telnet 접속이 왜 안되죠?
pop3접속및 ftp 접속은 되는데 텔넷만 안되거든요.
 # telnet localhost 110
Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.
+OK POP3 localhost.localdomain v7.64 server ready
 # telnet localhost
Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.
Connection closed by foreign host.
  inetd.conf 내용
telnet  stream  tcp     nowait  root    /usr/sbin/tcpd  in.telnetd
pop-3   stream  tcp     nowait  root    /usr/sbin/tcpd  ipop3d
 services 내용
telnet          23/tcp
 아시는분 계시면 가르쳐 주세요..제발
혹시 네임서버 설정과도 관련이 되나요?