I think I see the error. Your custom service objects set BOTH the source and destination ports. You need to remove the source port restriction. They will be sourced from any random port but will have the fixed destination port.
set service "MN AEG" protocol tcp src-port 29328-29328 dst-port 29328-29328
set service "MN AEG" + udp src-port 29328-29328 dst-port 29328-29328
set service "MN AEG" timeout never
set service "MN MRQ" protocol tcp src-port 55611-55611 dst-port 55611-55611
set service "MN MRQ" + udp src-port 55611-55611 dst-port 55611-55611
set service "MN MRQ" timeout never
set service "MN WORX" protocol tcp src-port 3300-3300 dst-port 3300-3300
set service "MN WORX" + udp src-port 3300-3300 dst-port 3300-3300
set service "MN WORX" timeout never