I've received a few of these in my traffic log on the server (DC) windows 2003 sbs machine.
2/15/2010 1:29:54 PM Blocked 10 Incoming UDP 10.0.1.79 00-22-15-F1-BC-51 3544 10.0.1.100 00-1D-09-28-68-F4 88 C:\WINDOWS\system32\lsass.exe Administrator ARC Default 2 2/15/2010 1:29:43 PM 2/15/2010 1:29:43 PM Block IPv6 over IPv4 (Teredo)
How dangerous is this and what is it exactly?
10.0.1.79 is an ip of one of tghe workstations on our network