Billion BiPAC 8500/8520 User Manual page 88

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 set
Application Protocol
HTTP(80) TCP(6)
DNS (53) UDP(17)
DNS (53) TCP(6)
FTP(21) TCP(6)
Telnet(23) TCP(6)
SMTP(25) TCP(6)
POP3(110) TCP(6)
NEWS(119) TCP(6)
RealAudio
UDP(17)
(7070)
PING ICMP(1)
H.323(1720) TCP(6)
T.120(1503) TCP(6)
SSH(22) TCP(6)
NTP(123) UDP(17)
HTTPS(443) TCP(6)
ICQ (5190) TCP(6)
Inbound: Internet to LAN ; Outbound: LAN to Internet.
YES: Allowed ; NO: Blocked ; N/A: Not Applicable
Chapter 4: Configuration
Billion BiPAC 8500/8501/8520/8521 SHDSL (VPN) Firewall Bridge/ Router
Table 1: Predefined Port Filter
Port Number Firewall - High
Start End Inbound
80 80 NO
53 53 NO
53 53 NO
21 21 NO
23 23 NO
25 25 NO
110 110 NO
119 119 NO
7070 7070 NO
N/A N/A NO
1720 1720 NO
1503 1503 NO
22 22 NO
123 123 NO
443 443 NO
5190 5190 NO
Firewall - Medium
Outbound Inbound Outbound
YES NO
YES NO
YES NO
NO NO
NO NO
YES
NO
YES NO
NO NO
NO YES
YES
NO
NO NO
NO NO
NO NO
YES
NO
NO NO
NO NO
Firewall – Low
Inbound Outbound
YES NO
YES YES
YES YES
NO
YES
YES NO
YES NO
YES NO
NO
YES
YES
YES
YES
NO
YES YES
YES YES
YES YES
YES
NO
NO
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
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