Billion BiPAC 7402GL R4, Руководство пользователя, Страница: 69 / 115

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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
Application
Protocol
Port
Number
Firewall -
Low Firewall -
Medium Firewall –
High
HTTP(80) TCP(6) 80 80 NO YES NO YES NO YES
DNS(53) UDP 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
SMPT(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) TCP(6) 119 119 NO YES NO 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 UDP(17) 123 123 NO YES NO YES NO YES
HTTP/HTTP
Proxy(8080)
TCP(6) 8080 8080 NO YES NO NO NO NO
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 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