Re: Help -- telnet port 25 connects but doesn't transfer data

Rick:

So, would it be doing a DNS check even when attempting a connection to
itself?

     # telnet localhost 25   <------


Thanks,
RV

/////////////////////////////////////
Ronald Vincent Vazquez
Vice President of Technology Group
Senior Unix Systems Administrator
Senior Network Manager
Christ Tabernacle Church Ministries
http://www.ctcministries.org
(301) 540-9394 Home
(240) 401-9192 Cell

>
> Looks like a DNS timeout to me.  How long did you wait before typing
> anything?
>
> Rick
>
> On Wed, 2006-03-08 at 11:39 -0500, Ronald Vincent Vazquez wrote:
>> Hello list:
>>
>> I have an installation of qmail-scanner/spamassassin/clamav/mysql on
>> Gentoo.  Testing the system with the provided script
>> "qmail-scanner-queue.pl" works fine.  The trouble is that as I attempt
>> to
>> "telnet localhost 25", I get a connection but the happiness stops here.
>> Here is a bit of info:
>>
>> telnet localhost 25
>> Trying 127.0.0.1...
>> Connected to localhost.
>> Escape character is '^]'.
>> helo rvazquez
>> helo hey
>> Is this thing working?
>> Come on, work already...
>> Terminated
>>
>> I used 'strace -p $TELNETPID' and here is the output:
>>
>> strace -p 10495
>> Process 10495 attached - interrupt to quit
>> select(4, [0 3], [], [3], NULL)         = 1 (in [0])
>> read(0, "helo rvazquez\n", 8191)        = 14
>> select(4, [0 3], [3], [3], {0, 0})      = 1 (out [3], left {0, 0})
>> send(3, "helo rvazquez\r\n", 15, 0)     = 15
>> select(4, [0 3], [], [3], {0, 0})       = 0 (Timeout)
>> select(4, [0 3], [], [3], NULL)         = 1 (in [0])
>> read(0, "helo hey\n", 8178)             = 9
>> select(4, [0 3], [3], [3], {0, 0})      = 1 (out [3], left {0, 0})
>> send(3, "helo hey\r\n", 10, 0)          = 10
>> select(4, [0 3], [], [3], {0, 0})       = 0 (Timeout)
>> select(4, [0 3], [], [3], NULL)         = 1 (in [0])
>> read(0, "Is this thing working?\n", 8169) = 23
>> select(4, [0 3], [3], [3], {0, 0})      = 1 (out [3], left {0, 0})
>> send(3, "Is this thing working?\r\n", 24, 0) = 24
>> select(4, [0 3], [], [3], {0, 0})       = 0 (Timeout)
>> select(4, [0 3], [], [3], NULL)         = 1 (in [0])
>> read(0, "Come on, work already...\n", 8146) = 25
>> select(4, [0 3], [3], [3], {0, 0})      = 1 (out [3], left {0, 0})
>> send(3, "Come on, work already...\r\n", 26, 0) = 26
>> select(4, [0 3], [], [3], {0, 0})       = 0 (Timeout)
>> select(4, [0 3], [], [3], NULL <unfinished ...>
>> Process 10495 detached
>>
>> Is it that qmail-scanner-queue.pl never connects to 'qmail-queue'?  Any
>> help would be greatly appreciated.
>>
>> /////////////////////////////////////
>> Ronald Vincent Vazquez
>> Vice President of Technology Group
>> Senior Unix Systems Administrator
>> Senior Network Manager
>> Christ Tabernacle Church Ministries
>> http://www.ctcministries.org
>> (301) 540-9394 Home
>> (240) 401-9192 Cell
>>
>>
>>
>>
>>
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> --
> --
> Rick Romero
> IT Manager
> Valeo, Inc.     ph: 262.695.4841
> Sussex, WI.     fax: 262.695.4850
> [email protected]
>




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