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CentOS - FTP server

1. install vsftpd.(PS:procedure 1-4 under the circumstance that the firewall is closed and the iptables is inactive)

1 # install vsftpd2 sudo yum install vsftpd3 # start vsftpd4 sudo systemctl start vsftpd.service5 # start automatic after rebooting

2.configurations about vsftpd.

 1 sudo vim /etc/vsftpd/vsftpd.conf 2  3 ###The following key-values is specially listed#### 4 anonymous_enable=NO 5 dirmessage_enable=YES 6 local_umask=022 7 xferlog_enable=YES 8 ftpd_banner="welcome messages" 9 data_connection_timeout=12010 11 # restart vsftpd service12 sudo systemctl restart vsftpd.service

3.create ftp user

1 sudo useradd -s /sbin/nologin netlab2 sudo passwd netlab3 sudo chmod -R 777 /home/netlab

4.limit the user to the root directory

# revise the configuration of vsftpdsudo vim /etc/vsftpd/vsftpd.conf#####Special items###########chroot_local_user=YESchroot_list_enable=YESchroot_list_file=/etc/vsftpd/chroot_listallow_writeable_chroot=YES# create a file. Otherwise, it would be wrong.sudo touch /etc/vsftpd/chroot_list# restart the servicesudo systemctl restart vsftpd.service

5.about the firewall

open the port to allow the application to use the port.

e.g.,

-A INPUT -m state –state NEW -m tcp -p tcp –dport 21 -j ACCEPT

CentOS - FTP server