Проверка состояния средствами telnet

Roman Pridybailo

22.05.2013

В данной статье будем рассматривать как проверить состоияние сервисов на хосте

Состояние POP3

#telnet pop3.telnet.test pop3
telnet: Connected to pop3.telnet.test.
telnet: Escape character is '^]'.
server: +OK Dovecot ready.
client: USER MyUsername
server: +OK
client: PASS MyPassword
server: +OK Logged in.
client: LIST
server: +OK 3 messages:
server: 1 114005
server: 2 6663
server: 3 1392651
server: .
client: RETR 1
server: +OK 2287 octets
server:Return-Path: &lt;test3@pop3.telnet.test
server:X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pop3.telnet.test
server:X-Spam-Level: *
server:.
client: DELE 1</strong></em>
<em> server: +OK Marked to be deleted.</em>
<em> <strong>client: quit</strong></em>
<em> server: +OK Logging out, messages deleted.</em>
<em> server: Connection closed by foreign host.</em>

#telnet pop3.telnet.test pop3

telnet: Connected to pop3.telnet.test.

telnet: Escape character is '^]'.

server: +OK Dovecot ready.

client: USER MyUsername

server: +OK

client: PASS MyPassword

server: +OK Logged in.

client: LIST

server: +OK 3 messages:

server: 1 114005

server: 2 6663

server: 3 1392651

server: .

client: RETR 1

server: +OK 2287 octets

server:Return-Path: <test3@pop3.telnet.test

server:X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pop3.telnet.test

server:X-Spam-Level: *

server:.

client: DELE 1

server: +OK Marked to be deleted.

client: quit

server: +OK Logging out, messages deleted.

server: Connection closed by foreign host.

Состояние IMAP

<strong># telnet imap.telnet.test imap</strong>

<em id="__mceDel"> telnet: Connected to imap.telnet.test.
telnet: Escape character is '^]'.
server: Connected to localhost.
Escape character is '^]'.
server:* OK Dovecot ready..
<strong>client: a1 LOGIN MyUsername MyPassword</strong>
server: a1 OK Logged in
<strong>client: a2 LIST "" "*"</strong>
server: * LIST (\HasNoChildren) "." "Junk"
server: * LIST (\HasNoChildren) "." "Trash"
server:* LIST (\HasNoChildren) "." "Sent"
server:* LIST (\HasNoChildren) "." "Drafts"
server:* LIST (\HasNoChildren) "." "INBOX"
server:a2 OK List completed.
<strong>client: a3 SELECT INBOX</strong>
server:* OK [CLOSED] Previous mailbox closed.
server:* FLAGS (\Answered \Flagged \Deleted \Seen \Draft $MDNSent)
server:* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft $MDNSent \*)] Flags permitted.
server:* 18 EXISTS
server:* 0 RECENT
server:* OK [UIDVALIDITY 1358519219] UIDs valid
server:* OK [UIDNEXT 423] Predicted next UID
server:* OK [HIGHESTMODSEQ 960] Highest
server:a4 OK [READ-WRITE] Select completed.
<strong>client: a5 FETCH 1 BODY[]</strong>
server: * 1 FETCH (BODY[] {405}
server: Return-Path: sender@imap.telnet.test
server: Received: from imap.telnet.test
server: by mx1.imap.telnet.test with ESMTP
server: From: sender@imap.telnet.test
server: Subject: Test message
server: To: recipient@imap.telnet.test
server: Message-Id: &lt;20040120203404.CCCC18555.mx1.imap.telnet.test@ient.imap.telnet.test&gt;
server:
server: This is a test message.
server: )
server: a5 OK Fetch completed.
<strong>client: a6 LOGOUT</strong>
server: * BYE Logging out
server: a6 OK Logout completed.</em>

# telnet imap.telnet.test imap

telnet: Connected to imap.telnet.test.

telnet: Escape character is '^]'.

server: Connected to localhost.

Escape character is '^]'.

server:* OK Dovecot ready..

client: a1 LOGIN MyUsername MyPassword

server: a1 OK Logged in

client: a2 LIST "" "*"

server: * LIST (\HasNoChildren) "." "Junk"

server: * LIST (\HasNoChildren) "." "Trash"

server:* LIST (\HasNoChildren) "." "Sent"

server:* LIST (\HasNoChildren) "." "Drafts"

server:* LIST (\HasNoChildren) "." "INBOX"

server:a2 OK List completed.

client: a3 SELECT INBOX

server:* OK [CLOSED] Previous mailbox closed.

server:* FLAGS (\Answered \Flagged \Deleted \Seen \Draft $MDNSent)

server:* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft $MDNSent \*)] Flags permitted.

server:* 18 EXISTS

server:* 0 RECENT

server:* OK [UIDVALIDITY 1358519219] UIDs valid

server:* OK [UIDNEXT 423] Predicted next UID

server:* OK [HIGHESTMODSEQ 960] Highest

server:a4 OK [READ-WRITE] Select completed.

client: a5 FETCH 1 BODY[]

server: * 1 FETCH (BODY[] {405}

server: Return-Path: sender@imap.telnet.test

server: Received: from imap.telnet.test

server: by mx1.imap.telnet.test with ESMTP

server: From: sender@imap.telnet.test

server: Subject: Test message

server: To: recipient@imap.telnet.test

server: Message-Id: <20040120203404.CCCC18555.mx1.imap.telnet.test@ient.imap.telnet.test>

server:

server: This is a test message.

server: )

server: a5 OK Fetch completed.

client: a6 LOGOUT

server: * BYE Logging out

server: a6 OK Logout completed.

Состояние SMTP

# telnet smtp.telnet.test 25
Connected to smtp.telnet.test.
Escape character is '^]'.
server:220 smtp.telnet.test ESMTP Postfix
<strong>client:HELO smtp.telnet.test</strong>
server:250 smtp.telnet.test
<strong>client:MAIL FROM: roman@smtp.telnet.test</strong>
server:250 2.1.0 Ok
<strong>client:RCPT TO: drake@smtp.telnet.test</strong>
server:250 2.1.5 Ok
<strong>client:DATA</strong>
server:server:354 End data with .
<strong>client:Subject: Test
client:
client:hello
client:.</strong>
server:250 2.0.0 Ok: queued as B822840153
<strong>client:QUIT</strong>
server:221 closing connection

# telnet smtp.telnet.test 25

Connected to smtp.telnet.test.

Escape character is '^]'.

server:220 smtp.telnet.test ESMTP Postfix

client:HELO smtp.telnet.test

server:250 smtp.telnet.test

client:MAIL FROM: roman@smtp.telnet.test

server:250 2.1.0 Ok

client:RCPT TO: drake@smtp.telnet.test

server:250 2.1.5 Ok

client:DATA

server:server:354 End data with .

client:Subject: Test

client:

client:hello

client:.

server:250 2.0.0 Ok: queued as B822840153

client:QUIT

server:221 closing connection

Linux how to's

Проверка состояния средствами telnet

Roman Pridybailo

Состояние POP3

Состояние IMAP

Состояние SMTP

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Roman Pridybailo

Состояние POP3

Состояние IMAP

Состояние SMTP

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