Introduction to NSFOCUS WAF Apply Rule Database

setembro 11, 2023

In the versions before, 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 has optimized this functionality. […]

Path Traversal Attack Protection

agosto 18, 2023

A path traversal attack, or directory traversal, aims to access files and directories stored outside the web root folder. When the server does not check the user input strictly, by manipulating variables that reference files with “dot-dot-slash (../)” sequences and its variations or by using absolute file paths, it may be possible to access arbitrary […]

NSFOCUS WAF Log4j2_RCE Protection

julho 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

julho 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 […]


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