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Overview A Web Application Firewall (WAF) filters HTTP/HTTPS traffic to protect web applications from common exploits such as SQL injection, cross-site scripting (XSS), and DDoS/CC attacks. By leveraging Nginx’s event-driven architecture and Lua’s lightweight scripting capabilities via the lua-nginx-module, a high-performence, rule-based WAF ca ...

Deployment Overview This guide covers the complete binary-based deployment of Kubernetes version 1.18 with high availability configuration. The setup includes a three-node etcd cluster, multi-master architecture, and load balancing infrastructure. Software Requirements Component Version/Source Purpose CentOS 7.7+ Host operating system ...

ngx_php7 is a high-performance, non-blocking Nginx module that embeds PHP 7 directly into the web server process—similar in architecture and intent to ngx_lua. It enables inline PHP execution at various Nginx request-processing phases without relying on external processes like PHP-FPM, mod_php, or CGI gateways. Developed as a open-source extens ...

Securing Internal Pods with HTTPS via Ingress When the internal pods communicate over HTTPS, the Ingress must be configured accordingly to ensure proper handling of encrypted traffic. Below is an example configuration that sets up an NGINX Ingress to forward traffic to HTTPS backend services. apiVersion: networking.k8s.io/v1 kind: Ingress meta ...

Components of a Small-Medium Scale Website Architecture Customers/Users Visitors accessing the website Security Guard - Firewall (firewalld) Implements access control policies Receptionist - Load Balancer (nginx) Schedules and distributes incoming user requests Waiter - Web Server (nginx) Processes user requests Chef - Database Server ...

The worker_processes directive determines the number of worker processes Nginx should spawn. A typical Nginx instance runs one master process that manages multiple worker processes based on this setting. The default value is 'auto', which automatically creates a number of worker processes equal to the available CPU cores. When using SSL certifi ...

Nginx Overview Nginx is a high-performance HTTP server and reverse proxy known for low memory usage and strong concurrency support. It serves static content efficiently and handles dynamic content via CGI protocols like Perl and PHP, but requires Tomcat for Java applications. Optimized for high-load environments, Nginx supports up to 50,000 con ...

Let's Encrypt is a free, automated, and open Certificate Authority (CA) provided by the Internet Security Reseacrh Group (ISRG). It allows website owners to obtain trusted SSL certificates that are recognized by all major modern browsers. This guide demonstrates how to use the Certbot tool to generate and manage SSL certificates for Nginx on a ...

JavaWeb Fundamentals JavaWeb encompasses the technology stack used to build web-based applications using the Java programming language. The standard architecture for these applications is the Browser/Server (B/S) model. In this paradigm, the client requires only a web browser, while all application logic and data storage are maintained on the ...

INFINI Gateway OverviewINFINI Gateway is a specialized application gateway engineered specifically for Elasticsearch deployments, focusing on enhancing cluster performance, security, and operational manageability. Acting as a front-end proxy, it intercepts all client requests before forwarding them to backend Elasticsearch clusters, offering ad ...