Linux in a Nutshell, 6th Edition

Name

ftpd

Synopsis

in.ftpd [options]

TCP/IP command. Internet File Transfer Protocol server. The server uses the TCP protocol and listens at the port specified in the ftp service specification. ftpd is usually started by xinetd and must have an entry in xinetd’s configuration file, /etc/xinetd.conf. It can also be run in standalone mode using the -p option. There are several FTP daemons available. On many Linux distributions, the default is the Kerberos-supporting DARPA version, which we document here.

Options

-a

Require authentication via ftp AUTH. Allow anonymous users as well, if configured to do so.

-A

Require authentication via ftp AUTH, but allow only users who are authorized to connect without a password. Allow anonymous users as well, if configured to do so.

-C

Require local credentials for nonanonymous users. Prompt for a password unless the user forwards credentials during authentication.

-d, -v

Write debugging information to syslogd.

-l

Log each FTP session in syslogd.

-p port

Use port as the FTP control port instead of reading the appropriate port from /etc/services. This option will launch ftpd in standalone mode.

-q

Use PID files to record the process IDs of running daemons. This is the default. These files are needed to determine the current number of users.

-r file

Read Kerberos configuration from file instead of /etc/krb5.conf.

-s file

Read Kerberos V4 authentication information from file instead of /etc/srvtab.

-t n

Set default inactivity timeout period to n seconds. (The default is 15 ...