
# Set the user and group under which the server will run.
User ftpuser
Group ftpgroup
# To cause every FTP user to be "jailed" (chrooted) into their home
# directory, uncomment this line.
#DefaultRoot ~
# Normally, we want files to be overwriteable.
AllowOverwrite on
# Bar use of SITE CHMOD by default
<Limit SITE_CHMOD>
DenyAll
</Limit>
LoadModule mod_sql.c
LoadModule mod_sql_mysql.c
<Global>
#SQLBackend mysql
SQLEngine on
SQLAuthenticate on
SQLLogFile /var/log/proftpd/sql.log
# 这个 AuthTypes 网上的很多教程都是不对的。
SQLAuthTypes Crypt
SQLAuthenticate users* groups*
SQLConnectInfo proftpd@localhost:3306 root #*Caskey123
SQLUserInfo ftpuser userid passwd uid gid homedir shell
SQLGroupInfo ftpgroup groupname gid mckend errorembers
aaaaaaaaaaaaa 2001
SQLMinUserUID 2001
CreateHome on
# Update count every time user logs in
SQLLog PASS updatecount
# SQLLog PASS counter
SQLNamedQuery updatecount UPDATE “count=count+1, accessed=now() WHERE userid=’%u'” ftpuser
# Update modified everytime user uploads or deletes a file
SQLLog STOR,DELE modified
SQLNamedQuery modified UPDATE “modified=now() WHERE userid=’%u'” ftpuser
</Global>
# A basic anonymous configuration, no upload directories. If you do not