tEA-TiME wrote Sunday, July 27, 2003 6:34 PM > There could be another explanation for the flow of traffic to port 135. Many > programs being released now for using the NET SEND command to advertise, > come with a built in "scanner" to see if the host is active beore wasting > the time sending the whole message. Some of these software makers also > suggest getting a port scanner and just scanning ports 135, 137, 138, 139, > and 445 to see if a host is running and accepting NET messages. Yes many could be messenger spam probes. I've seen a marked increase in TCP 135 scanning over the past week, though. And I'm getting new scan combos (TCP 135 and 445 with no other ports) that strongly suggest RPC probing rather than messenger spam. --------------------------------------------------------------------------- ----------------------------------------------------------------------------
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