User`s manual

MICHELANGELO SHDSL VPN Firewall Bridge/Router
Chapter 4: Configuration
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 – All Blocked/User-defined, you must define and create the port filter rules yourself. No predefined rule is
being preconfigured.
Table 1: Predefined Port Filter
Port Number
Firewall - Low
Firewall - Medium
Firewall – High
Application
Protocol
Start
End
Inbound
Outbound
Inbound
Outbound
Inbound
Outbound
HTTP(80)
TCP(6)
80
80
NO
YES
NO
YES
NO
YES
DNS (53)
UDP(17)
53
53
NO
YES
NO
YES
NO
YES
DNS (53)
TCP(6)
53
53
NO
YES
NO
YES
NO
YES
FTP(21)
TCP(6)
21
21
NO
YES
NO
YES
NO
NO
Telnet(23)
TCP(6)
23
23
NO
YES
NO
YES
NO
NO
SMTP(25)
TCP(6)
25
25
NO
YES
NO
YES
NO
YES
POP3(110)
TCP(6)
110
110
NO
YES
NO
YES
NO
YES
NEWS(NNTP)
(Network News
Transfer Protocol)
TCP(6)
119
119
NO
YES
NO
YES
NO
NO
RealAudio/
RealVideo
(7070)
UDP(17)
7070
7070
YES
YES
YES
YES
NO
NO
PING
ICMP(1)
N/A
N/A
NO
YES
NO
YES
NO
YES
H.323(1720)
TCP(6)
1720
1720
YES
YES
NO
YES
NO
NO
T.120(1503)
TCP(6)
1503
1503
YES
YES
NO
YES
NO
NO
SSH(22)
TCP(6)
22
22
NO
YES
NO
YES
NO
NO
NTP /SNTP
(123)
UDP(17)
123
123
NO
YES
NO
YES
NO
YES
HTTP/HTTP
Proxy (8080)
TCP(6)
8080
8080
NO
YES
NO
YES
N/A
N/A
HTTPS(443)
TCP(6)
443
443
NO
YES
NO
YES
N/A
N/A
ICQ (5190)
TCP(6)
5190
5190
YES
YES
N/A
N/A
N/A
N/A
MSN (1863)
TCP(6)
1863
1863
YES
YES
N/A
N/A
N/A
N/A
MSN (7001)
UDP(17)
7001
7001
YES
YES
N/A
N/A
N/A
N/A
MSN VEDIO
(9000)
TCP(6)
9000
9000
NO
YES
N/A
N/A
N/A
N/A
Inbound: Internet to LAN; Outbound: LAN to Internet.
YES: Allowed; NO: Blocked; N/A: Not Applicable