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Example: Predefined Port Filters Rules
The predefined port filter rules for High, Medium and Low security levels are listed. See Table 1.
Note: Firewall – All Blocked/User-defined, you must define and create the port filter rules
yourself. No predefined rule is being preconfigured.
Application
HTTP(80)
DNS(53)
DNS(53)
FTP(21)
Telnet(23)
SMPT(25)
POP3(110)
NEWS(NNTP)
PING
H.323(1720)
T.120(1503)
SSH(22)
NTP/SNTP
HTTP/HTTP
Proxy(8080)
HTTPS(443)
ICQ(5190)
MSN(1863)
MSN(7001)
MSN VEDIO
Inbound: Internet to LAN
Outbound: LAN to Internet
YES: Allowed
NO: Blocked
N/A: Not Applicable
Table 1: Predefined Port Filter
Port
Protocol
Number
TCP(6)
80
UDP
53
TCP(6)
53
TCP(6)
21
TCP(6)
23
TCP(6)
25
TCP(6)
110
TCP(6)
119
ICMP(1)
N/A
N/A
TCP(6)
1720
1720
TCP(6)
1503
1503
TCP(6)
22
UDP(17)
123
123
TCP(6)
8080
8080
TCP(6)
443
443
TCP(6)
5190
5190
TCP(6)
1863
1863
UDP(17)
7001
7001
TCP(6)
9000
9000
Firewall -
Low
80
NO
YES
53
NO
YES
53
NO
YES
21
NO
YES
23
NO
YES
25
NO
YES
110
NO
YES
119
NO
YES
NO
YES
YES
YES
YES
YES
22
NO
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
69
Firewall -
Firewall –
Medium
High
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
YES
NO
NO
NO
NO
NO
YES
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
YES
YES
YES
NO
NO
YES
YES
NO
YES
NO
NO
NO
YES
NO
N/A
N/A
N/A
N/A
N/A
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