SafeLine, an open‑source web application firewall, offers zero‑configuration, multi‑scenario protection against SQL injection, XSS, malicious crawlers, and brute‑force attacks, delivering 99% interception accuracy with minimal resource usage and a simple three‑step Docker deployment for small‑to‑medium sites.
This guide walks through installing LuaJIT, ngx_devel_kit, and lua-nginx-module, compiling Nginx with Lua support, fixing common libluajit errors, optionally installing OpenResty, and configuring the ngx_lua_waf module to protect web applications.
This article explains the critical Log4j2 remote code execution vulnerability, offers JD Cloud's free online scanning service, details rapid defense measures using Web Application Firewall and Starshield, and provides step‑by‑step mitigation and upgrade recommendations to protect Java applications.
The article explains the deserialization vulnerability (CVE-2019-17564) in Apache Dubbo when using HTTP, lists the impacted 2.5.x, 2.6.x, and 2.7.x versions, and provides mitigation steps including upgrading to 2.7.5 and applying Huawei Cloud WAF rules.
This article describes Ctrip's challenges with traditional hardware and cloud WAFs, presents a low‑cost, DNS‑based cloud WAF solution, and details its closed‑loop design, rule management, big‑data analytics, and machine‑learning techniques for accurate web security protection.
