"Just when you thought e-mail spam was bad enough, along comes Direct Advertiser software, which can send pop-up messages directly to users' desktops. These pop-up messages appear even if the user is not in e-mail or an Internet browser. The software utilizes Microsoft's Messenger Windows service, which is turned on by default (on WinNT, 2000, and XP systems) and used by administrators to send messages to users on the network. This is different from the MSN Messenger instant message software."
"The Messenger service normally uses ports 137 and 139, which are usually protected; but the DirectAdvertiser software seemingly allows pop-up ads to use port 135, which is normally left open on firewalls for the Microsoft RPC service."
http://www.geek.com/news/geeknews/2002Oct/gee20021017016848.htmI haven't gotten any porn messages, I get a lot of these "messenger" ads/notices that look like official messages or emails. Can I turn this off?