Billion 400G User Manual page 52

Example: Predefined Port Filters Rules
The predefined port filter rules for High, Medium and Low security levels are listed. See Table 1.
Note: Firewall – For Blocked/User-defined, you must define and create the port filter rules yourself. No predefined
rules are configured for these modes.
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(NNTP)
(Network
News TCP(6)
Transfer
Protocol)
RealAudio/
RealVideo UDP(17)
(7070)
PING ICMP(1)
H.323(1720) TCP(6)
T.120(1503) TCP(6)
SSH(22) TCP(6)
NTP /SNTP UDP(17)
HTTP/HTTP
Proxy TCP(6)
(8080)
HTTPS(443) TCP(6)
ICQ (5190) TCP(6)
Chapter 4: Configuration
Table 1: Predefined Port Filter
Port Number Firewall - Low
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 YES
N/A N/A NO
1720 1720 YES
1503 1503 YES
22 22 NO
123 123 NO
8080 8080 NO
443 443 NO
5190 5190 YES
Billion 400G Router
Firewall - Medium
Outbound Inbound
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
Firewall – High
Outbound Inbound
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
Outbound
YES
YES
YES
NO
NO
YES
YES
NO
NO
YES
NO
NO
NO
YES
NO
N/A
N/A
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