Predefined Services; Figure 76 Firewall Example: Rule Summary: My Service; Table 51 Predefined Services - ZyXEL Communications Prestige 2602HW Series User Manual

Prestige 2602HW Series User's Guide
Rule 2 allows a "My Service" connection from the WAN to IP addresses 10.0.0.10 through
10.0.0.15 on the LAN.

Figure 76 Firewall Example: Rule Summary: My Service

14.10 Predefined Services

The Available Services list box in the Edit Rule screen (see the
section) displays all predefined services that the Prestige 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)".
entries are supported. Custom service ports may also be configured using the Customized
Services function discussed previously.
Table 51
SERVICE
AIM/NEW_ICQ(TCP:5190)
AUTH(TCP:113)
BGP(TCP:179)
BOOTP_CLIENT(UDP:68)
BOOTP_SERVER(UDP:67)
CU-SEEME(TCP/UDP:7648,
24032)
DNS(UDP/TCP:53)
FINGER(TCP:79)
178
(UDP/TCP:53)
Predefined Services
DESCRIPTION
AOL's Internet Messenger service, used as a listening port by ICQ.
Authentication protocol used by some servers.
Border Gateway Protocol.
DHCP Client.
DHCP Server.
A popular videoconferencing solution from White Pines Software.
Domain Name Server, a service that matches web names (e.g.
www.zyxel.com
Finger is a UNIX or Internet related command that can be used to find
out if a user is logged on.
Configuring Firewall Rules
means UDP port 53 and TCP port 53. Up to 128
) to IP numbers.
Chapter 14 Firewall Configuration