VMware vDefend Gateway Firewall

VMware vDefend Gateway Firewall provides enterprise next-generation firewall capabilities for north-south perimeter security and security zone enforcement. It deploys as a VM or ISO on standard vSphere hosts — no specialized firewall hardware required. An add-on to VMware Cloud Foundation.

Best for

  • North-south perimeter security without hardware appliances
  • Security zone enforcement in multi-tenant private clouds
  • Next-generation firewall with IDS/IPS and malware detection
  • Replacing physical firewall appliances at branch and edge
VMware vDefend Gateway Firewall — north-south perimeter security

North-south perimeter security for VMware Cloud Foundation

The Perimeter Security Problem

What is VMware vDefend Gateway Firewall?

VMware vDefend Gateway Firewall is an enterprise next-generation firewall that protects north-south traffic — data entering and leaving the network or crossing security zone boundaries. It runs as a VM or ISO on standard vSphere hosts, provides Layer 3-7 inspection with IDS/IPS, malware detection, TLS decryption, and URL filtering. It is an add-on subscription to VMware Cloud Foundation.

Organizations running private cloud infrastructure face three common perimeter security challenges. The vDefend Gateway Firewall addresses each without requiring dedicated hardware appliances or separate management consoles.

Icon representing perimeter security gaps

Perimeter Security Gaps

Traditional perimeter firewalls create a single choke point at the data center edge. Traffic between internal security zones often bypasses inspection entirely. Attackers who breach the perimeter move laterally without restriction.

The Gateway Firewall enforces security policies at every zone boundary — not just the data center edge — so traffic between tenants, departments, and workload tiers is inspected and controlled.

Icon representing zone security complexity

Zone Security Complexity

Creating and managing security zones with physical firewalls requires complex network topology changes, VLAN reconfiguration, and hardware provisioning for each new zone. Adding a new tenant or department means weeks of planning and cabling.

The Gateway Firewall defines security zones in software. New zones are provisioned in minutes through the NSX console — no network rewiring required.

Icon representing hardware firewall costs

Hardware Firewall Costs

Dedicated firewall appliances require significant capital investment, ongoing maintenance contracts, and periodic hardware refreshes. Scaling capacity means purchasing additional appliances, often with long lead times.

The Gateway Firewall deploys as a VM on existing vSphere hosts. Scaling is a matter of deploying additional instances — no hardware procurement, no rack space, no additional maintenance contracts.

When Organizations Deploy the Gateway Firewall

The vDefend Gateway Firewall is designed for specific security scenarios where north-south inspection and zone-based controls are required. Use these use cases to evaluate whether it matches your environment.

Multi-tenant security

Multi-Tenant Security

Organizations running multiple tenants, business units, or customer environments on shared infrastructure need isolation guarantees. The Gateway Firewall creates isolated security zones per tenant with full Layer 3-7 inspection at every zone boundary.

Typical scenario: A managed services provider hosts 50 customer environments on a shared VCF platform. The Gateway Firewall enforces strict traffic separation between tenants, with per-tenant IDS/IPS policies and independent logging — meeting compliance requirements without dedicated hardware per customer.

Security zone enforcement

Security Zone Enforcement

Environments migrating from physical network segmentation to software-defined zones. The Gateway Firewall replaces physical-to-virtual boundary controls, enforcing security policies between DMZ, production, development, and management zones.

Typical scenario: A financial institution segments its private cloud into four zones — DMZ, transaction processing, customer data, and management. The Gateway Firewall inspects all traffic crossing zone boundaries, applying different security policies per zone. PCI-DSS audit requirements are met through centralized policy management and logging.

Branch office perimeter

Branch Office Perimeter

Branch offices and remote sites that need next-generation firewall capabilities at the edge — without backhauling traffic to a central data center for inspection. The Gateway Firewall runs locally on vSphere hosts at each site.

Typical scenario: A retail chain with 200 locations deploys the Gateway Firewall at each branch on a 2-node vSphere cluster. Local internet breakout traffic is inspected on-site with IDS/IPS and URL filtering — eliminating the latency of backhauling through a central firewall and removing single-point-of-failure dependencies.

North-south threat defense

North-South Threat Defense

Organizations that need full advanced threat prevention at the network perimeter — IDS/IPS, malware detection, TLS decryption, and URL filtering — integrated into the same management console as their east-west security.

Typical scenario: A healthcare system deploys the Gateway Firewall at the perimeter with TLS decryption enabled for inbound traffic. Malware detection catches threats that encrypted inspection on the previous hardware firewall missed. Combined with the Distributed Firewall for east-west coverage, the security team manages both from a single NSX console.

Gateway Firewall vs. Distributed Firewall

VMware vDefend includes two complementary firewall products. Understanding the difference helps you determine which one — or both — your environment requires.

Capability
Gateway FirewallNorth-South
Distributed FirewallEast-West
Traffic Coverage
Traffic direction
North-south (perimeter & zone boundaries)
East-west (between workloads)
Enforcement point
Gateway / zone boundary
Hypervisor vNIC level
Primary use
Perimeter security, zone segmentation
Micro-segmentation, lateral movement prevention
Capabilities
Layer 3-7 inspection
Yes
Yes
IDS/IPS
Yes
Yes
Malware detection
Yes
Yes
TLS decryption
Yes
No
URL filtering
Yes
No
FQDN filtering
Yes
Yes
Operations
Management console
NSX Manager
NSX Manager
Deployment model
VM or ISO on vSphere hosts
Built into vSphere hypervisor kernel
High availability
Active-active across multiple firewalls
Inherent — runs on every host
Dedicated hardware required
No
No

When to deploy both

Most enterprise environments deploy both firewalls together. The Gateway Firewall protects traffic entering the network and crossing zone boundaries. The Distributed Firewall protects traffic between workloads within zones. Both are managed from a single NSX console, share the same policy framework, and provide unified logging and analytics.

The VMware vDefend Product Family

VMware vDefend is a suite of advanced security products that extend VMware Cloud Foundation. Each product addresses a different layer of data center security. All are managed from the NSX console.

Gateway FirewallThis Product
Distributed Firewall
Advanced Threat Prevention
Focus Area
Security domain
North-south perimeter & zone security
East-west micro-segmentation
Advanced malware & network detection
What it protects
Traffic entering the network, crossing zone boundaries
Traffic between workloads within the data center
Known and unknown threats, zero-day attacks
Deployment
VM or ISO on vSphere hosts
Built into vSphere hypervisor kernel
Cloud-delivered threat intelligence
Key Capabilities
NGFW (L3-7)
Yes
Yes
N/A
IDS/IPS
Yes
Yes
Enhanced
Malware detection
Yes
Yes
Advanced (sandboxing)
TLS decryption
Yes
No
N/A
URL filtering
Yes
No
N/A
Network traffic analysis
Basic
Basic
Advanced (behavioral)

Licensing & Buying Guidance

VMware vDefend Gateway Firewall — Buyer FAQ

The Gateway Firewall handles north-south traffic — data entering and leaving the network or crossing security zone boundaries. It operates at gateway and zone boundary enforcement points.

The Distributed Firewall handles east-west traffic — lateral communication between workloads inside the data center. It operates at the hypervisor vNIC level on every host.

Both are managed from the same NSX console and share the same policy framework. Most enterprise environments deploy both together for complete coverage — the Gateway Firewall for perimeter and zone security, the Distributed Firewall for workload-level micro-segmentation.

No. The vDefend Gateway Firewall deploys as a virtual machine or ISO image on standard vSphere hosts. There is no requirement for specialized firewall hardware.

This eliminates hardware refresh cycles and allows the firewall to scale with your virtualization infrastructure. When you need more capacity, deploy additional firewall instances on existing hosts.

The vDefend Gateway Firewall is an add-on subscription to VMware Cloud Foundation. It is not available as a standalone product — VCF is required as the base platform.

It can be purchased with or without the Distributed Firewall. Organizations that need both north-south and east-west security typically purchase them together for consolidated licensing and management.

Contact a VirtualizationWorks specialist for pricing based on your environment size and security requirements.

Yes. The vDefend Gateway Firewall includes TLS decryption capabilities, allowing it to inspect encrypted traffic for threats, malware, and policy violations.

This is a key differentiator from the Distributed Firewall, which does not support TLS decryption. For environments where a significant portion of traffic is encrypted, the Gateway Firewall's TLS inspection capability is essential for effective threat detection at the perimeter.

The Gateway Firewall includes a comprehensive set of threat prevention capabilities:

  • IDS/IPS: Full intrusion detection and prevention with signature-based and behavioral analysis
  • Malware detection: Advanced threat prevention integration for known and unknown malware
  • TLS decryption: Inspect encrypted traffic without requiring application changes
  • URL filtering: Web traffic control with category-based filtering policies
  • FQDN filtering: Domain-based access controls for outbound traffic
  • User/application identification: Layer 7 application awareness with user identity context

These capabilities work together to provide comprehensive perimeter security. For organizations requiring additional threat analysis — such as sandboxing and behavioral network traffic analysis — the vDefend Advanced Threat Prevention add-on extends these capabilities further.

vDefend Gateway Firewall Resources

Talk to a VMware Security Architect

VirtualizationWorks is an authorized VMware reseller. We help IT teams evaluate vDefend security products, compare Gateway and Distributed Firewall options, plan hardware firewall replacement, and design zone-based security architectures for VMware Cloud Foundation.

Request vDefend Gateway Firewall Information