Billion BiPAC 7401VP User Manual page 63

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 pre-configured.
Application Protocol
HTTP(80) TCP(6)
DNS (53) UDP(17) 53
DNS (53) TCP(6)
FTP(21) TCP(6)
Telnet(23) TCP(6)
SMTP(25) TCP(6)
POP3(110) TCP(6)
NEWS(NNTP)
TCP(6)
(Network News
Transfer Protocol)
RealAudio/
RealVideo UDP(17) 7070 7070
(7070)
PING ICMP(1) N/A
H.323(1720) TCP(6)
T.120(1503) TCP(6)
SSH(22) TCP(6)
NTP /SNTP UDP(17) 123
HTTP/HTTP
TCP(6)
Proxy (8080)
HTTPS(443) TCP(6)
ICQ (5190) TCP(6)
MSN (1863) TCP(6)
Chapter 4: Configuration
Table 1: Predefined Port Filter
Port
Firewall - Low
Number
Start End Inbound Outbound Inbound Outbound Inbound Outbound
80 80 NO
53 NO
53 53 NO
21 21 NO
23 23 NO
25 25 NO
110 110 NO
119 119 NO
YES
N/A NO
1720 1720 YES
1503 1503 YES
22 22 NO
123 NO
8080 8080 NO
443 443 NO
5190 5190 YES
1863 1863 YES
VoIP/(802.11g) ADSL2+ Router
Firewall - Medium
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES YES
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES N/A
YES N/A
Firewall – High
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
NO NO
YES N/A
N/A N/A
N/A N/A
YES
YES
YES
NO
NO
YES
YES
NO
NO
YES
NO
NO
NO
YES
NO
N/A
N/A
N/A
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