HTTP(Web), SMTP, POP3 서버의 상태 확인하기

1. HTTP(Web) 서버 상태 확인

telnet www.inet.co.kr 80

sol:/hosting/john% telnet www.inet.co.kr 80
Trying 203.235.122.165...
Connected to www.inet.co.kr. 

웹 서비스 80 포트가 정상적으로 동작하고 있음.

Escape character is '^]'.
GET / HTTP / 1.0 

실제 웹 페이지의 내용이 출력되는 지 확인할 수 있음.

2. SMTP 서버 상태 확인

telnet mail.nuri.net 25

sol:/hosting/john% telnet mail.nuri.net 25
Trying 210.116.105.100...
Connected to mail.nuri.net. ; smtp 서비스 25 포트가 정상적으로 동작하고 있음.
Escape character is '^]'. ; sendmail 의 버전을 확인할 수 있다.
220 mx4.nuri.net ESMTP Inet Hosting, Inc. Mail eXchanger (info@inet.co.kr) 8.12.6/8.12.6;Wed, 16 Oct 2002 16:54:26 +0900 (KST)
helo analysisman.com ; 자신을 확인시킴.
250 analysisman.com Hello analysisman.com [127.0.0.1], pleased to meet you
mail from: ; 송신자 주소를 기술함.
250 2.1.0 ... Sender ok
rcpt to: ; 수신자 주소를 기술함.
250 2.1.5 ... Recipient ok
data ; 메일 내용 작성을 시작함.
354 Enter mail, end with "." on a line by itself
Test...이것은 테스트입니다. ; 실제 메일 내용 작성함.
. ; 메일 작성을 마침.
250 2.0.0 g9G803719668 Message accepted for delivery
quit ; 메일 작성을 끝내고 빠져나감.
221 2.0.0 analysisman.com closing connection
Connection closed by foreign host.

3. POP 서버 상태 확인

sol:/hosting/john% telnet mail.nuri.net 110
Trying 210.116.105.100...
Connected to mail.nuri.net.
Escape character is '^]'.
+OK Qpopper (version 4.0.2) at idial-pop2 starting.  ; POP3 서비스 110 포트가 정상적으로 동작하고 있음.
user john ; 사용자 ID 입력
+OK Password required for john.
pass xxxx ; 사용자 Password 입력
+OK john has 344 visible messages (0 hidden) in 23897242 octets.
retr 1 ; 첫번째 메일 확인
+OK 3333 octets
Return-Path:
Received: from mx2.nuri.net (en011102 [10.107.11.102])
by nuri.net (8.11.6+Sun/8.9.3) with ESMTP id g9CGmqB19138;
Sun, 13 Oct 2002 01:48:57 +0900 (KST)
Received: from verizon.net ([64.200.159.6])
by mx2.nuri.net (8.12.6/8.12.6) with SMTP id g9CGmsgV001800;
Sun, 13 Oct 2002 01:49:02 +0900 (KST)
Received: from 176.206.15.116 ([176.206.15.116]) by da001d2020.loxi.pianstvu.net with QMQP; 12 Oct 2002 10:47:03 +0900
Received: from 116.117.121.231 ([116.117.121.231]) by smtp-server.tampabayr.com with local; 12 Oct 2002 19:46:07 -1000

Received: from unknown (HELO smtp-server.tampabayr.com) (155.222.8.102)
by rly-xl04.mx.aolmd.com with smtp; Sat, 12 Oct 2002 09:45:11 +0600
Received: from unknown (HELO m10.grp.snv.yahui.com) (78.42.189.210)
by a231242.upc-a.zhello.nl with smtp; Sat, 12 Oct 2002 15:44:15 +0300
Reply-To:
Message-ID: <014a08e44c0a$3672c4e6$7ca28bc4@uhqdua>
From:
To: Members@mx2.nuri.net
Subject: Married women looking for you!
Date: Sun, 13 Oct 2002 01:27:24 -0700
MiME-Version: 1.0
Content-Type: text/html; charset="iso-8859-1"
X-Priority: 3 (Normal)
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 5.00.2615.200
Importance: Normal
X-UIDL: N$0!!R_h"!Q^8!!F3(#!
Status: RO
...메일내용...
.
dele 1 ; 첫번째 메일 삭제
+OK Message 1 has been deleted.
quit ; 빠져나감
+OK Pop server at idial-pop2 signing off.
Connection closed by foreign host.