I found by blocking port 135 stops the Messenger Pop-ups.
----- Original Message -----
From: "Dan Horne" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, October 14, 2002 1:38 PM
Subject: RE: Re: [Declude.JunkMail] Spam Mail Statistics
> I got this from one of the Lockergnome newsletters that came out
> recently.
>
> Dan
>
> -----------------------------------------------------------------------
> Pop-up Spammers
>
> I've often wondered how long it would take for the abuse of Microsoft's
> Messenger services to begin. This is a network service that listens for
> messages, which are displayed on screen when received. You can use this
> service to send text messages to other users on the network ("net send"
> command from a DOS prompt), provided they have the services running. As
> you might expect, this is enabled by default in Windows NT/2K/XP, and
> for little reason. I know of very few people that actually use it,
> particularly home users. Those of you that are on broadband connections
> and are not running a firewall may have seen a strange little window pop
> up at you hawking diplomas, inviting you to visit an explicit website or
> whatever else our favorite bunch of Internet low-life can dredge up.
>
> I have always been very supportive of a minimalist configuration. Turn
> it off by default, then let the user decide if they want it turned on.
> As things are, we have all sorts of virtually useless capability built
> into Windows and other Microsoft software, and fully enabled by default.
> Maybe there's a case to be made for the functionality, but there is not
> a case to be made for subjecting the masses to such abuse when the
> feature won't be used by the vast majority of users and it's quite easy
> to scan the open ports on a workstation to see if the service is
> available for abuse. With Windows 2000 and XP seeing much wider
> adoption, and port 139 open by default, it was only a matter of time
> before it was taken advantage of to pester unsuspecting users.
>
> You can disable the Messenger in Windows 2000/XP by right- clicking My
> Computer, selecting Manage from the context menu. Expand Services and
> Applications and click Services, which will populate the right window
> pane with the long list of services installed. scroll down to Messenger
> and double-click the item. In the Startup Type dropdown box, select
> Disabled, then click the Stop button in the Service Status section of
> the window. From now on, your PC will not be subjected to these pop-up
> messages.
>
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