Re: Question on Blocking an ISP.

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From: "Byrne Ghavalas" <security@nscs.uk.com>
To: <security-basics@securityfocus.com>
Date: Tue, 3 Dec 2002 17:12:32 -0000

Hi,

Out of curiosity - does your mail server not allow you to reject all mail
from *@aol.com?

Would that not be a little easier than blocking all of their IP addressing
blocks?

Then again, there are some other benefits to blocking them at an IP level
<g>

Byrne G

----- Original Message -----
From: "Chris" <chris@jynx.net>
To: <security-basics@securityfocus.com>
Sent: Saturday, November 30, 2002 9:21 AM
Subject: Question on Blocking an ISP.

> As of the last couple weeks, from 1 aol users i have gotten over 1000+
virus
> emails.
> These emails are your tipical freescreensaver virus that has been going
> around for years now. It seems this person has an affected system. This
is
> not really my question or concern.
>
> I have been scanning though all the headers getting the proxy email
servers
> aol uses, but it seems like a endless list. LOL.
>
> I'm blocking these ips though IPchains, but i really would like to know
how
> to get every class owned by aol so i can block them all.
>
> Receiving mail from aol is no big thing to me, considering 99.9% of the
time
> is junk or spam.
>
> Is there some way to whois arin on a nic handle to get all the classes?
>
> Thank you.
> -chris
>
>

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