1. Install VSFTPD Service and DB
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<!--[if!supportlists]-->2, <!--[endif]--> Add three virtual users devadmin sales Saleadm
3, using the Db_load tool to convert list files to DB database files
<!--[if!supportlists]-->4, <!--[endif]--> set up FTP access directory and virtual user corresponding system user
5, establish the root directory, any user can access, and can download/var/ftp/soft
Set up directories and files for user sales and Saleadm access
<!--[if!supportlists]-->6, <!--[endif]--> set Pam files for virtual users
7, modify vsftpd.conf main configuration file, enable virtual user support
<!--[if!supportlists]-->8, <!--[endif]--> Create separate profiles for different users
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Anonymous user
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Devadmin Configuration
Configure a separate profile for user sales
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Configuring a separate profile for user Saleadm
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<!--[if!supportlists]-->9, <!--[endif]--> restart VFSTPD Service
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<!--[if!supportlists]-->10, <!--[endif]--> validation Results
Anonymous user logon
Sales login, can only download/copy can not do other operations
Saleadm landing Right, Var/market have administrative authority
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Devadm Landing Management/var/ftp/soft
Summarize
Successful Test!!!!!!!!!!
Problems:
1, off the firewall
2, open and close Sclinux setenforce 0 or add firewall rules
3, there will be file permissions issues and even file permissions
4, appears: Does not allow a user to use more than one user name and server or shared resources of multiple connections
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