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vsftpd [2009/06/12 05:38]
k2patel
vsftpd [2020/08/10 02:35] (current)
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 Very secure, but hard to configure for virtual users and chroot.\\ Very secure, but hard to configure for virtual users and chroot.\\
-Here i have crack it down one day for my client.+Usually virtual user help in hosting environment.\\ 
 +But it is good to have diff. account on FTP for each person to specific location.\\ 
 + 
 +Use configuration below and use the commands specified to create new user / manage users. 
  
 <code bash | /​etc/​vsftpd/​vsftpd.conf>​ <code bash | /​etc/​vsftpd/​vsftpd.conf>​
 +# Disable Anonymous login
 +
 anonymous_enable=NO anonymous_enable=NO
 +
 +# Controls whether local logins are permitted or not. If enabled, normal user accounts in /​etc/​passwd ​
 +# (or wherever your PAM config references) may be used to log in. 
 +# This must be enable for any non-anonymous login to work, including virtual users.
 +
 local_enable=YES local_enable=YES
 +
 +# This controls whether any FTP commands which change the filesystem are allowed or not. (we override later)
 +
 write_enable=NO write_enable=NO
 +
 +# by default, virtual users are treated with anonymous (i.e. maximally restricted) privilege. (we override later)
 +
 anon_upload_enable=NO anon_upload_enable=NO
 +
 +# When enabled, anonymous users will only be allowed to download files which are world readable
 +
 +anon_world_readable_only=NO
 +
 +# If set to YES, anonymous users will be permitted to create new directories (we override later)
 +
 anon_mkdir_write_enable=NO anon_mkdir_write_enable=NO
 +
 +# operation other than upload, creation consider as other_write e.g.. overwrite ( we override later)
 anon_other_write_enable=NO anon_other_write_enable=NO
 +
 +# define custom pam service for our purpose.
 +
 pam_service_name=ftp pam_service_name=ftp
 +
 +# chroot users !! yeah we need this
 +
 chroot_local_user=YES chroot_local_user=YES
-guest_enable=NO+ 
 +# Guest enable will separate login from passwd - so you do not need system account to exists. 
 +# need this for standalone authentication. 
 + 
 +guest_enable=YES 
 + 
 +# where you want to guest user to - generally apache user OR directory owner 
 guest_username=www guest_username=www
 +
 +# This needed as listen has to be enable for ftp to work
 +
 listen=YES listen=YES
 +
 +# Passive port range specification
 +
 pasv_min_port=30000 pasv_min_port=30000
 pasv_max_port=30999 pasv_max_port=30999
 +
 +# Location where we override all above options where we need overriding.
 +
 user_config_dir=/​etc/​vsftpd/​vsftpd_user_conf user_config_dir=/​etc/​vsftpd/​vsftpd_user_conf
 +
 +# Need this to disable some users from system
 +
 userlist_enable=YES userlist_enable=YES
 +
 +# List of the users which is disabled
 +
 userlist_file=/​etc/​vsftpd/​denied_users userlist_file=/​etc/​vsftpd/​denied_users
 +
 +# Maximum ftp client at any given moment of time
 +
 max_clients=100 max_clients=100
 +
 +# How many connection from single ip
 +
 max_per_ip=10 max_per_ip=10
 +</​code>​
 +
 +Additional Log options, you would like to add to above config i have added
 +
 +<code bash>
 +xferlog_enable=YES
 +xferlog_std_format=YES
 +dual_log_enable=YES
 +log_ftp_protocol=YES
 </​code>​ </​code>​
  
   * create directory "/​etc/​vsftpd/​vsftpd_user_conf"​   * create directory "/​etc/​vsftpd/​vsftpd_user_conf"​
   * create file "/​etc/​vsftpd/​vsftpd_user_conf/​www" ​   * create file "/​etc/​vsftpd/​vsftpd_user_conf/​www" ​
 +
 +NOTE : now we are overriding all disabled options for each user. (if not you will be denied for anything LOL)
  
 <code bash | /​etc/​vsftpd/​vsftpd_user_conf/​www>​ <code bash | /​etc/​vsftpd/​vsftpd_user_conf/​www>​
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 dirlist_enable=YES dirlist_enable=YES
 download_enable=YES download_enable=YES
 +anon_upload_enable=YES
 +anon_other_write_enable=YES
 +anon_mkdir_write_enable=YES
 local_root=/​var/​www/​html local_root=/​var/​www/​html
 </​code>​ </​code>​
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 download_enable=YES download_enable=YES
 write_enable=YES write_enable=YES
 +anon_upload_enable=YES
 +anon_other_write_enable=YES
 +anon_mkdir_write_enable=YES
 </​code>​ </​code>​
  
-drawback ​You still need system ​user to login, i am finding ​fix for it.+  * If you see permission 600 and you have issue with that permission and not able to chmod. try following additional lines. 
 + 
 +<code bash | /​etc/​vsftpd/​vsftpd_user_conf/​username2>​ 
 +chmod_enable=YES 
 +virtual_use_local_privs=YES 
 +</​code>​ 
 + 
 +NOTE : any change to user setting does not require restart ​but new ftp connection needed. 
 + 
 +Some use full link : \\ 
 +[[ http://​kbase.redhat.com/​faq/​docs/​DOC-6202 | user permission ​fix ]]
  
 DONE DONE
vsftpd.1244785123.txt.gz · Last modified: 2020/08/10 02:29 (external edit)