Linux system service 6 ---- configuration files of vsftpd service enable anonymous login, upload, download, and delete functions

Etcvsftpdvsftpdconf

/Etc/vsftpd. conf configuration file

# Example config file/etc/vsftpd. conf # The default compiled in settings are fairly paranoid. this sample file # loosens things up a bit, to make the ftp daemon more usable. # Please see vsftpd. conf.5 for all compiled in defaults. # read this: This example file is NOT an exhaustive list of vsftpd options. # Please read the vsftpd. conf.5 manual page to get a full idea of vsftpd's # capabilities. # Allow anonymous FTP? (Beware-allowed by default if you comment this out ). anonymous_enable = YES // you can log on to anon_other_write_enable = YES // you can delete anon_world_readable_only = NO // only cancel anonymous logon. # Uncomment this to allow local users to log in. local_enable = YES # Uncomment this to enable any form of FTP write command. write_enable = YES # Default umask for local users is 077. you may wish to change this to 022, # if your users expect CT that (022 is used by most other ftpd's) local_umask = 022anon_umask = 022 // Default anonymous logon permission # Uncomment this to allow the anonymous FTP user to upload files. this only # has an effect if the above global write enable is activated. also, you will # obviusly need to create a directory writable by the FTP user. anon_upload_enable = YES // anonymous logon can be downloaded # Uncomment this if you want the anonymous FTP user to be able to create # New directories. anon_mkdir_write_enable = YES // you can create a folder for anonymous logon # Activate directory messages-messages given to remote users when they # go into a certain directory. dirmessage_enable = YES # The target log file can be vsftpd_log_file or xferlog_file. # This depends on setting xferlog_std_format parameterxferlog_enable = YES # Make sure PORT transfer connections originate from port 20 (ftp-data ). connect_from _ Port_20 = YES # If you want, you can arrange for uploaded anonymous files to be owned by # a different user. Note! Using "root" for uploaded files is not # recommended! # Chown_uploads = YES # chown_username = whoever # The name of log file when xferlog_enable = YES and xferlog_std_format = YES # WARNING-changing this filename affects/etc/logrotate. d/vsftpd. log # xferlog_file =/var/log/xferlog # Switches between logging into vsftpd_log_file and xferlog_file files. # NO writes to vsftpd_log_file, YES to xferlog_filexferlog_std_format = YES # You may change the default value for t Iming out an idle session. # idle_session_timeout = 600 # You may change the default value for timing out a data connection. # data_connection_timeout = 120 # It is recommended that you define on your system a unique user which the # ftp server can use as a totally isolated and unprivileged user. # nopriv_user = ft1_cure # Enable this and the server will recognize asynchronous ABOR requests. not # recommended For security (the code is non-trivial ). not enabling it, # however, may confuse older FTP clients. # async_abor_enable = YES # By default the server will pretend to allow ASCII mode but in fact ignore # the request. turn on the below options to have the server actually do ASCII # mangling on files when in ASCII mode. # Beware that on some FTP servers, ASCII support allows a denial of service # attack (DoS) Via the command "SIZE/big/file" in ASCII mode. vsftpd # predicted this attack and has always been safe, reporting the size of the # raw file. # ASCII mangling is a horrible feature of the protocol. # ascii_upload_enable = YES # ascii_download_enable = YES # You may fully customise the login banner string: ftpd_banner = Welcome to blah FTP service. # You may specify a file of disallowed anonymous e-mail addres Ses. apparently # useful for combatting certain DoS attacks. # deny_email_enable = YES # (default follows) # banned_email_file =/etc/vsftpd/banned_emails # You may specify an explicit list of local users to chroot () to their home # directory. if chroot_local_user is YES, then this list becomes a list of # users to NOT chroot (). # chroot_local_user = YES # chroot_list_enable = YES # (default follows) # chroot_list_file = /Etc/vsftpd/chroot_list # You may activate the "-R" option to the builtin ls. this is disabled by # default to avoid remote users being able to cause excessive I/O on large # sites. however, some broken FTP clients such as "ncftp" and "mirror" assume # the presence of the "-R" option, so there is a strong case for enabling it. # ls_recurse_enable = YES # When "listen" directive is enabled, vsftpd runs in Standalone mode and # listens on IPv4 sockets. this directive cannot be used in conjunction # with the listen_ipv6 direve VE. listen = YES # This directive enables listening on IPv6 sockets. to listen on IPv4 and IPv6 # sockets, you must run two copies of vsftpd with two configuration files. # Make sure, that one of the listen options is commented !! # Listen_ipv6 = YESpam_service_name = vsftpduserlist_enable = YEStcp_wrappers = YES