One-to-One NAT

One-to-One NAT maps valid, external addresses to private addresses hidden by NAT. Computers on your private LAN are accessed on the Internet at the corresponding public IP addresses.

You can create a relationship between internal and external addresses by defining internal and external address ranges. Once the relationship is defined, the computer with the first IP address of the private address range is accessible at the first IP address of the external address range, the second computer at the second external IP address, etc.

To configure One-to-One NAT, complete the following instructions.

1.Select the Enable One-to-One NAT check box.

2.Enter the beginning IP address of the private address range being mapped in the Private Range Begin field. This is the IP address of the first machine that is accessible from the Internet.

3.Enter the beginning IP address of the valid address range being mapped in the Public Range Begin field. This address should be assigned by your ISP.

Alert Do not include the SonicWALL WAN IP (NAT Public) Address or the WAN Gateway (Router) Address in this range.

4.Enter the number of public IP addresses that should be mapped to private addresses in the Range Length field. The range length can not exceed the number of valid IP addresses. Up to 64 ranges can be added. To map a single address, enter a Range Length of 1.

5.Click Update. Once the SonicWALL has been updated, a message confirming the update is displayed at the bottom of the browser window. Restart the SonicWALL for changes to take effect.

Alert The One-to-One NAT window maps valid, public IP addresses to private LAN IP addresses. It does not allow traffic from the Internet to the private LAN.

Tip A rule must be created in the Rules section to allow access to LAN servers. After One-to-One NAT is configured, create an Allow rule to permit traffic from the Internet to the private IP address(es) on the LAN.

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SonicWALL Internet Security Appliances manual Select the Enable One-to-One NAT check box
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Internet Security Appliances specifications

SonicWALL Internet Security Appliances are pivotal solutions aimed at safeguarding networks from an ever-evolving array of cyber threats. Designed for small to medium-sized businesses, as well as enterprises, these appliances deliver robust security and high-performance capabilities.

One of the main features of SonicWALL Internet Security Appliances is their Unified Threat Management (UTM) functionality. This integrated approach allows organizations to manage multiple security measures, including firewall protection, intrusion prevention systems (IPS), and antivirus capabilities, within a single device. This consolidation simplifies security management and reduces the risk of vulnerabilities from disparate systems.

Another significant technology found in these appliances is Application Control. This feature enables administrators to monitor and regulate the applications and services used within their networks, ensuring that bandwidth is allocated efficiently, and potentially harmful applications are blocked. Coupled with Content Filtering, SonicWALL offers granular policies to restrict access to inappropriate or non-work-related content, enhancing overall productivity while maintaining security.

SonicWALL appliances also utilize advanced cybersecurity technologies like SonicWall Capture Threat Assessment and Capture Advanced Threat Protection. These solutions leverage artificial intelligence to identify and remove sophisticated malware and ransomware threats before they infiltrate the network. This proactive approach ensures that only safe email and web traffic is allowed through, providing comprehensive protection against advanced persistent threats.

Moreover, SonicWALL’s Global Management System (GMS) enables centralized control over multiple security devices, making it easy for IT teams to maintain a consistent security posture across various locations. This capability is especially beneficial for organizations with distributed networks, as it provides real-time visibility into network activity and security incidents.

The appliances are also designed with scalability in mind. Whether an organization grows or needs to adjust its security policies, SonicWALL appliances can be updated, expanded, or modified without significant disruptions. This flexibility makes them a long-term investment for any business focused on network security.

In addition, SonicWALL's user-friendly interface simplifies the deployment and management processes. With intuitive dashboards and reporting tools, administrators can easily track security events, analyze network traffic patterns, and respond swiftly to potential threats.

In summary, SonicWALL Internet Security Appliances combine essential features like Unified Threat Management, Application Control, and advanced threat protection technologies into a cohesive security solution. Their scalability, centralized management capabilities, and user-friendly interfaces make them an excellent choice for businesses aiming to strengthen their cyber defenses in a complex digital landscape.
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