Detailed descriptions of Parameter options in vsftpd. conf

Article Title: describes how to configure Parameter options in vsftpd. conf. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.

Common Parameters in the vsftp. conf configuration file

Listen_address = ip address

Listener IP

Listen_port = port_value

Specifies the listening port. The default value is 21.

Anonymous_enable = YES

Allow anonymous account?

Local_enable = YES

Allow local user login?

Nopriv_user = ftp

Specifies the Running Account of the vsftpd service. If this parameter is not specified, ftp is used.

Write_enable = YES

Allow write?

Anon_upload_enable = YES

Whether anonymous users can upload files

Anon_mkdir_write_enable = YES

Whether an anonymous user creates a directory

Dirmessage_enable = YES

The welcome information is displayed in each directory, and The. message file is created in each directory to write the welcome information.

Xferlog_enable = YES

Logs recorded during file upload/download

Connect_from_port_20 = YES

Whether to use port 20 for data transmission (whether to use active mode)

Chown_uploads = YES, chown_username = whoever

Modify the owner of an uploaded file by an anonymous user

Xferlog_file =/var/log/vsftpd. log

Log Files

Xferlog_std_format = YES

Use standard file logs

Idle_session_timeout = 600

The session times out. The client connects to ftp but has not performed any operations.

Data _ connection_timeout = 120

Data transmission timeout

Async_abor_enable = YES

Whether to allow the client to use commands such as sync

Ascii_upload_enable = YES

Ascii_download_enable = YES

Whether to allow upload/download of binary files

Chroot_local_user = YES

Restrict all local users to their own directories

Chroot_list_enable = YES

Chroot_list_file =/etc/vsftpd/chroot_list

Users who cannot leave the home directory should write a line of user names in the/etc/vsftpd/chroot_list file. When using this method, must be chroot_local_user = NO

Ls_recurse_enable = YES

Whether to use commands such as ls-R

Listen = YES

Enable ipv4 listening

Listen_ipv6 = YES

Enable ipv6 listening

Pam_service_name = vsftpd

Use the pam module. The vsftpd file is under the/etc/pam. d directory.

Userlist_enable = YES

After this option is activated, vsftpd reads the user list in the file specified by the userlist_file parameter. When a user in the list logs on to the FTP server, the user is denied before prompted to enter the password. That is, after the user name is entered, vsftpd finds that the user name is in the list, vsftpd directly disallows the user and does not perform subsequent steps such as asking for the password.

Userlist_deny = YES

Decide whether to prohibit or only allow users in the file specified by userlist_file to log on to the FTP server. This option takes effect only after the userlist_enable option is enabled. YES, the default value is to prohibit users in the file from logging on, and do not prompt these users to enter their passwords. NO. Only users in the file can log on to the FTP server.

Tcp_wrappers = YES

Whether tcp_wrappers management is allowed

Local_root =/home/ftp

Root directory of all users, which is invalid for anonymous users

Anon_max_rate

The maximum transmission speed of anonymous users, measured in Byts/s.

Local_max_rate

Maximum transmission speed of local users, measured in Byts/s

Download_enable = YES

Allow download?