Mail log syntax question
Antony Stone
Antony at SOFT-SOLUTIONS.CO.UK
Thu Sep 4 22:04:56 IST 2003
On Thursday 04 September 2003 9:31 pm, Steve Douglas wrote:
> I have the following:
>
> Pentium4 1.8mhz
!? :)
> In reviewing the mail logs I noticed syntax as noted "did not issue
> MAIL/EXPN/VRFY/ETRN during connection to MTA." What does this mean?
Probably means somebody port scanned TCP 25 on your mail server.
This message means a TCP connection was opened but no command was received
from the client.
Antony.
--
Normal people think "if it ain't broke, don't fix it".
Engineers think "if it ain't broke, it doesn't have enough features yet".
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