(Yet another) Networking problem.

basic info:
Laptop, Windows XP, integrated wireless.

Symptoms:
Picks up signal, connects to router, gets IP address, DHCP enabled, etc. Pings router successfully, pings outside websites sucessfully. Connects to AOL Instant Messenger just fine. Gives a “can’t establish a connection to the server . . .” error in Firefox and IE.

Diagnosis/additional info needed?

headslap

Nevermind. Zonealarm enabled, hidden from system tray. Duh.