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How to Power Off ADS M Portal Properly

May 22, 2023

To ensure proper shutdown of the ADS M Portal, it is recommended to synchronize memory data with the hard disk before initiating a shutdown. The command for this is sync. Failure to do so may result in data loss. After synchronization, you may proceed with the shutdown command for power off, instead of power off […]

Configuring TCP Flood Protection on NSFOCUS WAF

May 16, 2023

According to the working principle of TCP/IP, only a certain amount of TCP/IP connections are allowed. Attackers exploit this to launch TCP flood attacks, which are divided into two types: An attacker sends too many SYN packets to a target server for processing, exhausting the server’s resources and making the server unresponsive to legitimate traffic. […]

Packet Forwarding Mode

May 9, 2023

The packet Forwarding Mode is mainly used for debugging network faults. If this function is enabled, it indicates that the ADS device will directly forward network packets without any checks. The Packet Forwarding Enable feature can be reminded through the ADS webpage if this function is enabled. If you want to disable the packet forwarding […]

Configuring Network-Layer Access Control on NSFOCUS WAF

May 2, 2023

The network-layer access control function mainly controls the network layer and transport layer. It is a firewall function. NSFOCUS WAF incorporates this function to enable users to configure network-layer access controls on WAF. This function is available only when NSFOCUS WAF is deployed in in-path or out-of-path mode, but unavailable when the device is in […]

Communication Port Between ADS M & Portal

April 25, 2023

Scenario  Integrate Portal on the External Network with ADS M on the Internal Network. Required Ports The Portal has a dedicated public IP address. ADS M intranet uses a single public egress IP for external connectivity, and any access to the public network must go through this IP. To establish a connection between Portal and […]

Troubleshooting Common Errors During NTA HA Configuration

April 18, 2023

An HA switchover is initiated when: Common errors during HA configuration: 1. “The versions of the local and peer devices are different.” is displayed during configuration. Solution: Upgrade the devices and ensure that the versions of the two devices are the same. 2. “Failed to enable the HA SSH service on the peer end.” is […]

Troubleshooting of Failure to Import a License into NSFOCUS ADS

April 4, 2023

After ADS is installed, you must import a license before using it. License types vary a bit for hardware devices and virtual devices: ADS will provide limited functions when a license expires, as shown in Table 1. What functions are still available depends on the license type. Table 1 Functions available upon license expiry Tips: […]

New Feature – Upgrade of Detection Rules via the Cloud in NTA V4.5R90F04

March 20, 2023

Function Description This function will be available in NTA V4.5R90F04 in Q2 2023. NTA allows online upgrades of the DDoS detection rule library for automatic protection. This function can meet most of the current customization requirements by providing the latest detection rules against new types of DDoS attacks. Configuration Procedure Obtain the upgrade package of […]

NSFOCUS WAF Syslog Introduction

March 3, 2023

In computing, syslog is a standard for message logging.  It allows separation of the software that generates messages, the system that stores them, and the software that reports and analyzes them. Each message is labeled with a facility code, indicating the type of system generating the message, and is assigned a severity level. Computer system […]

Introduction to NSFOCUS WAF REST API

February 17, 2023

WAF REST API is known as the secondary development interface, and can be called by third-party platforms/software for adding, deleting, modifying, and querying WAF as wells its site, policy, and other configurations. Basic Conventions Format conventions: WAF REST API requests and responses are in JSON format: The attribute (primary key) name and character string of […]


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