ZyXEL Prestige 202H Plus ISDN Router 91-003-154001B 사용자 설명서
제품 코드
91-003-154001B
P-202H Plus v2 User’s Guide
107
Chapter 9 Firewall Configuration
Figure 45 Firewall Example: Rule Summary
9.11 Predefined Services
displays all predefined services that the ZyXEL Device already supports. Next to the name of
the service, two fields appear in brackets. The first field indicates the IP protocol type (TCP,
UDP, or ICMP). The second field indicates the IP port number that defines the service. (Note
that there may be more than one IP protocol type. For example, look at the default
configuration labeled “(DNS)”.
the service, two fields appear in brackets. The first field indicates the IP protocol type (TCP,
UDP, or ICMP). The second field indicates the IP port number that defines the service. (Note
that there may be more than one IP protocol type. For example, look at the default
configuration labeled “(DNS)”.
(UDP/TCP:53)
means UDP port 53 and TCP port 53. Up to 128
entries are supported. Custom service ports may also be configured using the Edit Available
Service function discussed previously.
Service function discussed previously.
Table 30 Predefined Services
SERVICE
DESCRIPTION
AIM/NEW_ICQ(TCP:5190)
AOL’s Internet Messenger service, used as a listening port by ICQ.
AUTH(TCP:113)
Authentication protocol used by some servers.
BGP(TCP:179)
Border Gateway Protocol.
BOOTP_CLIENT(UDP:68)
DHCP Client.
BOOTP_SERVER(UDP:67)
DHCP Server.