Hughes Network DirecWay DW4020, User Manual

Page: 52 / 102

22
The User Interface
The Settings Menu
The firewall allows you to configure up to 10 rules for blocking packets received
over the satellite link. You can specify up to 5 port numbers or 5 protocol types
in each rule. You can also specify which Source IP Addresses are examined for
each rule. The table below lists some common port numbers and protocols.
1. Open the User Interface and go to
Home
→
Firewall
→
Settings.
The screen in
Figure 16 appears.
2. Select the
Enable Firewall
checkbox to enable the firewall.
3. Determine which rule number you want to create or modify.
4. Select a rule type.
5. Select a port or protocol number.
6. Type the source IP address that you want the firewall to check for.
7. You can leave the subnet mask set at 255.255.255.255. Set the Subnet Mask
to 0.0.0.0 if you would like to block access from everywhere in a particular
rule.
8. Click on the Save Configurations button to save the firewall settings.
Figure 16: Firewall Settings