Table 47 Firewall: Services - ZyXEL Communications P-320W User Manual

P-320W User's Guide
The following table describes the labels in this screen.

Table 47 Firewall: Services

LABEL
Enable Services
Blocking
Available Services This is a list of pre-defined services (ports) you may prohibit your LAN computers
Blocked Services
Custom Port
Type
Port Number
Add
Delete
Clear
Day to Block:
Time of Day to
Block (24-Hour
Format)
Apply
Reset
112
DESCRIPTION
Select this check box to enable this feature.
from using. Please see Section 9.3.1 on page 113
available.
Select the port you want to block using the drop-down list and click Add to add the
port to the Blocked Services 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.
Enter the port number range that defines the service. For example, suppose you
want to define the Gnutella service. Select TCP type and enter a port range from
6345-6349.
Select a service from the Available Services drop-down list and then click Add to
add a service to the Blocked Services.
Select a service from the Blocked Services list and then click Delete to remove
this service from the list.
Click Clear to empty the Blocked Services.
Select a check box to configure which days of the week (or everyday) you want the
content filtering to be active.
Select the time of day you want service blocking to take effect. Configure blocking
to take effect all day by selecting the All Day check box. You can also configure
specific times that by entering the start time in the Start (hr) and Start (min) fields
and the end time in the End (hr) and End (min) fields. Enter times in 24-hour
format, for example, "3:00pm" should be entered as "15:00".
Click Apply to save the settings.
Click Reset to start configuring this screen again.
for more information on services
Chapter 9 Firewall