Security issues with Linksys router's firewall?

pm

Elite Member Mobile Devices
Jan 25, 2000
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I was under the impression that the NAT 'firewall' on a Linksys router was pretty decent protection against hackers, but I've been running Zonealarm recently anyway just in case.

The surprising thing is that, in the last 2 days, ZoneAlarm has stopped 298 port scans trying to access my computer - which is on my LAN side of the router. The messages are all like:




<< The firewall has blocked Internet access to your computer (UDP Port 162) from 192.168.1.1 (UDP Port 4253). >>



I was not using my computer at the time - nor was anyone else here. I'm not on the DMZ host. I have no ports forwarded (none at all), and am using a very strong password (Intel is big on pounding the idea of strong passwords into our heads, this is a strong one).

So, I'm concerned that there is an undocumented hole in the Linksys NAT firewall. Has anyone heard of any issues/exploits with this? Has anyone else had ZoneAlarm alerts on ports that they haven't forwarded using a Linksys router. Can anyone offer suggestions on what could be happening?

Thanks

P3-933, 256MB RAM, Window 2000, Linksys EtherFast 100, Linksys BEFSR41 router, RCA cable modem, @Home service

The LAN usually has three computers... my laptop, my wife's laptop, and my computer. All three spend their days cracking RC5.