To prevent block FTP access by anonymous users Solaris 10

To prevent access by anonymous users, add the entry

"defaultserver private" to /etc/ftpd/ftpaccess:

Adding guestserver to the ftpaccess file:

# echo "guestserver" >> /etc/ftpd/ftpaccess

# cat /etc/ftpd/ftpaccess
# ident "@(#)ftpaccess  1.2     03/05/14 SMI"
#
# FTP server configuration file, see ftpaccess(4).
#

class   anonusers       anonymous       *
class   guestusers      guest   *
class   realusers       real    *

loginfails      3
passwd-check    trivial         warn
private         no
shutdown        /etc/ftpd/shutdown.msg
# email         user@hostname
# guestuser     username
# rhostlookup   no

#To prevent access by anonymous users#
defaultserver private
.
.
.
.
guestserver
.
.

Next restart the FTP service :

Veryfy the status now -> blocked FTP access for anonymous user :

C:\Users\U Computers>ftp 172.16.0.1
Connected to 172.16.0.1.
220-_________________________________
220-
220-    welcome to SLT HQ server!
220-     Authorised access only!
220-
220-**********************************
220-
220-
220 NTU-HQ-EMS FTP server ready.
User (172.16.0.1:(none)): anonymous
530 Guest login not allowed on this machine.
Connection closed by remote host.

How to ensure that anonymous FTP has been disabled on a Solaris 10 system