I have two SonicWall Soho 3's installed at 2 homes in the same geographical area. Both are on the same broadband provider system. About 4 weeks ago, I started receiving email alerts from the SonicWall, from BOTH firewalls. Here is an example:
08/21/2003 15:21:56.912 - IP spoof detected - Source:172.172.31.211, LAN - Destination:172.174.244.26, WAN - MAC address: 00.20.35.83.07.22 -
It appears to me that the computer(s) on the local LAN are up to something, but I'm not sure what. On the one installation, I have 3 computers behind the SonicWall, and I have rec'd emails showing the same IP Spoofing problem coming from all three hardware MAC addresses.
I have no idea what's going on. Any suggestions?
08/21/2003 15:21:56.912 - IP spoof detected - Source:172.172.31.211, LAN - Destination:172.174.244.26, WAN - MAC address: 00.20.35.83.07.22 -
It appears to me that the computer(s) on the local LAN are up to something, but I'm not sure what. On the one installation, I have 3 computers behind the SonicWall, and I have rec'd emails showing the same IP Spoofing problem coming from all three hardware MAC addresses.
I have no idea what's going on. Any suggestions?