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【转】CentOS中vsftp安装、配置、卸载

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1. 安装VSFTP

1 yum -y install vsftpd
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2. 配置vsftpd.conf文件

 

  1 # Example config file /etc/vsftpd/vsftpd.conf 
  2 # 
  3 # The default compiled in settings are fairly paranoid. This sample file 
  4 # loosens things up a bit, to make the ftp daemon more usable. 
  5 # Please see vsftpd.conf.5 for all compiled in defaults. 
  6 # 
  7 # READ THIS: This example file is NOT an exhaustive list of vsftpd options. 
  8 # Please read the vsftpd.conf.5 manual page to get a full idea of vsftpd's 
  9 # capabilities. 
 10 # 
 11 # Allow anonymous FTP? (Beware - allowed by default if you comment this out). 
 12 #anonymous_enable=YES
 13 # 
 14 # Uncomment this to allow local users to log in. 
 15 local_enable=YES 
 16 # 
 17 # Uncomment this to enable any form of FTP write command. 
 18 write_enable=YES 
 19 # 
 20 # Default umask for local users is 077. You may wish to change this to 022, 
 21 # if your users expect that (022 is used by most other ftpd's) 
 22 local_umask=022 
 23 # 
 24 # Uncomment this to allow the anonymous FTP user to upload files. This only 
 25 # has an effect if the above global write enable is activated. Also, you will 
 26 # obviously need to create a directory writable by the FTP user. 
 27 #anon_upload_enable=YES 
 28 # 
 29 # Uncomment this if you want the anonymous FTP user to be able to create 
 30 # new directories. 
 31 #anon_mkdir_write_enable=YES 
 32 # 
 33 # Activate directory messages - messages given to remote users when they 
 34 # go into a certain directory. 
 35 dirmessage_enable=YES 
 36 # 
 37 # The target log file can be vsftpd_log_file or xferlog_file. 
 38 # This depends on setting xferlog_std_format parameter 
 39 xferlog_enable=YES 
 40 # 
 41 # Make sure PORT transfer connections originate from port 20 (ftp-data). 
 42 connect_from_port_20=YES 
 43 # 
 44 # If you want, you can arrange for uploaded anonymous files to be owned by 
 45 # a different user. Note! Using "root" for uploaded files is not 
 46 # recommended! 
 47 #chown_uploads=YES
 48  
 49 #chown_username=whoever 
 50 # 
 51 # The name of log file when xferlog_enable=YES and xferlog_std_format=YES 
 52 # WARNING - changing this filename affects /etc/logrotate.d/vsftpd.log 
 53 #xferlog_file=/var/log/xferlog 
 54 # 
 55 # Switches between logging into vsftpd_log_file and xferlog_file files. 
 56 # NO writes to vsftpd_log_file, YES to xferlog_file 
 57 xferlog_std_format=YES 
 58 # 
 59 # You may change the default value for timing out an idle session. 
 60 idle_session_timeout=600 
 61 # 
 62 # You may change the default value for timing out a data connection. 
 63 data_connection_timeout=120 
 64 # 
 65 # It is recommended that you define on your system a unique user which the 
 66 # ftp server can use as a totally isolated and unprivileged user. 
 67 #nopriv_user=ftpsecure 
 68 # 
 69 # Enable this and the server will recognise asynchronous ABOR requests. Not 
 70 # recommended for security (the code is non-trivial). Not enabling it, 
 71 # however, may confuse older FTP clients. 
 72 #async_abor_enable=YES 
 73 # 
 74 # By default the server will pretend to allow ASCII mode but in fact ignore 
 75 # the request. Turn on the below options to have the server actually do ASCII 
 76 # mangling on files when in ASCII mode. 
 77 # Beware that on some FTP servers, ASCII support allows a denial of service 
 78 # attack (DoS) via the command "SIZE /big/file" in ASCII mode. vsftpd 
 79 # predicted this attack and has always been safe, reporting the size of the 
 80 # raw file. 
 81 # ASCII mangling is a horrible feature of the protocol. 
 82 ascii_upload_enable=YES
 83 ascii_download_enable=YES
 84  
 85 # 
 86 # You may fully customise the login banner string: 
 87 ftpd_banner=Welcome to lightnear FTP service. 
 88 # 
 89 # You may specify a file of disallowed anonymous e-mail addresses. Apparently 
 90 # useful for combatting certain DoS attacks. 
 91 #deny_email_enable=YES 
 92 # (default follows) 
 93 #banned_email_file=/etc/vsftpd/banned_emails 
 94 # 
 95 # You may specify an explicit list of local users to chroot() to their home 
 96 # directory. If chroot_local_user is YES, then this list becomes a list of 
 97 # users to NOT chroot(). 
 98 chroot_local_user=YES 
 99 #chroot_list_enable=YES 
100 # (default follows) 
101 #chroot_list_file=/etc/vsftpd/chroot_list 
102 # 
103 # You may activate the "-R" option to the builtin ls. This is disabled by 
104 # default to avoid remote users being able to cause excessive I/O on large 
105 # sites. However, some broken FTP clients such as "ncftp" and "mirror" assume 
106 # the presence of the "-R" option, so there is a strong case for enabling it. 
107 ls_recurse_enable=YES
108 # 
109 # When "listen" directive is enabled, vsftpd runs in standalone mode and 
110 # listens on IPv4 sockets. This directive cannot be used in conjunction 
111 # with the listen_ipv6 directive. 
112 listen=YES 
113 # 
114 # This directive enables listening on IPv6 sockets. To listen on IPv4 and IPv6 
115 # sockets, you must run two copies of vsftpd with two configuration files. 
116 # Make sure, that one of the listen options is commented !! 
117 #listen_ipv6=YES
118  
119 pam_service_name=vsftpd 
120 userlist_enable=YES 
121 userlist_deny=NO 
122 local_root=/var/public_root 
123 tcp_wrappers=YES
124 use_localtime=YES
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3. 增加FTP帐户

   这里设置的账户名为“objectyan”,密码为“objectyan

1 [root@localhost ~]# useradd objectyan -s /sbin/nologin
2 [root@localhost ~]# passwd objectyan
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4. 编辑user_list文件,允许objectyan用户访问FTP

 1 [root@localhost ~]# vi /etc/vsftpd/user_list
 2 
 3 # vsftpd userlist
 4 # If userlist_deny=NO, only allow users in this file
 5 # If userlist_deny=YES (default), never allow users in this file, and
 6 # do not even prompt for a password.
 7 # Note that the default vsftpd pam config also checks /etc/vsftpd/ftpusers
 8 # for users that are denied.
 9 root
10 bin
11 daemon
12 adm
13 lp
14 sync
15 shutdown
16 halt
17 mail
18 news
19 uucp
20 operator
21 games
22 nobody
23 objectyan
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5. 建立我们的根目录,并设置访问权限

1 [root@localhost ~]# mkdir /var/public_root
2 [root@localhost ~]# chown -R objectyan /var/public_root
3 [root@localhost ~]# chmod -R 755 /var/public_root
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6. 开启vsftpd服务

1 [root@localhost ~]# service vsftpd start
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7.默认开启vsftp服务

 

1 [root@localhost var]# chkconfig vsftpd on
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centos 卸载vsftpd方法

    如果服务器上安装了vsftpd,配置出错需要卸载vsftpd

 

1 [root@localhost ~]# rpm -aq vsftpd
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  vsftpd-2.0.5-16.el5_5.1 #此处是查找vsftpd的返回结果

1 [root@localhost ~]# rpm -e vsftpd-2.0.5-16.el5_5.1
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  #用rpm -e 查找结果 进行删除就ok了。
  warning: /etc/vsftpd/user_list saved as /etc/vsftpd/user_list.rpmsave
  warning: /etc/vsftpd/ftpusers saved as /etc/vsftpd/ftpusers.rpmsave #删除时将备份vsftp的用户列表文件。

 

 

 

 

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