Re: Messenger Service Spam
From: Steven L Umbach (sumbach@ameritech.net)
Date: 04/10/03
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From: "Steven L Umbach" <sumbach@ameritech.net> Date: Thu, 10 Apr 2003 20:40:23 GMT
You might try blocking tcp also - 135,137,138,139, and 445. See faq
link for some excellent info. -- Steve
http://securityadmin.info/faq.htm#pop-ups
"Andrew" <andrewb@nospam.avidityhcs.com> wrote in message
news:006d01c2ff8a$4a811b20$a501280a@phx.gbl...
> I was under the impression that to block spammers from
> sending messages using the messenger service, all I needed
> to do was block the appropriate NetBIOS UDP ports on the
> router, as well as port 445. After doing that, our
> network is still receiving pop-up messages via the
> messenger service. Do spammers have other ways of getting
> around this? Thanks.
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