Shulou(Shulou.com)06/02 Report--

Yum install vsftpd

[root@localhost etc] # yum-y install vsftpd

Create virtual users and passwords

[root@localhost etc] # cd / etc/vsftpd [root@localhost vsftpd] # vim vuser.list

Single behavior user name double behavior password

Create a database file

[root@localhost vsftpd] # db_load-T-t hash-f vuser.list vuser.db

Improve the security of virtual users

[root@localhost vsftpd] # chmod 600 / etc/vsftpd/vuser.* [root@localhost vsftpd] # ls-lh / etc/vsftpd/vuser.*-rw-. 1 root root 12K Dec 25 17:55 / etc/vsftpd/vuser.db-rw-. 1 root root 21 Dec 25 17:51 / etc/vsftpd/vuser.list

Create a mapping account

[root@localhost vsftpd] # useradd-s / sbin/nologin-d / var/ftproot along [root@localhost vsftpd] # chmod-R 777 / var/ftproot/

Create a PAM certification file

[root@localhost vsftpd] # cd / etc/pam.d/ [root@localhost pam.d] # lschfn fingerprint-auth-ac password-auth-ac remote smtp sudo-i vlockchsh login polkit-1 runuser smtp.postfix su-l vmtoolsdconfig-util other postlogin runuser-l sshd system-auth vsftpdcrond passwd postlogin-ac smartcard-auth su system-auth-ac vsftpd.rpmsavefingerprint-auth password-auth ppp smartcard-auth-ac sudo systemd-user vsftpd.user [root@localhost pam.d] # vim vsftpd

Modify the master configuration file

[root@localhost pam.d] # cd / etc/vsftpd/ [root@localhost vsftpd] # lsftpusers user_list vsftpd.conf vsftpd_conf_migrate.sh vuser.db vuser.l [root@localhost vsftpd] # cp vsftpd.conf vsftpd.conf.bak [root@localhost vsftpd] # vim vsftpd.conf [root@localhost vsftpd] # cat vsftpd.conf | grep-v "^ $" | grep-v "^ #" anonymous_enable=NOallow_writeable_chroot=YESlocal_enable=YESwrite_enable=YESlocal_umask=022anon_umask=022anon_mkdir_write_enable=YESdirmessage_enable=YESxferlog_enable=YESconnect _ from_port_20=YESxferlog_std_format=YESchroot_local_user=YESlisten=NOlisten_ipv6=YESpam_service_name=vsftpduser_config_dir=/etc/vsftpd/usersguest_enable=YESguest_username=alonguserlist_enable=YEStcp_wrappers=YES

Create a users directory file and create a profile for each virtual user

[root@localhost vsftpd] # mkdir users [root@localhost users] # vim cuiboanon_upload_enable=YESanon_mkdir_write_enable=YESwrite_enable=YESanon_world_readable_only=NOanon_other_write_enable=YESanon_umask=022local_root=/var/ftproot/ admin [root @ localhost users] # vim longwrite_enable=YESanon_world_readable_only=NOanon_other_write_enable=YESanon_umask=022local_root=/var/ftproot/admin

Increase permissions and comment out users under ftpusers

[root@localhost users] # mkdir / var/ftproot/admin [root@localhost users] # chown-R along.along / var/ftproot/admin/ [root@localhost users] # cd. [root@localhost vsftpd] # vim ftpusers#root#bin#daemon#adm#lp#sync#shutdown#halt#mail#news#uucp#operator#games#nobody

Turn off the firewall and downgrade sandboxie and restart the service

[root@localhost vsftpd] # systemctl stop firewalld [root@localhost vsftpd] # setenforce 0 [root@localhost vsftpd] # systemctl restart vsftpd

Client authentication and FileZille authentication

[root@localhost vsftpd] # ftp 192.168.1.200Connected to 192.168.1.200 (192.168.1.200) .220 (vsFTPd 3.0.2) Name (192.168.1.200:root): cuibo331 Please specify the password.Password:230 Login successful.Remote system type is UNIX.Using binary mode to transfer files.ftp >

Summary

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