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General| Operating System | NetDefendOS |
|---|---|
| Intrusion Prevention System (IPS) | Yes |
| Application Control | Yes |
| Web Filtering | Yes |
| DoS/DDoS Protection | Yes |
| High Availability Support | Yes |
| VPN Support | Yes |
| Anti-Virus | Yes (via subscription) |
| Anti-Spam | Yes (via subscription) |
| Management Interface | Web-based, CLI |
| Firewall Type | Stateful Inspection Firewall |
Details the key features of NetDefendOS, highlighting its capabilities as a network security operating system and its object-oriented approach to configuration.
Explains the core concepts behind NetDefendOS design, including its state-based architecture and building blocks like interfaces, logical objects, and rule sets.
Outlines the simplified flow of packets through the NetDefendOS state-engine, covering basic principles of packet reception and forwarding.
Provides an in-depth presentation of the configuration subsystem and how to work with the various management interfaces, including WebUI and CLI.
Describes how to monitor the real-time performance of NetDefendOS through alerts, link monitoring, SNMP, and hardware monitoring.
Provides an assortment of tools for troubleshooting network problems, including ping, stats, connections, dconsole, pcapdump, traceroute, and frags commands.
Covers maintenance procedures such as version update alerts, auto-update mechanisms, backing up configurations, and restoring to factory defaults.
Explains the Address Book, its benefits, and how to manage IP addresses, Ethernet addresses, and FQDN address objects.
Details how IPv6 usage is enabled, how IPv6 objects are created, stateless auto-configuration, and creating IP rules and routes using IPv6 addresses.
Explains the concept of interfaces, their types (Ethernet, Sub-interfaces, Tunnel, Loopback), and how they are treated logically.
Explains security policies, IP rules, IP policies, pipe rules, policy-based routing rules, and authentication rules.
Describes how to set up application control using IP rules or IP policies, and how to manage application signatures.
Describes static routing, its principles, components of a route, and the route lookup mechanism.
Details how to configure an Ethernet or VLAN interface as an IPv4 DHCP client, including important HA cluster limitations.
Explains the NetDefendOS DHCP Server object for managing IP addresses, including multiple servers, relay filter, and server list.
Details the principal function of NetDefendOS to allow authorized connections, covering access control, default access rules, and IP spoofing.
Explains Application Layer Gateways (ALGs) for filtering at higher OSI levels, listing protocols supported and deployment methods.
Explains the NetDefendOS IDP subsystem for protecting against intrusion attempts by monitoring network traffic.
Explains Dynamic Network Address Translation (NAT), its benefits, limitations, and how it applies NAT translation.
Summarizes the steps for user authentication setup, covering authentication sources like local databases, RADIUS, and LDAP.
Explains IPsec standards and components, including IKE, IPsec protocols (AH/ESP), and Security Associations (SAs).
Provides guidance on troubleshooting common VPN problems, including general checks, certificate issues, and specific error messages.
Details NetDefendOS traffic shaping capabilities, including pipes, pipe rules, and objectives.
Introduces the High Availability (HA) fault-tolerance feature, HA clusters, and basic principles.
Discusses HA mechanisms in depth, including basic principles, heartbeat frequency, and cluster management.
Provides a step-by-step guide for setting up an HA cluster, covering hardware setup and configuration methods.
Introduces ZoneDefense feature for blocking hosts or networks using switches and its reliance on SNMP.
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