The FTP of Linux

An anonymous access-based FTP service

Anonymous account login is generally used to download the server, and does not require a user name and password, vsftpd default to turn on anonymous sharing, the default share path is/var/ftp/pub

1 Open port, turn off SELinux:

[Email protected] ~]# Vim/etc/selinux/config

Selinux=disabled

[Email protected] ~]# Setenforce 0

[[email protected] abc]# iptables-a input-p TCP--dport 20:21-j ACCEPT

2 Configuring the Anonymous FTP service

Installing the Software

[Email protected] abc]# yum-y install VSFTPD

[Email protected] pub]# rpm-q vsftpd

vsftpd-2.2.2-24.el6.i686

Create test files, modify directory permissions

[[email protected] ftp]# echo "This is FTP" >/var/ftp/pub/ftp.txt

[Email protected] ftp]# chown ftp/var/ftp/pub/#允许用户上传

[Email protected] ftp]# ll-d/var/ftp/pub

Drwxr-xr-x 2 FTP root 4096 May 19:06/var/ftp/pub

The configuration file remains the default and does not make any modifications.

Attached: Common options for anonymous service profiles:

Anonymous_enable=yes #允许匿名访问, when enabled, the default has read-only permissions to complete the download and other basic tasks

Local_enable=yes #启用本地用户

Write_enable=yes #开放服务器写权限, global options, to upload, you must turn on this

Anon_upload_enable=yes #允许匿名用户上传文件

Anon_mkdir_write_enable=yes #允许匿名用户创建目录

Open service

[[Email protected] vsftpd]# service VSFTPD start

3 Testing

In the Windows host Address bar, type: Ftp://IP

Two FTP services based on local accounts

VSFTPD can directly use the system user as an FTP account, provide login authentication based on username/password, when the user logs in using the system account, it will be in the host directory by default, and have read and write permissions in the host directory.

1 Open port, turn off SELinux (slightly)

2 Configuring the Local user FTP service

Installing the Software

[Email protected] abc]# yum-y install VSFTPD

[Email protected] pub]# rpm-q vsftpd

vsftpd-2.2.2-24.el6.i686

Creating system users and test files

[Email protected] vsftpd]# useradd-s/sbin/nologin Tom

[Email protected] vsftpd]# passwd Tom

Changing password for user Tom.

New Password:

Bad Password:it is the too short

Bad Password:is too simple

Retype new Password:

Passwd:all authentication tokens updated successfully.

[[email protected] tom]# echo "This is Tom" >/home/tom/tom.txt

Modifying a configuration file

[Email protected] tom]# vim/etc/vsftpd/vsftpd.conf

Anonymous_enable=no

Local_enable=yes

Write_enable=yes

local_umask=022

Dirmessage_enable=yes

Chroot_local_user=yes

Open service

[[Email protected] vsftpd]# service VSFTPD start

3 Testing

In the Windows host Address bar, type: Ftp://IP

4 Only allow Tom users to log in

[Email protected] zwj]# vim/etc/vsftpd/vsftpd.conf

Userlist_enable=yes

Userlist_deny=no

[Email protected] ~]# vim/etc/vsftpd/user_list

Tom

[Email protected] ~]# service VSFTPD Reload

5 test again Tom User: ftp://[email protected]

This article from "10,000 years too long, seize" blog, please be sure to keep this source http://zengwj1949.blog.51cto.com/10747365/1930770

The FTP of Linux