Nat - McAfee SG310 Administration Manual

Firewall menu options

NAT

Figure 173 Custom IPv6 Firewall Rules tab
To enter custom IPv6 firewall rules
From the Firewall menu, click Packet Filtering > Custom IPv6 Firewall Rules tab. The Custom IPv6
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Firewall Rules page appears
[Optional] To use exclusively the custom rules entered in this page, select the Custom firewall rules
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are instead of built-in rules checkbox.
Enter the custom rules in the text box.
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Click Update.
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Custom firewall rules and connection tracking
Because selecting the Custom firewall rules instead of built-in rules checkbox results in the default
firewall functionality being overridden, connection tracking will be disabled after the next reboot. This can
be useful in certain specific implementations to prevent iptables and netfilter modules being loaded when
the UTM Firewall boots, and to provide options such as faster IPsec offloading.
NAT
NAT (Network Address Translation) modifies the IP address, port, or both of traffic traversing the UTM
Firewall appliance. The appliance supports the following types of network address translation:
McAfee UTM Firewall 4.0.4 Administration Guide
(Figure 173).
171