Have a look at the link below, it should help with how to remove your LW rules & add new ones within ZA.
PortForward.com - Free Help Setting up Your ZoneAlarm Firewall.

Once you've done that, restart LW & see how it goes. Also try (within LW) file > disconnect, leave it for 5 mins then file > connect.

Also try deleting LW's preferences folder when LW's properly closed. See point 3 here.
Fixes for LimeWire
This will kill all of your settings within options, you'll have to go back through afterwards & reset things. If you're not sure of your settings, go through LW's tools > options & write them all down, so that you can reset things later.
The folder's hidden by default, so see this link about showing hidden files & folders.
http://www.gnutellaforums.com/genera...der-vista.html

When LW connected without ZA, did the brick wall firewall icon go away? Have you always seen the brick wall icon, or has it just started showing up since the connection problem? AFAIK there's no firewall within your modem