vSRX Virtual Firewall

The Juniper vSRX Virtual Firewall offers the same rich feature set as our physical SRX Series Firewalls in a virtualized form factor. It supports next-generation firewall (NGFW) capabilities, networking, and automated lifecycle management. Security services scale to match network demand, operating at speeds up to 200 Gbps.

The vSRX supports Juniper Contrail Networking and third-party software-defined networking (SDN) solutions. It also integrates with cloud orchestration tools such as OpenStack. Juniper Security Director with Policy Enforcer automates policy enforcement and provides centralized visibility and management of both physical and virtual assets through a common interface.

Key Features

Virtual CPU



32/64 GB

Firewall performance (max)

200 Gbps (VMware)/200 Gbps (KVM)

Maximum concurrent sessions

12/28 million

Features + Benefits

Advanced Threat Prevention

Dynamically protect your network against the latest threats with Juniper Advanced Threat Prevention security services. Juniper ATP integrates capabilities such as malware sandboxing, threat intelligence feeds, and Juniper Encrypted Traffic Insights, which detects malware hidden in SSL-encrypted traffic.

Next-Generation Firewall

Detect and mitigate threats using software-enabled NGFW features, including an intrusion prevention system (IPS), application security (AppSecure), user identity services, and role-based access control (RBAC). For content security, the firewall supports integrated network antivirus, antispam, and enhanced web filtering capabilities.

Juniper Secure Connect

Our highly flexible SSL VPN and IPsec application provides remote employees with dynamic, adaptive, and secure VPN access to corporate and cloud resources.

Public Cloud Workload Protection

The vSRX provides unmatched protection for workloads running on Amazon Web Services, Microsoft Azure, and Google Cloud Platform public clouds.

Fast and Scalable

The firewall scales up to 200 Gbps for ultra-high-performance network protection across public and private clouds.


EVPN-VXLAN (EVPN Type 5 route) configuration supported across all Juniper SRX Series Firewalls embeds security across the entire EVPN-VXLAN fabric, everywhere your workloads are.

AI-Predictive Threat Prevention

AI-Predictive Threat Prevention feature keeps known and zero-day threats off the network at line rate for the entire attack lifecycle—not just for 24 hours—helping your network stay safe from initial and subsequent attacks.

Platform Flexibility

The vSRX supports VMware ESXi, NSX, and KVM (Centos, Ubuntu) platforms, as well as orchestration with vRealize Orchestrator and OpenStack.

99.9% Security Effectiveness

Juniper received an “AAA” rating in CyberRatings’ 2023 Enterprise Network Firewall Report, demonstrating a 99.9% exploit block rate with zero false positives.

Read report


Banca di San Marino Safeguards Financial Assets with Unified Cybersecurity

Perimeter security alone is no longer enough to keep sophisticated cybercriminals at bay. To comply with new banking and data privacy regulations while maintaining the security of more than €200 million in total assets, Banca di San Marino turned to unified, adaptive cybersecurity.

Discover 283% ROI with Juniper Connected Security

Check out the recent Forrester Total Economic Impact™ of Juniper Connected Security report to learn more.

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Find vSRX in these solutions


Make your network threat aware. The Juniper Connected Security portfolio safeguards users, data, and infrastructure by extending security to every point of connection, from client to cloud, across the entire network.


AI-based insights and automation simplify deployments and reduce troubleshooting time while a tunnel-free architecture eliminates inefficiencies, scaling limitations, and cost constraints of legacy solutions.

Next-Generation Firewall

Juniper next-generation firewalls reduce the risk of attack and provide granular control of data, users, and devices through identity-based policies, microsegmentation, VPN connectivity, and validated threat prevention.

Public Cloud Security

Accelerate public cloud adoption securely with simple deployment, consistent security, and unified management experience at every level: within workloads, between applications and instances, and across environments.

Zero Trust Data Center Security

Juniper Zero Trust Data Center Security protects your distributed centers of data by operationalizing security and extending zero trust across networks to prevent threats with proven efficacy. With unified management, context-driven network-wide visibility, and a single policy framework, Juniper safeguards users, data, and infrastructure across hybrid environments.