not sent by hacker and is not limited by Virtual Server list. Besides, there are some IP protocols
that does not have port number information. There is no way to use Virtual Server setting to
forward incoming packet. Thus,
DMZ
host is the way to forward such kind of packets. If you try
to enable
DMZ
host and setup Virtual Server, the precedence is Virtual Server and then
DMZ
.
For example, the incoming packet will be checked with Firewall rules, Virtual Server rules and
then
DMZ
host.
6. TCP/IP Port List for Internet Service
The list of TCP/IP Port for Internet service is as following table. Please note that the list is just
for your reference. You may check the service provider’s manual to see more details.
Service Name
TCP
UDP
Notes
AOL
5190-5193 5190-5193
American
OnLine
AOL ICQ
5190, dyn >=1024
Message
AOL Instant Messenger
5190 5190
American
OnLine
Citrix ICA
1494, dyn >=1023
1604, dyn >=1023 Remote application access
DirectX Gaming
47624, 2300-2400
47624, 2300-2400 many network games
Distributed.Net RC5/DES
2064
Distributed
computation
DNS
53
Domain name Service
Doom
666 666
Network
game
FTP
21
File
Transfer
Protocol
Glimpseserver
2001
Search
engine
Gopher
70
H.323 Host Call
1720
1720
H.323 host call
HTTPs
443
Secure HTTP (SSL)
ichat client, server
4020 4020
Chat
rooms
ICU II
2000-2003
Videoconferencing
iSpQ
2000-2003
Videoconference
LDAP
389 389
Lightweight Directory Access Protocol
Mirabilis ICQ
dyn >=1024
4000
Locator, chat
MS ICCP
1731
1731
Audio call control (Microsoft)
MS Netmeeting
dyn >=1024,
dyn >=1024
Video conference
MS NetShow
1755 1755
Streaming
video
MSN Gaming Zone
28800-29000 28800-29000
Network
Game
MSN Messenger
1863
Instant
messenging
Netscape Conference
6498, 6502
2327
Audio conference
NNTPs
563
Secure NNTP news (SSL)
44
