ZyXEL ADSL Prestige 660HW-61 130122.0660HW61 Manual Do Utilizador

Prestige 660H/HW Series User’s Guide

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Chapter 13 Firewall Configuration

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 69   Firewall Example: Rule Summary: My Service 

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)”. 

 means UDP port 53 and TCP port 53. Up to 128 entries are 

supported. Custom service ports may also be configured using the Edit Customized Services 
function discussed previously.

Table 46    Predefined Services 

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.