Juniper vSRX Virtual Firewall

Scalable stateful packet inspection, routing, VPN, intrusion prevention, application visibility and control, and cloud-native security services suitable for private, public and hybrid cloud environments.

To see our range of licenses, please click the ‘Subscription Options’ tab below.

What is the Juniper vSRX Virtual Firewall?

The Juniper vSRX Virtual Firewall is a software-defined, virtualised next-generation firewall (NGFW) delivering the same advanced security and networking feature set as physical Juniper SRX Series firewalls in a virtual form factor.

Built on Junos OS, vSRX is engineered to secure virtualised workloads across multi-tenant infrastructures while integrating with cloud orchestration platforms, SDN solutions, and centralised management tools. Its virtual form factor enables flexible deployment in VMware ESXi, KVM, and public cloud environments, scaling performance to match dynamic traffic and security demands.

Core Capabilities

  • Next-Generation Firewall (NGFW): Stateful firewall, IPS, application security, user identity services, and role-based access control enforce robust network security across virtual environments.

  • Advanced Threat Prevention: Integrates content security, malware sandboxing, real-time threat intelligence, and encrypted traffic insights to defend against modern threats.

  • Routing & VPN: Full routing capabilities, NAT, and high-performance IPsec/SSL VPN provide secure connectivity and traffic segmentation.

  • EVPN-VXLAN Fabric Security: Embedded support for EVPN-VXLAN extends consistent security policy across virtualised fabric overlays.

  • Scalable Virtual Performance: Supports flexible vCPU and memory scaling to match throughput and session requirements up to high-performance thresholds.

  • Centralised Management: Works with Juniper Security Director or Junos Space for unified policy configuration and visibility across virtual and physical firewalls.

  • Cloud & Orchestration Integration: Integrates with public cloud marketplaces and orchestration platforms such as OpenStack, providing automated provisioning and lifecycle management.

Deployment and Integration

  • vSRX can be deployed on standard x86 hypervisors (e.g., VMware ESXi, KVM) and major public cloud marketplaces (AWS, Azure, GCP), offering flexible licensing options including Bring-Your-Own-License (BYOL) and pay-as-you-go. These deployment options enable organisations to secure virtual networks and inter-cloud connectivity while maintaining consistent policy and operational control.
  • Integration with SDN and NFV platforms such as Juniper Contrail and third-party solutions supports automated orchestration and dynamic service chaining in software-defined environments.

Steel City Consulting is a certified Juniper partner with expertise in vSRX Virtual Firewall licensing selection and enablement. Our specialists help align vSRX implementations with your architectural and security requirements, ensuring correct sizing, integration with cloud and orchestration tools, and consistent policy management across hybrid environments. Submit an enquiry to get started.

Juniper vSRX: Uses, Features & Benefits

  • Next-Generation Security Services: vSRX consolidates firewall, intrusion prevention, application visibility and threat mitigation capabilities into a virtualised platform, enabling consistent enforcement of security policies across virtual, cloud, and hybrid workloads. This reduces attack surface risk and improves resilience against evolving threats.
  • Advanced Threat Protection and Content Security: Integrated advanced threat prevention — including malware detection, encrypted traffic inspection, content filtering, and sandboxing — dynamically protects against sophisticated threats across all traffic flows.
  • Scalable Performance for Cloud and Virtualised Environments: With flexible vCPU and memory scaling and support for cloud marketplace deployment, vSRX can match performance requirements as workload and traffic demands grow without requiring physical hardware changes.
  • Centralised Policy Management: Unified management via Juniper Security Director provides administrators with a central point for policy definition, visibility, and enforcement across physical and virtual firewalls, reducing operational overhead and configuration inconsistency.
  • Integrated Routing and Secure Connectivity: Combining full routing and firewall services with high-performance VPN support, vSRX secures segmented network zones and enables encrypted connectivity between sites, clouds, and virtual networks.
  • Cloud-Native and Orchestration Support: vSRX integrates with major cloud orchestration platforms and supports automated provisioning and lifecycle operations, enabling faster time to value and reduced manual intervention in dynamic environments.
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Juniper vSRX Virtual Firewall Licensing Options
Base vSRX (Junos OS Firewall – included)
Core virtual firewall and routing functionalityIncludes: Junos OS. Stateful firewall. Network address translation (NAT). IPv4 and IPv6 routing. IPsec and SSL VPN. Virtual form-factor deployment (VMware, KVM, public cloud). Centralised management support (Junos Space / Security Director).
Advanced Security Services Subscription
Threat prevention and application-level securityIncludes: All Base vSRX features, plus: Intrusion Prevention System (IPS). Application visibility and control (AppSecure). User identity–based policies. Security intelligence updates via Juniper threat feeds. Encrypted traffic inspection (supported use cases).
Premium Security Services Subscription
Advanced threat detection and malware protectionIncludes: All Advanced Security Services features, plus: Advanced malware protection. Cloud-based threat analysis and sandboxing (Juniper ATP Cloud integration). Zero-day threat detection. Command-and-control (C2) threat protection.
Cloud Marketplace Licensing Models (deployment-specific)
Commercial consumption modelsIncludes: Bring Your Own License (BYOL). Pay-As-You-Go (PAYG) via public cloud marketplaces. Subscription terms aligned to vCPU sizing. Usage-based billing in supported cloud environments.

Documentation

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