CentOS 7 Installation Configuration FTP server

CentOS7 the installation configuration of the FTP server.

Suppose we have the following requirements

Path	Permissions	Note
/ftp/open	All members of the company, including guests, can access	Read-only
/ftp/private	Only three people are allowed to visit Alice, Jack, and Tom	Alice and Jack are only allowed to download, Tom can upload both using a virtual account

Install FTP

Installing with Yum

# Yum-yinstall FTP vsftpd

or use RPM to install the following two packages

Ftp-0.17-66.el7.x86_64

Vsftpd-3.0.2-9.el7.x86_64

Also need to install the DB package, used to encrypt the virtual user's account information

This package is already installed by default in Centos7.

# Rpm-qf/usr/bin/db_load

Libdb-utils-5.3.21-17.el7_0.1.x86_64

Configuration

# Mkdir/ftp/open

Make a few test files

# echo Opentest >/ftp/open/open.txt

# echo Filetest >/tmp/filetest1.txt

# Touch/ftp/open/anontest.txt

View the path to the configuration file

# RPM-QC VSFTPD

/etc/logrotate.d/vsftpd

/etc/pam.d/vsftpd

/etc/vsftpd/ftpusers

/etc/vsftpd/user_list

/etc/vsftpd/vsftpd.conf

# cd/etc/vsftpd/

Back up the original configuration file

# CP vsftpd.conf Vsftpd.conf.origin

Create a password plaintext file

# Vi/etc/vsftpd/vftpuser.txt

Alice

[Email protected]

Jack

[Email protected]

Tom

[Email protected]

Create a password DB file based on clear text

# db_load-t-T hash-f/etc/vsftpd/vftpuser.txt \

/etc/vsftpd/vftpuser.db

View Password data files

# file/etc/vsftpd/vftpuser.db

/etc/vsftpd/vftpuser.db:berkeley db (Hash, version9, native Byte-order)

Create a Guest account for VFTPD

# useradd-d/ftp/private-s/sbin/nologin Vftpuser

# VI/ETC/PAM.D/VSFTPD

Comment out all the configuration line lines for Auth and account, adding the following:

Auth Required pam_userdb.so Db=/etc/vsftpd/vftpuser

Account Required Pam_userdb.sodb=/etc/vsftpd/vftpuser

Open configuration file

# vi/etc/vsftpd/vsftpd.conf

At the end of the add

Anon_root=/ftp/open

Virtual_use_local_privs=yes

Guest_enable=yes

Guest_username=vftpuser

Chroot_local_user=yes

Allow_writeable_chroot=yes

Set up auto-start

# Systemctl Enable VSFTPD

Ln-s '/usr/lib/systemd/system/vsftpd.service '/etc/systemd/system/multi-user.target.wants/vsftpd.service '

# Systemctlstart VSFTPD

View the current status

# Systemctlstatus VSFTPD

VSFTPD.SERVICE-VSFTPD FTP Daemon

Loaded:loaded (/usr/lib/systemd/system/vsftpd.service; enabled)

Active:active (running) since Mon 2014-08-11 19:57:12 CST; 22h ago

Main pid:12733 (VSFTPD)

Cgroup:/system.slice/vsftpd.service

A "a" 12733/usr/sbin/vsftpd/etc/vsftpd/vsftpd.conf

SYSTEMD[1]: Starting Vsftpd FTP daemon ...

SYSTEMD[1]: Started Vsftpd FTP daemon.

VSFTPD[12738]: Pam_userdb (vsftpd:auth): User ' Alice ' granted access

VSFTPD[12753]: Pam_userdb (vsftpd:auth): User ' Jack ' granted access

SYSTEMD[1]: Started Vsftpd FTP daemon.

Test

Test anonymous accounts

# Ftplocalhost

Trying:: 1 ...

Connected to localhost (:: 1).

(VsFTPd 3.0.2)

Name (localhost:root): Anonymous

331 Specify the password.

Password:

Successful Login.

Remote system type is UNIX.

Using binary mode to transfer files.

Ftp> ls

229 Entering Extended Passive Mode (| | | 61057|).

Here comes the directory listing.

-rw-r--r--1 0 0 9 11:45 open.txt

226 Directory send OK.

Ftp> lcd/tmp

Local Directory Now/tmp

Ftp> Getopen.txt

Local:open.txt Remote:open.txt

229 Entering Extended Passive Mode (| | | 64276|).

Opening BINARY Mode data connection Foropen.txt (9 bytes).

226 Transfer complete.

9 Bytes received in 0.000895 secs (10.06 kbytes/sec)

Ftp> bye

221 Goodbye.

Test your local account

# Ftplocalhost

Trying:: 1 ...

Connected to localhost (:: 1).

(VsFTPd 3.0.2)

Name (localhost:root): Alice

331 Specify the password.

Password:

Successful Login.

Remote system type is UNIX.

Using binary mode to transfer files.

Ftp> ls

229 Entering Extended Passive Mode (| | | 21750|).

Here comes the directory listing.

226 Directory send OK.

Ftp>!ls/tmp

Filetest1.txt open.txt systemd-private-9xpn7y vmware-fonts0 vmware-installer1 vmware-root vmware-t Ools-distrib

ks-script-_yi85r samba.docx vmware-config0 Vmware-installer0 vmware-installer2 vmware-root-2117481760 yum.log

Ftp> lcd/tmp

Local Directory Now/tmp

Ftp> Putfiletest1.txt

Local:filetest1.txt Remote:filetest1.txt

229 Entering Extended Passive Mode (| | | 65399|).

Ok to send data.

226 Transfer complete.

9 Bytes Sent in 5.9e-05 secs (152.54 kbytes/sec)

Ftp> bye

221 Goodbye.

CentOS 7 Installation Configuration FTP server