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4CGuardNetwork Security
NEXT-GENERATION NETWORK SECURITY

Secure every connection.Control every threat.

4CGuard brings firewall protection, threat prevention, application control and secure connectivity into one centrally managed network security platform.

Designed for branch networks, data centers and distributed organizations.

Internet
4CGuard
Active
4C
Security GatewaySingle-Pass DPI
Branch
Data Center
Cloud
Remote Users
DEPLOYMENT MODELS & ENTERPRISE INTEROPERABILITY

Bare-Metal Hardware

1U/2U rackmount appliances with bypass & 10 GbE SFP+ interfaces.

Virtual Hypervisors

Certified for VMware ESXi, KVM, Nutanix AHV, and Proxmox.

Multi-Cloud Gateways

Native virtual gateway AMIs for AWS VPC, Azure VNet, and GCP VPC.

Identity Directory Sync

Native sync with Microsoft Active Directory, OpenLDAP, and FreeIPA.

SAML 2.0 & MFA

Federated zero-trust auth with Microsoft Entra ID, Okta, and Duo.

SIEM & SOC Telemetry

Streams structured RFC 5424 Syslog, CEF, and JSON to Splunk & Elastic.

THE ARCHITECTURAL CHALLENGE

Why legacy perimeter appliances fail in distributed networks

Perimeter security has evolved beyond static subnets and port filtering. Modern enterprise infrastructure requires application-layer classification, encrypted payload inspection, and synchronized zero-trust policies.

Port-Hopping Evasions

Modern applications and attacker toolkits bypass legacy port-and-IP firewalls by dynamically hopping across standard web ports.

Operational Impact

Perimeter firewalls remain blind to unauthorized protocols and encrypted malware downloads.

Encrypted Threat Blindspots

Over 90% of web traffic is encrypted with TLS 1.3. Without dedicated hardware-accelerated inspection, threats pass unchecked.

Operational Impact

Ransomware command-and-control beacons operate undetected within HTTPS channels.

Shadow IT & Unsanctioned SaaS

Employees utilize personal cloud storage and unapproved web tools, leaking sensitive corporate data past traditional filters.

Operational Impact

Regulatory compliance violations (PCI DSS, HIPAA, GDPR) and critical data exfiltration risks.

Multi-Branch Policy Drift

Managing distinct firewall interfaces across distributed offices leads to configuration errors, stale rules, and security gaps.

Operational Impact

High operational costs, slow branch rollout cycles, and security vulnerability exposure.

UNIFIED ARCHITECTURE

One architecture. One pass. Complete Layer 7 control.

Instead of chaining separate appliances that introduce latency, buffer bloat, and policy friction, 4CGuard executes stateful firewalling, deep packet inspection, application control, and identity enforcement in a single-pass processing pipeline.

Single-Pass Engine

Packets are decoded, matched against intrusion signatures, and evaluated for policy in a single deterministic pass.

Identity-Bound Rules

Policies bind directly to Active Directory and Okta user groups rather than ephemeral, fluctuating IP addresses.

Single-Pass Packet Processing FlowDeterministic

1. Ingress & Stream Reassembly

Anti-spoofing validation, SYN flood defense, and TCP flow tracking

L3/L4

2. Hardware-Accelerated Decryption

AES-NI offloaded TLS 1.3 decryption with strict privacy bypass rules

AES-NI

3. Core Unified Inspection Matrix

Stateful NGFW + IPS signatures + App-ID + URL filter + Identity match

Layer 7

4. Policy Enforcement & Egress

WireGuard/IPsec tunnel encapsulation, QoS shaping, and SIEM telemetry

Egress
SECURITY CAPABILITIES

Nine integrated security modules

Every engine operates inside the unified 4CGuard single-pass pipeline, sharing state tables and threat intelligence in real time without multi-hop inspection overhead.

01

Next-Generation Firewall (NGFW)

Network Security

4CGuard Next-Generation Firewall delivers full-spectrum Layer 7 packet inspection, stateful connection tracking, and zero-trust segmentation to protect enterprise perimeters, branches, and data centers against modern network threats.

02

Intrusion Prevention System (IPS)

Threat Defense

4CGuard IPS delivers high-speed signature matching, protocol anomaly detection, and automated threat neutralization to protect network services against unpatched exploits, remote code execution, and brute-force attacks.

03

Web Filtering & Content Security

Content Control

4CGuard Web Filtering provides real-time URL categorization, malicious DNS interception, and granular policy enforcement to protect users against phishing domains, credential harvesters, and non-compliant web content.

04

Application Control & Microservice Visibility

Traffic Management

4CGuard Application Control identifies, prioritizes, throttles, or blocks thousands of web applications, cloud services, and shadow IT protocols regardless of port or encryption techniques.

05

Enterprise VPN & Secure Connectivity

Connectivity

4CGuard Enterprise VPN provides high-throughput site-to-site mesh connectivity and secure client-to-site remote access with modern encryption, multi-factor authentication, and zero-trust access controls.

06

Deep SSL/TLS Inspection

Decryption & Inspection

4CGuard SSL/TLS Inspection decrypts, evaluates, and re-encrypts encrypted traffic streams in real time, enabling the NGFW, IPS, and Web Filtering engines to stop malware payloads and data exfiltration hidden within HTTPS.

07

Real-Time Threat Intelligence

Threat Defense

4CGuard Threat Intelligence continuously ingests global security telemetry, malicious IP/domain reputation scores, and zero-day indicators of compromise (IOCs) to dynamically protect your network before attacks materialize.

08

Reporting, Analytics & Compliance

Visibility & Auditing

4CGuard Reporting & Analytics delivers real-time network visibility, interactive forensic log exploration, and automated compliance reports for standards including PCI DSS, HIPAA, and ISO 27001.

09

Centralized Management Console

Orchestration

4CGuard Centralized Management provides a unified single-pane-of-glass console to orchestrate firewall policies, push software updates, and monitor operational health across distributed enterprise locations and multi-cloud environments.

FLEET ORCHESTRATION

Manage distributed firewalls from one centralized interface

Eliminate configuration drift, reduce remote site maintenance, and apply uniform security policies across hardware appliances, virtual hypervisors, and cloud gateways.

Hierarchical Policy Inheritance

Define corporate security baselines at the root tier and push them across branch clusters with explicit, auditable local override policies.

Zero-Touch Branch Provisioning

New appliances automatically establish an encrypted mTLS session, authenticate, and download assigned configurations on initial boot.

Multi-Tenant Delegated Administration

Scoped role-based access control (RBAC) allows regional teams and service providers to manage isolated customer perimeters.

MANAGED FLEET // ACTIVE DEPLOYMENTSSYNCHRONIZED
HQ-Core-Cluster-01

10 GbE SFP+ Active-Passive HA • 192.168.1.1

Policy v4.2.8
DC-Workload-Gateway-East

Virtual AWS Transit VPC • 10.200.0.1

Policy v4.2.8
Retail-Branch-Fleet

Zero-Touch WireGuard Mesh (1 GbE RJ45)

Template: Retail_v4
CONFIGURATION REVISION: 4.2.80 Policy Conflicts
NETWORK TOPOLOGY

Synchronized security across hybrid infrastructure

4CGuard coordinates perimeter defenses, distributed branch offices, private data centers, and remote workers into a unified mesh managed through authoritative policy distribution.

01 / MICROSEGMENTATION

Isolates database and application subnets with Layer 7 controls.

02 / MESH CONNECTIVITY

WireGuard and IPsec tunnels connect branches with automated dynamic routing.

03 / TELEMETRY STREAMING

Streams structured CEF and RFC 5424 Syslog events to external SIEM platforms.

TOPOLOGY // DISTRIBUTED ARCHITECTUREAUTHORITATIVE

4CGuard Central Management Console

Authoritative Policy Engine & Global Threat Feed Sync

CORE

Branch Office & Retail Edge

Local NGFW inspection with automated cloud template sync

EDGE

Data Center Server Clusters

Low-latency microsegmentation across 10 GbE SFP+ interfaces

DATA CENTER

Remote Workforce WireGuard VPN

Least-privilege remote access with mandatory MFA verification

REMOTE

Multi-Cloud Transit Gateways

Virtual firewall instances for AWS, Azure, and Google Cloud

CLOUD

Threat Telemetry & SIEM Exporters

Real-time IOC synchronization and structured compliance audit logs

TELEMETRY
DEPLOYMENT BLUEPRINTS

Engineered for modern enterprise architectures

Whether securing a corporate campus, distributed retail branches, low-latency data centers, or MSP multi-tenant fleets, 4CGuard adapts to your deployment topology.

Enterprise Architecture

Enterprise Campus & Core Security

4CGuard Enterprise Campus Security delivers wire-speed Layer 7 inspection, zero-trust microsegmentation, and Active Directory integration to protect complex multi-building enterprise networks from perimeter intrusions and lateral malware spread.

Enterprise CISOsArchitecture Guide
Distributed Branch

Distributed Branch Office Security

4CGuard Branch Office Security enables organizations to protect distributed branch locations and retail stores with zero-touch provisioning, synchronized security policies, and reliable mesh VPN connectivity.

Network AdministratorsArchitecture Guide
High-Throughput Core

Hybrid Data Center Defense

4CGuard Data Center Defense provides ultra-low latency, high-throughput Layer 7 protection and north-south/east-west microsegmentation for physical data centers, private clouds, and hybrid infrastructure.

Data Center EngineersArchitecture Guide
Zero Trust Remote

Secure Remote Workforce Protection

4CGuard Remote Workforce Protection delivers high-performance WireGuard and IPsec VPN connectivity with mandatory MFA, endpoint posture checks, and least-privilege zero-trust access controls for hybrid and remote teams.

IT DirectorsArchitecture Guide
Multi-Tenant MSP

Managed Service Providers (MSPs & MSSPs)

4CGuard MSP Platform provides Managed Service Providers and MSSPs with complete multi-tenant firewall management, delegated client administration, automated deployment templates, and recurring revenue business models.

ENGINEERING DIFFERENTIATION

Architectural advantages built for enterprise reliability

Engineered from first principles to unify deep packet inspection, real-time identity binding, and centralized fleet management without architectural sprawl.

Single-Pass Stream Engine

Packets are inspected once for application classification, IPS signatures, URL categories, and malware filters simultaneously, eliminating redundant memory buffering.

Native Identity Context

Policies bind directly to user objects and security groups synchronized in real time from Microsoft Active Directory, replacing brittle IP-based access lists.

Virtual Patching Defense

High-confidence exploit signatures neutralize zero-day vulnerabilities inline, shielding unpatched internal hosts during emergency testing cycles.

Hardware-Offloaded Cryptography

Dedicated instruction-set acceleration (AES-NI) enables wire-speed SSL/TLS 1.3 decryption without introducing network latency bottlenecks.

Zero-Trust Microsegmentation

Enforces stateful isolation between internal departments, guest subnets, IoT devices, and database clusters to halt lateral threat movement.

Zero-Touch Fleet Synchronization

Hierarchical configuration management enables automated branch provisioning and fleet-wide atomic policy deployment from a single console.

DEPLOYMENT OPTIONS

Deploy anywhere your network workloads operate

Run 4CGuard as bare-metal hardware, a virtualized hypervisor gateway, or a native cloud instance without sacrificing inspection depth or centralized management.

Form FactorSpecificationsTarget Environment

Hardware Appliances

1U/2U rackmount, bypass NICs
  • 1U and 2U enterprise chassis options
  • 1 GbE RJ45 & 10 GbE SFP+ fiber interfaces
  • Redundant hot-swappable AC power supplies
  • Hardware bypass fail-open protection
Campus core, enterprise data center perimeters, high-throughput regional headquarters.

Virtual Appliances

Hypervisor gateway
  • VMware ESXi, KVM, Nutanix AHV, Proxmox
  • Scalable vCPU and memory allocation
  • PCIe SR-IOV passthrough acceleration
  • Instant snapshot, backup, and state cloning
Private cloud server clusters, virtualized branch edges, isolated lab environments.

Cloud VPC Instances

Native transit firewall
  • AMI / VHD images for AWS, Azure, GCP
  • Native integration with cloud transit gateways
  • Autoscaling groups and load balancing
  • Unified policy sync with on-premise hardware
Hybrid cloud architectures, multi-region transit VPC peering, container security.

High Availability Cluster

Stateful redundancy
  • Active-Passive stateful session failover
  • Active-Active load distribution mode
  • Sub-second heartbeat synchronization
  • Automated link and power failure detection
Mission-critical financial, healthcare, defense, and industrial control environments.
TECHNICAL RESOURCES

Engineering guides & threat telemetry

View all articles
Architecture Guide2026-07-318 min read

Integrating 4CGuard with Active Directory & Enterprise Identity Stacks

How 4CGuard bridges deep packet inspection with Microsoft Active Directory and LDAP to enable user-aware firewall policies and dynamic RBAC.

Threat Research2026-07-206 min read

Virtual Patching: Mitigating Zero-Day Vulnerabilities Before Patch Deployment

How inline intrusion prevention signatures shield mission-critical servers from active exploits during emergency patch testing cycles.

In review
Compliance & Best Practices2026-07-107 min read

Deep SSL/TLS 1.3 Inspection: Balancing Threat Visibility with Data Privacy

Implementing hardware-accelerated decryption while enforcing compliance bypasses for banking and healthcare portals.

In review
TECHNICAL FAQ

Frequently Asked Questions

Technical insights into the 4CGuard Next-Generation Firewall engine, identity integrations, and deployment models.

4CGuard is an enterprise-grade Next-Generation Firewall (NGFW) and unified network security platform. It combines Layer 7 Deep Packet Inspection (DPI), Intrusion Prevention (IPS), Web Filtering, Application Control, encrypted WireGuard/IPsec VPN tunneling, and centralized policy management to protect enterprise perimeters, branch offices, and data center workloads.

TECHNICAL EVALUATION

Evaluate 4CGuard on your network topology

Schedule an architectural walkthrough with a network security engineer. Review Layer 7 inspection rules, encrypted payload decapsulation, and Active Directory policy integration.

Topology & throughput sizing review
Virtual & hardware appliance evaluation
Active Directory & Okta integration