Damn. Thats fucked up. Mine used to do that untill I disabled it.
My shit goes thru 2 routers and connects/posts pics flawlessly.

I used to know how to fuck with the firewall on the router, and I was going to try and tell you how, but I cant recall exactly what to do.
There should be a password on the bottom, somehow you can acess it and put in that password and turn off the firewall. I forgot how to do that tho.