Figure 84 Firewall: Service; Table 58 Firewall: Service - ZyXEL Communications P-335WT User Manual

Firewall router with print server 802.11g wireless firewall router with print server

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P-335 Series User's Guide

Figure 84 Firewall: Service

The following table describes the labels in this screen.

Enable Services

Available Service

Blocked Service

"Custom Port"

Select this check box to enable this feature.

This is a list of pre-defined services (ports) you may prohibit your LAN

computers from using. Select the port you want to block using the drop-down list

and click Add to add the port to the Blocked Service field.

This is a list of services (ports) that will be inaccessible to computers on your

LAN once you enable service blocking. Choose the IP port (TCP, UDP or TCP/

UDP) that defines your customized port from the drop down list box.

A custom port is a service that is not available in the pre-defined Available

Services list and you must define using the next two fields.

Services are either TCP and/or UDP. Select from either TCP or UDP.

Chapter 13 Firewall

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