unecrypted connection refused. Goodbye !

When I telnet my server I get "Unencrypted connection refused. Goodbye". 

solution :

[root@localhost init.d]# /sbin/chkconfig --list |grep telnet
ekrb5-telnet: on //This should be off
krb5-telnet: off
telnet: on
[root@localhost init.d]# /sbin/chkconfig ekrb5-telnet off
[root@localhost init.d]# /sbin/chkconfig --list |grep telnet
ekrb5-telnet: off
krb5-telnet: off
telnet: on
[root@localhost init.d]# telnet 0.0
Trying 0.0.0.0...
Connected to 0.0 (0.0.0.0).
Escape character is '^]'.
Red Hat Enterprise Linux Server release 5.5 Beta (Tikanga)
Kernel 2.6.18-189.el5 on an i686
login: root
Password:
Last login: Fri Jxxxxxxxxxxxxxxxxxxxx
[root@localhost ~]#


Aslo ,
telnet-server package need to be installed .