Sonicwall TZ100W, problem adding a WAN to LAN rule.

Hi Team,

I'm trying to add a rule to my personal sonic wall to allow access one of my devices from the outside. I have added the correct NAT and firewall rule but I keep on getting this error message on the logs:

07/01/2012 12:58:31.272      Notice      Network Access      TCP connection dropped      204.13.3.101, 40228, X1      192.168.10.20, 9090, X0      TCP SonicWALL WAN Management      4 (WAN->LAN)

I even removed Rule 4 which blocks any wan to lan and I still get this:
07/01/2012 12:52:01.768      Notice      Network Access      TCP connection dropped      204.13.3.101, 40107, X1      192.168.10.20, 9090, X0      TCP SonicWALL WAN Management


Any ideas?
Thank you