Sometimes flooded with port scans

[Steel9]

I installed Firestarter and from time to time I get flooded by port scans from numerous IP's all port scanning strange ports like 13103, 50974 which does not seem to stop, even after I get assigned a new IP from resetting the power, it continues on for a half hour or so and then just stops.

A whois on a three of these IP's that are scanning brings up

Microsoft Corp
RIPE Network Coordination Centre
MTS Allstream Inc.

Sorry if this is the wrong place to ask, but I figured many of you would know just why this happens from time to time?

Thankyou.

[opreat0r]

maybe just not reading the logs right who knows PM me a pcap log ill take a look at it. for IDS I would use snort/snortsam and a local dns/squid proxy running mod_security etc .. but that's overkill from what you are from. can't really stop random attacks but you can whitelist everything and black-hole everything else. Simple stuff like blocking ICMP if possible/black hole I think would help drop noize to a crawl.

http://rmccurdy.com/scripts/htaccess
and I run snort/ emerging threats > custom conf

this cuts my noize down about 90%