SEC-INTEL DECLASSIFIED ARCHIVE

The Security Vault

Low-level engineering breakdowns, protocol simulators, and packet architecture deep dives across SASE, Zero Trust, Next-Gen Firewalls, and Application Delivery.

07 Articles
05 Simulators
67 Min Reading
100% Open Access
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Showing 7 of 7 articles
★ LATEST RELEASE Zero Trust · ZCC Interactive Simulator 📅 Sep 14, 2026 · 11 min read

Zscaler Tunnel 1.0 vs Z-Tunnel 2.0: Transport Schematic, Architecture & Protocol Simulator

Comprehensive transport schematic and multi-mode interactive simulator comparing HTTP CONNECT proxy forwarding against DTLS/TLS packet tunneling. Test protocol compatibility across SSH, DNS, RDP, and VoIP, explore packet filter drivers, understand fallback rules, and master enterprise migration.

Zscaler Client Connector Tunnel 1.0 Z-Tunnel 2.0 DTLS / TLS Packet Filter Driver Fallback Architecture
ZIA vs ZPA · SASE Interactive Simulator 📅 Sep 04, 2026 · 14 min read

Zscaler ZIA vs ZPA: Comprehensive Architectural Deep Dive & Interactive Simulator

Two pillars of the Zscaler Zero Trust Exchange — one secures outbound enterprise access to the Internet & SaaS, while the other enforces brokered, zero-attack-surface access to internal private applications. Step through animated packet flows, inside-out tunnels, TLS termination, App Connectors, and 14-dimension comparative matrices.

Zscaler ZIA Zscaler ZPA ZTNA 2.0 App Connector Zero Inbound Ports SASE
Zero Trust / SASE Interactive Simulator 📅 Aug 30, 2026 · 12 min read

Mastering Zscaler URL Filtering: Rule Waterfall, Real-Time Categorization & User-Agent Control

Interactive 4-mode simulator exploring how Zscaler inspects outbound HTTP/S flows, evaluates sequential waterfall policies, classifies domains across 200+ categories, and parses client User-Agent headers to enforce device posture.

Zscaler ZIA URL Filtering Rule Waterfall User-Agent Control Zero Trust SASE
Zero Trust / SASE Interactive Simulator 📅 Aug 23, 2026 · 9 min read

Demystifying Zscaler SSL Inspection: The Dual-Handshake Architecture

Interactive visual simulator walking through how Zscaler terminates two distinct TLS sessions to decrypt, inspect DLP/malware payloads, and re-encrypt enterprise traffic in real time. Step through each packet hop, observe certificate pinning bypass logic, and understand exactly where decrypted plaintext exists in the data path.

Zscaler ZIA SSL Inspection TLS Dual-Handshake DLP Zero Trust SASE
F5 & ADC Interactive Simulator 📅 Aug 23, 2026 · 8 min read

Mastering F5 BIG-IP SSL Handshake Architecture: Offload, Bridging & Passthrough

Interactive multi-mode simulator exploring how F5 BIG-IP handles SSL Offloading, SSL Bridging (re-encryption), and Layer 4 SSL Passthrough at enterprise scale — with step-by-step packet animations.

F5 BIG-IP SSL Offload SSL Bridging SSL Passthrough LTM
NGFW & PAN-OS 📅 Aug 23, 2026 · 8 min read

Palo Alto PAN-OS Rulebase Hardening & Panorama Best Practices

Eliminating overly permissive 'Any/Any' rules using App-ID policy optimizer, configuring HA Active/Passive failover timers, and implementing outbound SSL decryption bypass profiles safely in enterprise Panorama deployments.

PAN-OS Panorama App-ID HA Failover SSL Decrypt
F5 & ADC 📅 Aug 23, 2026 · 5 min read

Optimising Enterprise App Delivery with F5 BIG-IP iRules & SSL Offloading

Writing production-ready TCL iRules for header manipulation and path-based traffic routing while offloading TLS handshakes to BIG-IP hardware for a 40% latency reduction and dramatic backend CPU savings.

F5 iRules TCL Scripting SSL Offloading Health Monitors OneConnect
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