[root@tianjun-bcst-linjun root]# telnet
telnet> open 127.0.0.1
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
Red Hat Linux release 8.0 (Psyche)
Kernel 2.4.18-14 on an i686
login: tianjun
Password: Connection closed by foreign host.