1.Install NTP server
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# apt -y install chrony # vi /etc/chrony/chrony.conf # Line 20~23:Comment the default settings and add the NTP server for your time zone. #pool ntp.ubuntu.com iburst maxsources 4 #pool 0.ubuntu.pool.ntp.org iburst maxsources 1 #pool 1.ubuntu.pool.ntp.org iburst maxsources 1 #pool 2.ubuntu.pool.ntp.org iburst maxsources 2 pool ntp.nict.jp iburst # Add to the last line (Range for which time synchronization is allowed) allow 192.168.11.0/24 |
Configuration Reflection
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# systemctl restart chrony |
Confirmation of operation
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# chronyc sources MS Name/IP address Stratum Poll Reach LastRx Last sample =============================================================================== ^+ ntp-b2.nict.go.jp 1 6 17 2 -190us[ +573us] +/- 7301us ^* ntp-a3.nict.go.jp 1 6 33 1 -377us[ +386us] +/- 6493us ^+ ntp-b3.nict.go.jp 1 6 17 2 -257us[ +507us] +/- 6479us ^+ ntp-a2.nict.go.jp 1 6 17 2 -555us[ +208us] +/- 6834us |
2. Install FTP server vsftpd
2.1Installation and configuration
①Install
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# apt install vsftpd |
②Allow PORT 21 at UFW
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# ufw allow ftp # ufw reload |
③Configuration File Changes
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# vi /etc/vsftpd.conf |
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Line 14 Listen=YES Line 22 Listen_ipv6=NO Line 25 # Do not allow anonymous users to login anonymous_enable=NO Line 28# Allow login by local user accounts local_enable=YES Line 31# Allow use of FTP commands to make changes to files write_enable=YES Line 35# Set permission values to be applied to new files local_umask=022 Line 99# Allow uploads by ASCII ascii_upload_enable=YES Line 100# Allow downloading by ASCII ascii_download_enable=YES Line 122# Change the user's login directory to the user's root directory chroot_local_user=YES Line 123# Users will not be able to access outside the login directory chroot_list_enable=YES Line 125# Users listed in vsftpd.chroot_list are exempt from the above restrictions chroot_list_file=/etc/vsftpd.chroot_list Line 131 #Uncomment ( Enable batch transfer by directory ) ls_recurse_enable=YES |
④Creating vsftpd.chroot_list
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# vi /etc/vsftpd.chroot_list Fill in only the user name (huong) in the new file and finish saving. huong |
⑤Restart vsftpd
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# systemctl restart vsftpd |
Start FileZilla and select "Site Manager" from the "File" menu.
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Click on "New site"
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Enter the following settings for each item and click "Connect"
Protocol : SFTP-SSH File Transfer Protocol
Host : IP address of the server
Port : 2244 (pre-defined SSH port number)
Logon Type : Normal
User : General user name (server login user)
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If the connection is successful, the server directory is displayed on the right and the Windows directory on the left.
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2.2 Vsftpd Over SSL/TLS
①Create a self-signed certificate.
If you are using a trusted, legitimate certificate such as Let's Encrypt, you do not need to do this work.
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# cd /etc/ssl/private # openssl req -x509 -nodes -newkey rsa:3072 -keyout vsftpd.pem -out vsftpd.pem -days 3650 .+...+.+........+.+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*.......+..+....+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*....+..+...+...+.......+.....+.............+.....+...................+.....+.+...+.....+....+.....+...+.............+...........+.+.........+...+....................................+......+.........+..+......................+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ..+...+....+.........+..............+.+..+...+.+...+..+.+...+......+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*.....+....+...........+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*..........+...............+....................+...+......+......+.........+......+...+....+........+.........+...+......+......+.+...+.....+............+....+...+...+..............+......+.............+....................+.+........+.+..............+.......+...+..+.........+......+.+.....+..........+..................+..+...+.......+..+...+.......+.....+................+..+..........+..+......+...............+.......+...+...............+............+........+.+...+..+.+...........................+..+...+......+.......+...+.........+......+..+....+.....+.........+.........+......+......+.+..+......+.+........+.......+..............+.......+.....+...+.........+.+...............+......+...........+.........+...............+.+..+......+....+...............+........+..........+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ----- You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [AU]:JP State or Province Name (full name) [Some-State]:Osaka Locality Name (eg, city) []:Sakai Organization Name (eg, company) [Internet Widgits Pty Ltd]:private Organizational Unit Name (eg, section) []:Admin Common Name (e.g. server FQDN or YOUR name) []:Lepard Email Address []:[administrator Email address] |
➁Edit Vsftpd configuration file
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# vi /etc/vsftpd.conf Line 149,150 Comment out and add below #rsa_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem #rsa_private_key_file=/etc/ssl/private/ssl-cert-snakeoil.key Line 151 change ssl_enable=YES Line 152 add rsa_cert_file=/etc/ssl/private/vsftpd.pem rsa_private_key_file=/etc/ssl/private/vsftpd.pem ssl_ciphers=HIGH force_local_data_ssl=YES force_local_logins_ssl=YES |
Restart Vsftpd
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# systemctl restart vsftpd |
Start FileZilla and check
As before, select "Site Manager" from the "File" menu, select the appropriate server, click "Connect," and the following screen will appear.
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3. File server installation with Samba
Build a file server with access rights that requires user authentication with Samba.
Installation Procedure
(1) Create a shared folder with access rights that requires user authentication.
(2) Create a group with access rights
(3)Create users belonging to groups that can be accessed
(4)Edit configuration file
3.1 samba Install
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# apt -y install samba |
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# mkdir /home/smbshare |
3.3 Create accessible group (smbgroup)
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# groupadd smbgroup # chgrp smbgroup /home/smbshare # chmod 770 /home/smbshare |
3.4 Configuration File Edit
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# vi /etc/samba/smb.conf # Line 25 : unix charset = UTF-8 # add dos charset = CP932 # add Line 40 : Uncomment Add the network to which access is allowed. interfaces = 127.0.0.0/8 192.168.11.0/24 ens33 Line 101 : Commented out and added #map to guest = bad user security = user # Add to the last line [Smbshare] # Specify shared folder path = /home/smbshare # Allow Write writable = yes # Do not allow guest users guest ok = no # [smbgroup] Grant access only to groups valid users = @smbgroup # Set [smbgroup] as the group for file creation force group = smbgroup # Set file creation permissions to [770]. force create mode = 770 # Set permissions to [770] when creating folders force directory mode = 770 # Inherit permissions of upper folders inherit permissions = yes |
3.5 SMB Restart
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# systemctl enable smbd Synchronizing state of smbd.service with SysV service script with /lib/systemd/systemd-sysv-install. Executing: /lib/systemd/systemd-sysv-install enable smbd # systemctl start smbd |
3.6 User (smbuser) registration, password setting, group registration
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# useradd smbuser # smbpasswd -a smbuser New SMB password: # password Retype new SMB password: Added user smbuser. # usermod -aG smbgroup smbuser |
3.7 UFW to allow Samba services
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# ufw allow samba # ufw reload |
Connect from Windows Explorer
Open Explorer and enter "\\server IP" (in this case 192.168.11.83) in the address field.
Access the server.
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You will be asked to enter your authentication information.
User name : User name created in "3.6 User (smbuser) Registration, Password Setting, Group Registration
Password : Password for the above user
Click "OK"
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Confirm that files and folders are newly created when the shared directory information is displayed.
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