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Chapter 13 - Configuring The Firewall
Masquerading
Figure 106: Firewall Masquerading And SNAT
This menu allows you to add, delete and configure masquerading and SNAT rules.
Add a new rule by selecting the “Add a new masquerading rule” link or by clicking on
the add-above or add-below images in the Add field. Reorder the policies by clicking
on the arrows under the Move field.
Clicking on a link under the Outgoing interface field will allow you to edit or delete
the rule, as shown below. You may also make changes by manually editing the rule
file.
Figure 107: Editing A Masquerading Rule
The Only for destination field restricts the masquerading to the specified IP address.
The Network to masquerade fields determine the interface or subnet on the private
network that you wish to masquerade. The Except for networks field restricts traffic
from the specified subnet.
The SNAT address field is used to determine whether masquerading or SNAT is
being performed. If checked, the entered IP address is used as a SNAT address.
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