User's Manual
OfficeConnect VPN Firewall User’s Manual Chapter 18. ALG Configuration
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18 ALG Configuration
Table 18.1 lists all the supported ALGs (Application Layer Gateway).
Table 18.1. Supported ALG
ALG/Application
Name
Protocol and
Port
Predefined
Service Name
Tested Software
Version
PCAnywhere
UDP/22
PC-ANYWHERE
pcAnywhere 9.0.0
RTSP-554
TCP/554
RTSP554
RealPlayer 8 Plus
QuickTime Version
6
UDP/53
DNS
TCP/80
HTTP
RTSP-7070
TCP/7070
RTSP7070
RealPlayer 8 Plus
UDP/53
DNS
QuickTime Version
6
TCP/80
HTTP
Net2Phone
UDP/6801
N2P
Net2Phone
CommCenter
Release
1.5.0
TCP/80
HTTP
TCP/443
HTTPS
UDP/53
DNS
CUSeeMe
TCP/7648
CUSEEME
CUSeeMe Version
5.0.0.043
TCP/80
HTTP
UDP/53
DNS
Netmeeting
TCP/1720
H323
UDP/53
DNS
Netmeeting with
ILS
TCP/1720
H323
Windows
Netmeeting Version
3.01
Opengk Version
TCP/389
ILS
UDP/53
DNS
ALG/Application
Name
Protocol and
Port
Predefined
Service Name
Tested Software
Version
Netmeeting with
GK
TCP/1720
H323
1.2.0
UDP/1719
H323GK
UDP/53
DNS
SIP
UDP/5060
SIP
SIP User Agent 2.0
Intel Video Phone
TCP/1720
H323
Intel Video Phone
Version 5.0
UDP/53
DNS
FTP
TCP/21
FTP
WFTPD version
2.03
Redhat Linux 7.3
UDP/53
DNS
Security ALGs
L2TP
UDP/1701
L2TP
Windows 2000
Server built-in
UDP/53
DNS
PPTP
TCP/1723
PPTP
Windows 2000
Server built-in
UDP/53
DNS
IPSec (Only
Tunnel Mode with
ESP)
UDP/500
IKE
Windows 2000
Server built-in
ESP
UDP/53
DNS
Chats
AOL Chat
TCP/ 5190
AOL
AOL Instant
Messenger Version
5.0.2938
TCP/80
HTTP
UDP/53
DNS
ICQ Chat
NB: Application
should be
configured to use
TCP/5191
TCP /5191
ICQ_2000
ICQ 2000b
TCP/80
HTTP
UDP/53
DNS
IRC
TCP/ 6667
IRC
MIRC v6.02
TCP/80
HTTP










