Strange portscan traffic with dest of 169.254.x.x

[Aaron Giuoco <agiuoco () yahoo com>]

For the past couple of days, I have been seeing some very strange portscan traffic coming from internal addresses and 
going to the internet.  The Snort box I have been getting these alerts on is sitting just behind our Internet firewall. 
 I have attached a screenshot of the alert.

It's odd for a couple reasons.  First, why is 169.254 traffic even getting routed to our external firewall.  This is 
probably something I need to discuss with our network admin.  That just seems weird to me.  Second, if I am reading the 
alert correctly, it looks like the computer is scanning itself for NetBIOS and SMB ports.  I was just wondering if 
anyone else has seen anything like this.

AG



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