Predefined Services; Figure 67 Firewall Example: Rule Summary: My Service; Table 47 Predefined Services - ZyXEL Communications Prestige 2602R Series User Manual

Figure 67 Firewall Example: Rule Summary: My Service

13.10 Predefined Services

The Available Services list box in the Edit Rule screen (see
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)".
supported. Custom service ports may also be configured using the Customized Services
function discussed previously.
Table 47
SERVICE
AIM/NEW_ICQ(TCP:5190)
AUTH(TCP:113)
BGP(TCP:179)
BOOTP_SERVER(UDP:67)
CU-SEEME(TCP/UDP:7648,
24032)
DNS(UDP/TCP:53)
FINGER(TCP:79)
FTP(TCP:20.21)
H.323(TCP:1720)
HTTP(TCP:80)
Chapter 13 Firewall Configuration
means UDP port 53 and TCP port 53. Up to 128 entries are
(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 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.
File Transfer Program, a program to enable fast transfer of files,
including large files that may not be possible by e-mail.
Net Meeting uses this protocol.
Hyper Text Transfer Protocol - a client/server protocol for the world
wide web.
Prestige 2602R Series User's Guide
Section 13.6.1 on page
) to IP numbers.
155)
163