Watchguard Firebox X1000 Reference Manual page 50

CHAPTER 3: Services and Ports
Service Name
compuserve
rfe
aol
x11
font-service
nas
iphone
iphone
iphone
iphone
38
Port # Protocol
4144 TCP
5002 TCP/UDP
5190 TCP
6000 TCP/UDP
7100 TCP/UDP
8000 TCP/UDP
6670 TCP
22555 UDP
25793 TCP
1490 TCP
Description
CompuServe Online
Radio free ethernet
America Online
X Window System (through 6063)
X Font Service
NCD Network Audio Server
for connecting to the phone server
for audio
for the address server, in 4.x and 5.0
for the conference engine in 4.x and 5.0
WatchGuard Firebox System