waf

NSFOCUS WAF Security Reports

February 8, 2024

NSFOCUS WAF security reports are divided into classification-specific alert reports and period-specific alert reports. You can acquire reports based on query conditions, such as websites, event types, statistic collection periods, and statistic collection time. 1. Generation procedure: Logs & Reports > Security Reports > Classification-Specific Alert Report or Period-Specific Alert Report > Choose the query […]

Introduction to NSFOCUS WAF SNMP

December 22, 2023

Simple Network Management Protocol (SNMP) is an application-layer protocol that transmits management data between network devices. SNMP belongs to the Transmission Control Protocol/Internet Protocol (TCP/IP) family and is one of the most widely used network protocols for managing and monitoring network components across a variety of industries. The majority of network components come with an […]

NSFOCUS WAF Running Modes

November 7, 2023

NSFOCUS WAF supports multiple running modes. You can modify the running mode based on the network topology. Deployment Topology Deployment Topology can be set to In-Path, Out-of-Path, Reverse Proxy, Mirroring or Plugin-enabled. Mode Configuration Mode Configuration can be set to one of the following values (modes vary with deployment topologies): Emergency Mode After entering the […]

Introduction to WAF Exception Policy

October 27, 2023

Exception policies are supplements or restrictions to configured basic or advanced protection policies. On the Exception Policy page, you can create, edit, delete, and duplicate exception policies. You can also create and edit exception policies on the Website Protection page. Configuration procedure: Choose Security Management > Policy Management > Exception Policy, click Create in the […]

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. […]

Path Traversal Attack Protection

August 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

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 […]

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