what does this mean?

[mikemean]

ICMP unreachable. I keep seeing it in my firewall logs. I see it alot actually.

[mikemean]

Well, I have ALL Zone Alarm security settings on high so I guess I am safe. No one has ever gotten in. GRC.com says I am in stealth mode so they should not even be able to see me.

[mikemean]

Thanks, just downloaded and will test it out.

[Ronny]

thanks for the link norm.going to give it a try