Web Security

Introduction to NSFOCUS WAF Website Group Health Check

September 28, 2023

The Website Group Health Check feature at Security Management -> Website Protection -> Root -> Website Group Health Check -> One-Click Check helps users to check whether the website group policies are working as configured and identify potential issues of site configuration compiling. For example, if users change any current website policy during the period […]

Introduction to NSFOCUS WAF Apply Rule Database

September 11, 2023

In the versions before 6.0.7.3.61634, after users upgrade the NSFOCUS WAF Rule Database, they have to add the new rules one by one to the website’s policy based on the rule name or the rule number manually to apply the new policies. To improve user experience, the NSFOCUS WAF version 6.0.7.3.61634 has optimized this functionality. […]

NSFOCUS Tops China’s Hardware WAF Market for Four Consecutive Years

July 28, 2023

IDC released the market share research report on China’s hardware WAF market share recently. NSFOCUS ranks first with a market share of 11.9%, leading the WAF market in China for four consecutive years from 2019 to 2022. NSFOCUS’s next-generation WAF has been selected by more than 5,000 organizations and has become the preferred WAF product […]

NSFOCUS WAF Log4j2_RCE Protection

July 27, 2023

Logging events is a critical aspect of software development. While there are lots of frameworks available in Java ecosystem, Log4j has been the most popular for decades, due to the flexibility and simplicity it provides. Apache Log4j is part of the Apache Logging Services, a project of the Apache Software Foundation. Log4j 2 is a […]

Common SSL Vulnerability Protection

July 13, 2023

This article describes how to configure security policies on NSFOCUS WAF for protection against some common SSL vulnerabilities. TLS Client-initiated Renegotiation Support on the Server – CVE-2011-1473 This vulnerability exists during SSL renegotiation, and services that use the SSL renegotiation function will be impacted. Although it is currently possible to use HTTPS without enabling the […]

NSFOCUS WAF Secure Data Transfer

October 13, 2022

NSFOCUS WAF secures data transmission by restricting domain names, URLs, and request methods, and it can improve transmission security by converting ordinary HTTP requests into HTTPS requests forcibly. Configuration precondition: Configure HTTP and HTTPS sites and ensure that both HTTP and HTTPS sites can be accessed. Configuration method: Step 1: Click Security Management > Website […]

XSS Attack Protection

September 30, 2022

Cross-Site Scripting (XSS) attacks are a type of injection in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in the form of a browser side script, to a different end user. Flaws that allow these attacks to […]

Description of the Server Name Indication Feature on NSFOCUS WAF

September 22, 2022

The early SSLv2 was designed based on the classic public key infrastructure. By default, a server or an IP address could provide only one service so that the server could know which certificate to serve during the SSL handshake. The widespread use of virtual hosts leads to the situation where multiple domain names are mapped […]

Configuring HTTP Access Control on NSFOCUS WAF

August 12, 2022

HTTP access control policies can prevent websites from unauthorized and malicious access by controlling over HTTP requests that protected resources respond to. NSFOCUS WAF inspects requests and takes actions when a request matches any of policies you specified. Multiple policies can be applied to a single website and evaluated in top-down order. Once a packet […]

Cloud Native Security in Infrastructure Construction

September 15, 2021

Cloud native security is the development trend of cloud security in the coming years. On the one hand, inherent security of cloud native is worthy of in-depth study. On the other hand, with the reconstruction and upgrade of infrastructure, there is a clear trend towards the integration of cloud native technologies and information infrastructure. 5G, edge […]

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