Working on a similar problem. According to Symantec, hit your router (192.168.1.1=default IIRC);
click 'advanced,'
click 'forwarding,'
fwd port 5631, TCP, to [host's IP]
fwd port 5632, UDP, to [host's IP]
You can get [host's IP] easily by launching PCA host, then double-click it out of the...