Netgear FVS338 FVS338 Reference Manual - Page 76

Specifying Quality of Service (QoS) Priorities, Security, Services, Add Custom Service, Edit Service

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FVS338 ProSafe VPN Firewall 50 Reference Manual To add a service: 1. Select Security from the main menu and Services from the submenu. The Services screen will display. 2. In the Add Custom Service table, enter a descriptive name for the service (this is for your convenience). 3. Select the Layer 3 Protocol that the service uses as its transport protocol. It can be TCP, UDP or ICMP. 4. Enter the first TCP or UDP port of the range that the service uses. If the service uses only one port, then the Start Port and the Finish Port will be the same. 5. Enter the last port of the range that the service uses. If the service only uses a single port number, enter the same number in both fields. 6. Click Add. The new custom service will be added to the Custom Services Table. To edit the parameters of a service: 1. In the Custom Services Table, click the Edit icon adjacent to the service you want to edit. The Edit Service screen will display. 2. Modify the parameters you wish to change. 3. Click Reset to cancel the changes and restore the previous settings. 4. Click Apply to confirm your changes. The modified service will display in the Custom Services Table. Specifying Quality of Service (QoS) Priorities The Quality of Service (QoS) Priorities setting determines the priority of a service, which in turn, determines the quality of that service for the traffic passing through the firewall. The user can change this priority: • On the Services screen in the Customer Services Table for customized services (see Figure 4-13). • On the LAN WAN Outbound Services screen (see Figure 4-12). The QoS priority definition for a service determines the queue that is used for the traffic passing through the VPN firewall. A priority is assigned to IP packets using this service. Priorities are defined by the "Type of Service (ToS) in the Internet Protocol Suite" standards, RFC 1349. A ToS priority for traffic passing through the VPN firewall is one of the following: 4-20 Firewall Protection and Content Filtering v1.0, March 2008

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FVS338 ProSafe VPN Firewall 50 Reference Manual
4-20
Firewall Protection and Content Filtering
v1.0, March 2008
To add a service:
1.
Select
Security
from the main menu and
Services
from the submenu. The
Services
screen will
display.
2.
In the
Add Custom Service
table, enter a descriptive name for the service (this is for your
convenience).
3.
Select the Layer 3 Protocol that the service uses as its transport protocol. It can be TCP, UDP
or ICMP.
4.
Enter the first TCP or UDP port of the range that the service uses. If the service uses only one
port, then the Start Port and the Finish Port will be the same.
5.
Enter the last port of the range that the service uses. If the service only uses a single port
number, enter the same number in both fields.
6.
Click
Add
. The new custom service will be added to the Custom Services Table.
To edit the parameters of a service:
1.
In the Custom Services Table, click the
Edit
icon adjacent to the service you want to edit. The
Edit Service
screen will display.
2.
Modify the parameters you wish to change.
3.
Click
Reset
to cancel the changes and restore the previous settings.
4.
Click
Apply
to confirm your changes. The modified service will display in the Custom
Services Table.
Specifying Quality of Service (QoS) Priorities
The Quality of Service (QoS) Priorities setting determines the priority of a service, which in turn,
determines the quality of that service for the traffic passing through the firewall. The user can
change this priority:
•
On the
Services
screen in the Customer Services Table for customized services (see
Figure 4-13
).
•
On the
LAN WAN Outbound Services
screen (see
Figure 4-12
).
The QoS priority definition for a service determines the queue that is used for the traffic passing
through the VPN firewall. A priority is assigned to IP packets using this service. Priorities are
defined by the “Type of Service (ToS) in the Internet Protocol Suite” standards, RFC 1349. A ToS
priority for traffic passing through the VPN firewall is one of the following: