NTA and Router SNMP Configuration Example

March 15, 2024 | NSFOCUS

NTA can monitor the CPU and memory usage, as well as traffic on the router interfaces where SNMP functionality is enabled. We will provide an example to explain the configuration for a better understanding of SNMP setup. Scenario: Configuring SNMP between the NTA management interface (IP: and a switch ( 1. Configuration on the […]

NTA BGP Configuration Example

March 1, 2024 | NSFOCUS

NTA must establish iBGP neighborship with a router to implement null route or BGP diversion. Only in this way can NTA advertise route update notifications for the diversion of attack traffic to a third-party device for cleaning. BGP configuration module allows you to configure parameters for establishing a BGP session. The procedure is as follows: […]

NTA Flow Configuration Example

February 16, 2024 | NSFOCUS

NTA analyzes traffic and detects exceptions based on flow data sent by the routers and switches. To provide a better understanding of how to send flow data for NTA analysis, we will illustrate flow configuration through an example. Additionally, we’ll guide you on key considerations during the configuration process. In the given network environment, a […]

Preliminary Troubleshooting for Cloud Authentication Failure in ADS, NTA and ADSM

February 1, 2024 | NSFOCUS

If the virtual product uses cloud authentication, it needs to communicate with the cloud authentication center periodically every day to complete the authentication and ensure availability. You can confirm the authorization mode by checking the Authorization Mode of the license. For example, in the image below, NTA uses cloud authorization. If the product fails to […]

Troubleshooting for NTA and ADS Automatic Diversion

January 5, 2024 | NSFOCUS

When NTA detects abnormal traffic, it can notify ADS to divert the traffic. ADS sends route diversion notifications to the router, redirecting the traffic to ADS for cleaning. Based on this scenario, this article will summarize troubleshooting directions when traffic is not successfully diverted to ADS. 1. Check whether automatic diversion is triggered. You can […]

Introduction to NTA Automatic Diversion

December 28, 2023 | NSFOCUS

NTA supports configuring automatic diversion for Region/IP Group traffic alerts and Region/IP Group DDoS attack alerts. There are different diversion methods for various scenarios, including ADS Diversion, Flowspec Diversion, BGP Diversion, and Null-Route Diversion For the Region/IP Group traffic alert, the following conditions must be met to perform automatic diversion after the alert is triggered: […]

Differences between NTA Auto IP Diversion and Auto Group Diversion

December 8, 2023 | NSFOCUS

You may have seen that there are two diversion modes in NTA alerts. They are Auto IP diversion and Auto group diversion. The Auto group diversion is triggered by the Region/IP Group Traffic Alert (at step 3 when configuring Regions or IP Groups). The Auto IP diversion is triggered by the Region/IP Group DDoS Attack […]

An Explanation of Traffic Abnormal in the NTA DDoS Attack Alert

November 16, 2023 | NSFOCUS

Traffic Abnormal does not differentiate between alert types. Any instance where the total traffic volume for a single destination IP exceeds the threshold is considered a traffic anomaly.

NTA SMTP Functionality Usage

November 10, 2023 | NSFOCUS

Customers can enable SMTP functionality to ensure timely receipt of alert notifications and device logs. Below are the steps to configure SMTP functionality. Configuring an SMTP Server 1. Choose Administration > Third-Party Interface > Email Service and click SMTP Server 2. Configure parameters Parameters for configuring an SMTP server: Parameter Description SMTP Server Address Specifies […]

Automated and Manual Backup Procedures for ADS, ADSM and NTA

October 6, 2023 | NSFOCUS

Configuration backup is important in many scenarios: Next, we will provide a step-by-step guide on performing configuration backup individually for ADS, ADSM, and NTA. ADS ADS supports one-click export of the current configuration. Click Export on ADS System > Local Settings > Configuration File Management to download configuration files directly: Pay attention to the following […]