How do I create the in.* files for tcpd?

["xanh" <mat_xanh yahoo com>]

What exactly is an in.* file?  Why in.ftpd is not the same file as ftpd?

After building the wu-ftpd files from  wu-ftpd-2.6.1.tar.gz, I edited the
inetd.conf file
and have the ftp line point to the new executable
###
    ftp     stream  tcp     nowait  root    /usr/sbin/tcpd
 /usr/bin/ftpd -l -a
###
Tried to ftp to my box and get:
    Connected to mybox.mydomain.com.
    Connection closed by remote host.

I copied ftpd to /usr/sbin, renamed the file to in.ftpd, tried again and get
    Connected to mybox.mydomain.com..
    500 mybox.mydomain.com FTP server shut down -- please try again later.
    User (mybox.mydomain.com:(none)):
    Connection closed by remote host.

Everything used to work fine when I install the service from a RPM package.
What have I done wrong?

Thanks




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