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ADSL2+ Modem Router DM111PSPv2 User Manual
3-4 Security and Firewall Protection
v1.0, December 2008
Outbound Firewall Traffic Rules
When the Outbound Traffic radio button is selected and you click Add in the Firewall Rules screen
(see
Figure 3-1 on page 3-3), the Add New Outbound IP Filtering Rule screen displays (see
following page).
Create a new outbound IP filtering rule, and then click Apply to add the rule to the outbound
traffic rules table in the Firewall Rules screen (see
Figure 3-1 on page 3-3). Table 3-1 describes the
settings on the Add New Outbound IP Filtering Rule screen.
Figure 3-2
Table 3-1. Outbound IP Filtering Rule Settings
Settings Description
Allow Traffic Select a radio button
• Yes. The new rule is used to allow outbound traffic.
• No. The new rule is used to prevent outbound traffic
Protocol Make a selection from the drop-down list:
• TCP. The rule applies to Transmission Control Protocol (TCP) traffic.
• UDP. The rule applies to User Datagram Protocol (UDP) traffic.
• ICMP. The rule applies to Internet Control Message Protocol (ICMP) traffic.
• AH. The rule applies to Authentication Header (AH) protocol traffic.
• ESP. The rule applies to Encapsulating Security Payload (ESP) traffic.
• GRE. The rule applies to Generic Route Encapsulation (GRE) traffic.
• ALL. The rule applies to all protocol traffic.
• User Defined. Enter a protocol name in the “as” field.