Spoofing

[Niclas Englund]

I got this from my mail from my firewall "Message: IP Spoofing Source: 
192.168.0.101, 2240 Destination:X.X.XX, 6882 (from WAN Inbound)" there my XXXX 
is my ip. How could this be possible??? non of my computer has this ip-adress.
/Niclas