Billion
Port Filters
The
Table 1: Pre-defined Port Filter
|
| Port Number | Firewall - High | Firewall - Medium | Firewall - Low | ||||||
Application | Protocol |
|
|
|
|
|
|
|
|
| |
Start | End | Inbound | Outbound | Inbound | Outbound | Inbound | Outbound | ||||
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
| |
HTTP(80) |
| TCP(6) | 80 | 80 |
|
|
|
|
|
DNS (53) |
| UDP(17) | 53 | 53 |
|
|
|
|
|
DNS (53) |
| TCP(6) | 53 | 53 |
|
|
|
|
|
FTP(21) |
| TCP(6) | 21 | 21 |
|
|
|
|
|
Telnet(23) |
| TCP(6) | 23 | 23 |
|
|
|
|
|
SMTP(25) |
| TCP(6) | 25 | 25 |
|
|
|
|
|
POP3(110) |
| TCP(6) | 110 | 110 |
|
|
|
|
|
|
|
|
|
|
NEWS(119) |
| TCP(6) | 119 | 119 |
|
|
|
|
|
RealAudio |
| UDP(17) | 7070 | 7070 |
(7070) |
| |||
|
|
|
| |
PING |
| ICMP(1) | N/A | N/A |
|
|
|
|
|
H.323(1720) |
| TCP(6) | 1720 | 1720 |
|
|
|
|
|
T.120(1503) |
| TCP(6) | 1503 | 1503 |
|
|
|
|
|
SSH(22) |
| TCP(6) | 22 | 22 |
|
|
|
|
|
|
|
|
|
|
NTP(123) |
| UDP(17) | 123 | 123 |
|
|
|
|
|
HTTPS(443) |
| TCP(6) | 443 | 443 |
|
|
|
|
|
ICQ (5190) |
| TCP(6) | 5190 | 5190 |
|
|
|
|
|
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
NO
NO
YES
YES
NO
NO
YES
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
YES
NO
NO
NO
NO
NO
YES
NO
YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Inbound: Internet to LAN
Outbound: LAN to Internet.
57
Chapter 4: Configuration
