Server Help

SO i tried making a Dedicated Server by following these instructions:
so far everything works fine except for the ports :confused: I know this has been posted before but i have tried a TON of ports and none work. Either its me putting them in wrong or i have the wrong ports. Here is a link to a picture of my routers port forwarding page (cause i don’t know how to put them on this post :D):

If you have the solution please let me know.

ok first of all im going to save you alot of time by saying donwload pfchelcker off of the port forward site. also here are my ports i have forwarded 27015 for both start and end port like you did. and i did 25565 for start and end also