Norton Firewall 4 Suspicious Activity

Hi!

 

Norton Firewall (from NIS 4 for Mac) reports Suspicious activity from my Airport Extreme  everytime I started my mac. Eg :

- Incomming connection attempt BLOCKED from 10.0.0.1 Port: 0 (Ping remply) Kind: Suspicious Activity

- Incomming connection attempt BLOCKED from 10.0.0.1 Port: 61320 (Unknown service) Kind: Suspicious Activity

- Incomming connection attempt BLOCKED from 10.0.0.1 Port: 55561 (Unknown service) Kind: Suspicious Activity 

 

My local network is in the trust zone of Firewall Settings/Connection Blocking/Zones. My mac (local) IP address is 10.0.1.2. It's connected to the Airport with a ethernet cable.

 

Any idea ?

 

Vincent