{"id":94,"date":"2025-11-30T16:26:38","date_gmt":"2025-11-30T16:26:38","guid":{"rendered":"https:\/\/adler-tech.com\/?page_id=94"},"modified":"2026-04-14T09:25:37","modified_gmt":"2026-04-14T08:25:37","slug":"apache2-advanced-features","status":"publish","type":"page","link":"https:\/\/adler-tech.com\/?page_id=94","title":{"rendered":"Apache2 Advanced Features"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p><strong>2 days<\/strong> (16 hours total)<br>Focus: performance, reverse proxying, load-balancing, security modules, caching, advanced SSL, automation, troubleshooting.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Day 1 \u2013 Performance, Reverse Proxying, Caching, Architecture<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Advanced MPM &amp; Threading<\/strong><\/h3>\n\n\n\n<p>Event tuning in depth, thread\/workers model, CPU pinning, connection handling, keepalive queues, impact of slow clients.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Reverse Proxy Architecture<\/strong><\/h3>\n\n\n\n<p><code>mod_proxy<\/code> internal flow, request pipes, buffering, streaming, backend health checks, timeout tuning.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Load Balancing<\/strong><\/h3>\n\n\n\n<p><code>mod_proxy_balancer<\/code>, session stickiness, hot-standby nodes, lbmethods, draining nodes, failover behaviour.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Advanced Caching<\/strong><\/h3>\n\n\n\n<p><code>mod_cache<\/code>, disk vs memory caching, cache invalidation, key normalization, stale-while-revalidate, reverse proxy caching patterns.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Advanced Rewriting<\/strong><\/h3>\n\n\n\n<p>Deep <code>mod_rewrite<\/code> rules, complex conditions, dynamic maps, rewrite loops, performance considerations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. WebSockets &amp; Upgrade Handling<\/strong><\/h3>\n\n\n\n<p>Proxy WebSocket support, protocol upgrade, reverse proxy tuning for streaming and long-lived connections.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Day 2 \u2013 Security, TLS, Observability, Automation<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7. Advanced TLS<\/strong><\/h3>\n\n\n\n<p>TLS 1.3 tuning, cipher suites, OCSP stapling, ALPN behaviour, performance impacts, client fingerprinting considerations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>8. mod_security2 Deep Dive<\/strong><\/h3>\n\n\n\n<p>Rule writing, anomaly scoring, CRS tuning, whitelisting, false-positive analysis, request inspection pipeline.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>9. Advanced Authorization<\/strong><\/h3>\n\n\n\n<p>External auth providers, LDAP\/AD integration, JWT\/OAuth2 offload patterns, per-location auth flows.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>10. Rate Limiting &amp; DoS Protection<\/strong><\/h3>\n\n\n\n<p><code>mod_ratelimit<\/code>, request filtering, body size limits, timeout matrix, slowloris defense, reverse-proxy throttle logic.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>11. Logging &amp; Observability<\/strong><\/h3>\n\n\n\n<p>Custom log formats, JSON structured logs, correlation IDs, per-vhost log tuning, log piping, high-volume logging strategies.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>12. Performance Debugging<\/strong><\/h3>\n\n\n\n<p><code>mod_status<\/code>, scoreboard analysis, connection states, thread utilization, slow request hunting, backend latency isolation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>13. Automation &amp; CI\/CD Integration<\/strong><\/h3>\n\n\n\n<p>Config modularization, template-based deployments, git-based config repos, Apache test automation with <code>apachectl -t<\/code> &amp; containers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>14. Zero-Downtime Reload &amp; Rolling Deployments<\/strong><\/h3>\n\n\n\n<p>Graceful restarts, phased config rollout, draining traffic between nodes, how not to break long-lived connections.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2 days (16 hours total)Focus: performance, reverse proxying, load-balancing, security modules, caching, advanced SSL, automation, troubleshooting. Day 1 \u2013 Performance, Reverse Proxying, Caching, Architecture 1. Advanced MPM &amp; Threading Event tuning in depth, thread\/workers model, CPU pinning, connection handling, keepalive queues, impact of slow clients. 2. Reverse Proxy Architecture mod_proxy internal flow, request pipes, buffering, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":200,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-94","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Apache2 Advanced Features - ADLER-TECH<\/title>\n<meta name=\"description\" content=\"Apache2 performance tuning, revers proxying, caching. 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