Source Nat Page - McAfee SG310 Administration Manual

Firewall menu options
NAT
In the Incoming Interface field, select Any Internet Interface.
6
Allow the Source Address list default of Any.
7
In the Destination Address field, select Port B.
8
In the Protocol list, select TCP.
9
In the Ports field, enter 2222.
10
In the Destination To Address field, enter Build Server.
11
In the Optional To Ports field, enter 22.
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Click Finish.
13

Source NAT page

Source NAT alters the source address of packets received by the UTM Firewall appliance. Source NAT is
typically used for fine-tuning the masquerading behavior of the appliance. For information on altering the
basic masquerading relationships between your UTM Firewall appliance's interfaces, see
page. Click New to define an initial rule, as shown in
Figure 184 Source NAT page — initial view
Thereafter, you can also use the add above or add below icon to add a rule above or below an existing rule.
If you use the New button, the rule is added to the bottom of the list. Use the up or down arrows to
reposition a rule. For more information on icons, see
you can edit and delete the rules as necessary
Figure 185 Source NAT page—populated view
Note: Rules are evaluated from top to bottom as displayed on the page. The first matching rule determines the
action for the network traffic. To reorder a rule, click the move up or down arrow.
Creating a source NAT rule
Use this procedure to create a source NAT rule. The rule is applied to packets matching criteria described by
the entries in the Match packet fields.
When you create a rule, you can either use predefined addresses or services or manually enter an address
or service. To use the predefined definitions added through the Definitions menu, click Show Definitions
by the fields where applicable and select a definition from the list. For more information on
definitions, see Definitions. To manually enter an address or service, click New.
180 McAfee UTM Firewall 4.0.4 Administration Guide
Figure 184:
Interface icons. Once the page is populated with rules,
(Figure 185).
Masquerading