Install and configure the FTP server in CentOS 7

Install and configure the FTP server in CentOS 7

Install and configure the FTP server in CentOS 7.

Suppose we have the following requirements:

Path	Permission	Remarks
/Ftp/open	All staff of the company, including guests, can access	Read-Only
/Ftp/private	Only Alice, Jack, and Tom are allowed to access	Alice and Jack can only be downloaded, Tom can upload all files using a virtual account

Install FTP

// Use yum for Installation
# 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
// You need to install a db package to encrypt the account information of a virtual user.
// This package is installed in centos7 by default.
# Rpm-qf/usr/bin/db_load
Libdb-utils-5.3.21-17.el7_0.1.x86_64

Configuration

# Mkdir/ftp/open
Test files
# Echo opentest>/ftp/open/open.txt
# Echo filetest>/tmp/filetest1.txt

# Touch/ftp/open/anontest.txt
// View the path of the configuration file
# Rpm-qc vsftpd
/Etc/logrotate. d/vsftpd
/Etc/pam. d/vsftpd
/Etc/vsftpd/ftpusers
/Etc/vsftpd/user_list
/Etc/vsftpd. conf

# Cd/etc/vsftpd/
// Back up the original configuration file
# Cp vsftpd. conf vsftpd. conf. origin

// Create a plaintext Password File
# Vi/etc/vsftpd/vftpuser.txt
Alice
P @ ssw0rd
Jack
P @ ssw0rd
Tom
P @ ssw0rd

// Create a password DB File Based on plaintext
# Db_load-T-t hash-f/etc/vsftpd/vftpuser.txt \
/Etc/vsftpd/vftpuser. db

// View the password data file
# File/etc/vsftpd/vftpuser. db
/Etc/vsftpd/vftpuser. db: Berkeley DB (Hash, version9, native byte-order)

// Create a vftpd guest Account
# Useradd-d/ftp/private-s/sbin/nologin vftpuser

# Vi/etc/pam. d/vsftpd
Comment out all the configuration lines of auth and account and add the following content:
Auth required pam_userdb.so db =/etc/vsftpd/vftpuser
Account required pam_userdb.sodb =/etc/vsftpd/vftpuser
// Open the configuration file
# Vi/etc/vsftpd. conf
// Add at the end
Anon_root =/ftp/open
Virtual_use_local_privs = YES
Guest_enable = YES
Guest_username = vftpuser
Chroot_local_user = YES
Allow_writeable_chroot = YES
// Set Automatic 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; 22 h ago
Main PID: 12733 (vsftpd)
CGroup:/system. slice/vsftpd. service
A "12733/usr/sbin/vsftpd/etc/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 the anonymous account
# Ftplocalhost
Trying: 1...
Connected to localhost (: 1 ).
220 (vsFTPd 3.0.2)
Name (localhost: root): anonymous
331 Please specify the password.
Password:
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
Ftp> ls
229 Entering Extended Passive Mode (||| 61057 | ).
150 Here comes the directory listing.
-Rw-r -- 1 0 0 9 Aug 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 | ).
150 Opening BINARY mode data connection foropen.txt (9 bytes ).
226 Transfer complete.
9 bytes encoded ed in 0.000895 secs (10.06 Kbytes/sec)
Ftp> bye
221 Goodbye.

// Test the local account
# Ftplocalhost
Trying: 1...
Connected to localhost (: 1 ).
220 (vsFTPd 3.0.2)
Name (localhost: root): alice
331 Please specify the password.
Password:
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
Ftp> ls
229 Entering Extended Passive Mode (||| 21750 | ).
150 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-tools-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 | ).
150 OK to send data.
226 Transfer complete.
9 bytes sent in 5.9e-05 secs (152.54 Kbytes/sec)
Ftp> bye
221 Goodbye.

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