Cisco Asdm 7 User Guide
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6-23 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Dynamic NAT Step 2For a new pool, from the Interface drop-down list, choose the interface where you want to use the mapped IP addresses. Step 3For a new pool, in the Pool ID field, enter a number between 1 and 2147483647. Do not enter a pool ID that is already in use, or your configuration will be rejected. Step 4In the IP Addresses to Add area, click Range, Port Address Translation...
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6-24 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Dynamic NAT To configure a dynamic NAT, PAT, or identity NAT rule, perform the following steps. Step 1In the Configuration > Firewall > NAT Rules pane, choose Add > Add Dynamic NAT Rule. The Add Dynamic NAT Rule dialog box appears. Step 2In the Original area, from the Interface drop-down list, choose the interface that is connected to the hosts with real addresses that you want to...
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6-25 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Dynamic NAT TCP initial sequence number randomization can be disabled if required. For example: –If another in-line firewall is also randomizing the initial sequence numbers, there is no need for both firewalls to be performing this action, even though this action does not affect the traffic. –If you use eBGP multi-hop through the ASA, and the eBGP peers are using MD5. Randomization...
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6-26 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Dynamic NAT Step 2In the Original area, from the Interface drop-down list, choose the interface that is connected to the hosts with real addresses that you want to translate. Step 3Enter the real addresses in the Source field, or click the ... button to choose an IP address that you already defined in ASDM. Specify the address and subnet mask using prefix/length notation, such as...
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6-27 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Static NAT NoteYou can also set these values using a security policy rule. To set the number of rate intervals maintained for host statistics, on the Configuration > Firewall > Threat Detection > Scanning Threat Statistics area, choose 1, 2, or 3 from the User can specify the number of rate for Threat Detection Host drop-down list. Because host statistics use a lot of memory,...
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6-28 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Static NAT Policy NAT lets you identify real addresses for address translation by specifying the source and destination addresses. You can also optionally specify the source and destination ports. Regular NAT can only consider the source addresses, and not the destination. See the “Policy NAT” section on page 6-11 for more information. Static PAT lets you translate the real IP...
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6-29 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Static NAT Step 1In the Configuration > Firewall > NAT Rules pane, choose Add > Add Static NAT Rule. The Add Static NAT Rule dialog box appears. Step 2In the Original area, from the Interface drop-down list, choose the interface that is connected to the hosts with real addresses that you want to translate. Step 3Enter the real addresses in the Source field, or click the ... button to...
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6-30 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Static NAT NoteYou can also set these values using a security policy rule. To set the number of rate intervals maintained for host statistics, on the Configuration > Firewall > Threat Detection > Scanning Threat Statistics area, choose 1, 2, or 3 from the User can specify the number of rate for Threat Detection Host drop-down list. Because host statistics use a lot of memory,...
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6-31 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Static NAT Configuring Static Policy NAT, PAT, or Identity NAT Figure 6-22 shows typical static policy NAT, static policy PAT, and static policy identity NAT scenarios. The translation is always active so both translated and remote hosts can originate connections. Figure 6-22 Static Policy NAT Scenarios To configure static policy NAT, PAT, or identity NAT, perform the following...
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6-32 Cisco ASA Series Firewall ASDM Configuration Guide Chapter 6 Configuring NAT (ASA 8.2 and Earlier) Using Static NAT Step 6Specify the mapped IP address by clicking one of the following: Use IP Address Enter the IP address or click the ... button to choose an IP address that you already defined in ASDM. Specify the address and subnet mask using prefix/length notation, such as 10.1.1.0/24. If you enter an IP address without a mask, it is considered to be a host address, even if it ends...
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