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Re: Why is ADP port scanning ?
- To: Aquatic-Plants at actwin_com
- Subject: Re: Why is ADP port scanning ?
- From: Chuck Gadd <cgadd at cfxc_com>
- Date: Mon, 21 Oct 2002 21:35:28 -0600
- References: <200210220131.g9M1V6wP018048 at mailhub_actwin.com>
- User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.1) Gecko/20020826
> What this all means is that the actwin.com mailserver tried to send an
> email message to your server via SMTP, which is the Simple Mail Transfer
> Protocol (the standard used on the Internet). You and/or petswarehouse
> apparently has this machine firewalled so that it denies incoming SMTP
It might have been caused by a mis-configured MX record for Petswarehouse,
and Actwin's mail server simply tried to send an email to the petswarehouse
(presumably because someone there is subscribed).
> A port scan will normally go through many ports in order and in very rapid
> succession. As a systems administrator for an ISP I have a lot of
> experience being on the receiving end of such things.
Yup. I also am frequently on the receiving end of a clueless
admin who thinks someone attempting to connect to a single public
commonly used port is "port scanning" and acts like they were