VARNISH ARTIFACT FIREWALL

Control Software Dependencies at Request Time

Secure your software supply chain by blocking malicious or unapproved packages across CI/CD systems, distributed teams, and agentic AI workflows.

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Loved by Technologists

Used in production by Fortune 500s, broadcasters, SaaS platforms, and tech infrastructure leaders.

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Accelerate Delivery. Block Threats

Artifact Firewall is part of the Varnish infrastructure suite: A high-throughput, programmable reverse proxy engineered for scale-intensive HTTP environments. Varnish deploys inline between client systems and upstream origins to accelerate, secure, and control data delivery at the network perimeter.

From securing CI/CD runners and governing AI workflows to optimizing Git, Varnish enforces traffic policy across on-prem, cloud, and containerized environments.

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Scale Performance, Not Infrastructure

Reduce infrastructure strain, accelerate delivery, and maintain control across build pipelines, streaming, and enterprise systems.

Homepage Security

Secure the Software Supply Chain

Intercept unverified dependencies

Enforce security policies across CI/CD and AI workflows at the request level.

Homepage Devops

Accelerate Artifact Delivery

Eliminate build-time bottlenecks 

Cache container images and OCI artifacts at the edge to slash pull times.

Homepage CDN

Orchestrate Private & Sovereign CDNs

Deploy dedicated delivery infrastructure

Provision a self-hosted or SaaS CDN to keep control over UX, cost, and data residency.

Homepage Offload Git Traffic

Offload Git Traffic

Protect your origin from CI/CD runner spikes.

Collapse 1,000 runner requests into one, serving packfiles and LFS objects from the edge in microseconds.

Homepage Optimize Egress

Optimize Egress & Origin Load

Collapse redundant traffic into one upstream request.

Use request coalescing to protect databases and reduce cloud egress by 90%.

Homepage Accelerate AI

Accelerate AI Inference & Model Delivery

Stream and cache model weights. 

Minimize cold-start times and lower total inference latency for LLM deployments.

Homepage Object Storage

Speed Up Object Storage Queries

Pre-fetch S3-protocol objects. 

Reduce read-intensive cloud overhead and accelerate data-heavy application workloads.

Homepage Accelerate Web & API

Accelerate Web & API Performance

Optimize TTFB and offload requests.

Use edge caching and dynamic content composition to deliver sub-ms responses for websites and APIs.

For Platform Engineering & DevSecOps Leaders

Accelerate Global Build Pipelines

Varnish Orca co-locates your software registries at the cluster edge, ensuring machine-scale availability and eliminating CI/CD bottlenecks.

  • 15 → 3 Minute Build Loops: Recapture engineering velocity by eliminating daily developer wait times for artifact pulls.

  • 94% Data Transfer Reduction: Maximize Cache Hit Ratios to cut network data transfer costs by $1M+ annually.

  • Zero-Downtime Resilience: Maintain continuous deployment velocity even during upstream supplier outages or registry failures.

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Varnish Orca

For Infrastructure Architects & ML Platform Teams

Eliminate Data Stalls in AI/ML Workflows 

Varnish accelerates AI/ML workloads by caching exabyte-scale datasets locally, ensuring compute cores never wait for storage data.

  • 25% → 75% GPU Utilization: Triple effective compute capacity without provisioning more hardware.

  • 99.7% Egress Avoidance: Pull training data exactly once; serve it locally with zero recurring data transfer fees.

  • 75% Storage TCO Optimization: Focus performance tier spending strictly on active hot-data layer.

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Varnish AI Accelerator

The Varnish Platform

Engineered for Performance Density

Built on the globally trusted foundation of Varnish Cache, our enterprise stack delivers hardened, multi-tenant performance management across bare metal, hybrid and multi-cloud topologies.

Varnish Enterprise

A high-throughput, programmable proxy layer that provides line-rate reverse proxying, load balancing, and edge security.

  • Varnish Configuration Language: A domain-specific language transpiled to native C binaries at runtime for sub-millisecond request logic execution.

  • Varnish Modules: Low-overhead extensions for executing advanced cryptography and complex header manipulation without performance penalties.

  • Varnish-otel: Stream real-time metrics, traces, and structured JSON logs natively via OpenTelemetry directly to existing observability stack without introducing disk write or performance overhead.

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Users Love Us

Varnish is a technology platform that developers love, provides web experiences your users enjoy, and creates value that helps your business thrive.

But don't take our word for it, see what real Varnish users have to say about us.

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The Ultimate Solution for Fast, Secure, Scalable Delivery

Content Delivery & Load Balancing

Effortlessly balance traffic and accelerate content delivery at any scale, in any environment, with Varnish Enterprise's powerful caching and load balancing capabilities.

 

High Availability

Ensure reliable performance and minimal downtime, no matter the traffic volume or request complexity, with Varnish’s high-availability caching and failover systems.

 

Performance Acceleration

Boost performance with features like cache persistence and replication, compression and request coalescing to deliver faster content and reduce infrastructure load.

 

Operational Simplicity

Leverage Varnish Enterprise’s powerful management tools and APIs to configure caching, manage traffic, and dynamically update settings—all without disrupting service.

Security

Enhance security with built-in TLS, protect your infrastructure from DDoS attacks, block SQL/XSS vulnerabilities, and ensure compliance with secure content delivery protocols.

 

API Acceleration & Gateway

Streamline API delivery with high-performance caching, advanced routing, and security. Varnish Enterprise ensures rapid, scalable API management in cloud, on-premises, or Kubernetes environments.

 

Cloud-Native & Kubernetes Ready

Varnish integrates effortlessly with containerized infrastructures, providing caching and load balancing for modern microservices architectures, ensuring fast and reliable performance in dynamic cloud ecosystems.

 

Dedicated, Private Deployments

Varnish Enterprise is software for dedicated deployments, with the flexibility to customize caching to fit unique infrastructure needs. Unlike one-size-fits-all solutions, Varnish adapts to your architecture—whether on-premise, cloud-native or on the edge—ensuring optimal performance, security, and control.

Varnish Enterprise Product Suite

Varnish Enterprise

Content Delivery

Caching
  • Edge Caching
  • Edge Compute
  • Disk Storage
  • Security Tooling
Origin Shield
  • Traffic Offload
  • Downtime Defense

Varnish Controller

Control Plane

Configuration
  • Orchestration
  • Auto-scaling
  • Multi-tenancy
Monitoring
  • Real-time Analytics
  • Health Checks
  • Performance Data

Varnish Traffic Router

Request Routing

Load Balancing
  • High Availability
  • CDN Syncing
  • Traffic Offload
Traffic Routing
  • Flexible Routing
  • CDN Mapping

Learning and Support

Developer Resources

The Varnish Developer Portal is the place to learn about Varnish and VCL. It provides tutorials, install guides, documentation references and ways to engage with us and get help.

 

Record-Setting Benchmarks

Read our joint white paper with Intel to find out how Varnish Enterprise reached 1.5 Tbps single server performance with excellent power efficiency at up to 1.4 Gbps/ Watt for video streaming use cases.

Expert Help & Support

Varnish Software offers full commercial support for Varnish Enterprise, Varnish Controller and Varnish Traffic Router. Two levels of support, plus add-ons and Professional Services options make it easy to tailor support to your specific needs.

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Varnish 6 By Example

This ultimate Varnish guide provides everything you need to learn Varnish, scale web operations, build custom content delivery services, and level-up your Varnish skills.

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"It was very easy to get up and running and everything worked flawlessly, particularly as the Varnish Enterprise team was there to assist every step of the way"

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We’re happy to help with any questions you may have about our software, support, pricing or anything else Varnish related. We can assist you in finding the solution that best fits your needs and set up trials too.

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  • Varnish experts are available to answer your technical questions and help you find the solution you need.
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We have offices across the globe who can help answer any questions you may have.

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