How To - Please Ensure That Your Firewall Permits Upd 4950 & 4955?

[Craynz]

"Please ensure that your firewall permits udp 4950 & 4955"

i didnt change anything as far as i know but when i start the game after about 30 sec. i get this mesage and i cant invite ppl (could not deliver invitation)

 

if i turn my firewall offline it works again.

i have mcafee internet security.

i have warframe in the "internet-connections for programms" and i also opened the ports in "ports and systemservices" but it doesnt work? i dont actually know what to do :(

[Craynz]

ye,as i said, if mc afee isnt running/firewall is disabled, warframe works.

but i dont know why it doesnt work if firewall is enabled since i already opened the ports in the mcafee interface :/