That is indeed a Windows (mis)feature, and it is a growing alternate channel for spam. You do indeed block it with a firewall. See this thread on Firewall Wizards for details http://lists.insecure.org/firewall-wizards/2002/Oct/0315.html Crispin Todd Ellner wrote: > A couple things have shown up at work that someone on this list (or a > whole bunch of someones) are probably experts on. Any advice you could > give would be really appreciated. > > 1) A couple of the Windows machines have been getting annoying popup > spams. As near as we can tell it's not a Trojan program installed on > the boxes. Not a mail message. Not an Instant Messenger thing. Not a > web browser. Looks more like a regular dialog box. The Microsoft > knowledge base was kind of cryptic. > > Has anyone else experienced a rash of these? > > 2) The first real version of the company's product has to be a little > more flexible in terms of "classes of things the administrator can > allow users to do". Are there some good books or net resources on > formally defining security policies? > > 3) Checkpoint? SonicWall? Something else that provides good value for > the money for a small enterprise? Or should I just fall back on Old > Reliable ("Building Internet Firewalls 2nd Edition")? > > Todd > > > -- Crispin Cowan, Ph.D. Chief Scientist, WireX http://wirex.com/~crispin/ Security Hardened Linux Distribution: http://immunix.org Available for purchase: http://wirex.com/Products/Immunix/purchase.html Just say ".Nyet"
This archive was generated by hypermail 2b30 : Wed Nov 13 2002 - 14:08:12 PST