Cisco PIX-515E Panduan Memulai Cepat - Halaman 11

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Cisco PIX-515E Panduan Memulai Cepat
Step 2 Configure Address Translations on Private Networks
Network Address Translation (NAT) replaces the source IP addresses of network traffic traversing
between two PIX interfaces. This translation prevents the private address spaces from being exposed
on public networks and permits routing through the public networks. Port Address Translation (PAT)
is an extension of the NAT function that allows several hosts on the private networks to map into a
single IP address on the public network. PAT is essential for small and medium businesses that have
a limited number of public IP addresses available to them.
To configure NAT between the inside and the DMZ interfaces for the inside HTTP client, complete
the following steps starting from the main PDM page:
a. Select the Translation Rules tab. Ensure that the Translation Rules radio button is selected.
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