computer probing it's own ports

From: Sowthwest Texan (tommy_of_earth_at_yahoo.com)
Date: 06/09/05 

Date: Wed, 8 Jun 2005 17:15:57 -0500

When I'm connected to the Internet via dial up this computer probes
the ports on this computer using the P.P.P. - I.P. address causing
the firewall to show a HIGH RISK that a remote system is attempting
to access my computer. Can someone tell me why it's doing this and
tell me how to make it stop?

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