Problems accessing from outside the intranet

[cdiercks@indy.rr.com]

I have VNC set up on my server and have not trouble accessing it from the viewer or from IE from within the LAN.  Whenever I try to access it from the internet, I have no luck.  If I use the Java viewer (Port 5800), I get a box with a red x.  If I use the built in viewer (port 5900) I get the following message: RFB 003.008 .  What does this mean?  It works fine from either port within the local area network.  I can ping from the internet and everything else on the server is working fine.  I have ports 5800 through 5900 open on the router.  I know the info is getting to the server because I can see the error message.  What is causing it not to fully connect?