Air-Gapped Private CA · 100% Offline Ready

Designed for Team LANs, Homelabs, and Private Clouds
Air-Gapped Private CA & Automated Mount Hub

Bypass public CA limits. Issue trusted green locks for private IPs, internal domains, NAS, and dev clusters; native zero-touch IIS & Nginx auto-mounting, lightweight single-container launch, 3 nodes free forever.

Broad support for cross-platform trust ecosystems and automated server mounting:
iOS Android Windows (AD GPO)macOSLinuxIIS Auto-BindingNginx Hot ReloadDocker
v1.0.096MB
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Step 1: Download & Extract Suite

The offline bundle contains the pre-packaged Hub Docker image, Go agent binaries, and cross-platform installation scripts.

tar -zxvf certagent-private-*.tar.gz
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Step 2: Run One-Click Installer

Execute bash install.sh on Linux/macOS or run-offline.bat on Windows. It automatically loads images and launches the appliance.

bash install.sh / run-offline.bat
Core Capabilities

Tackle Intranet HTTPS Challenges: Geek-Lightweight Meets Enterprise-Grade

From personal NAS and private IP green locks to automated IIS & Nginx agent mounting, complete lifecycle protection.

RFC 1918 Private IP

Authoritative Private IP & LAN Green Locks

Breaks through public CA limits. Full support for RFC 1918 private IPs (192.168.x.x, 10.x.x.x), .local domains, single hostnames (nas, oa), and wildcards, banishing 'Not Secure' warnings permanently.

IIS & Nginx Auto-Bind

Zero-Touch Automated Probe Mounting

Lightweight native Go agent automatically injects certificates into Windows IIS site bindings and Linux Nginx configs. Smooth zero-downtime hot reloads (reload) with zero human intervention.

PEM + Encrypted PFX

Multi-Format Offline Certificate & Key Export

One-click export for Linux / Nginx standard PEM fullchain & private keys, plus native password-protected Windows IIS standard PFX (PKCS#12) binary packages for heterogeneous fleets.

AD Group Policy (GPO)

Cross-Platform One-Click Trust & Active Directory GPO

Built for both individual homelabs and enterprise IT: one-click import scripts for personal endpoints, and central Active Directory GPO push for thousands of Windows clients to trust certificates on boot automatically.

RFC 8555 + CRL Revocation

Adaptive RFC Lifecycle Rotation & CRL Revocation

Complies with RFC 8555 lifecycle principles with adaptive auto-renewal (30/90/180/365 days). Built-in local Certificate Revocation List (CRL) for instant certificate revocation.

100% Air-Gapped

100% Air-Gapped Ready & Lightweight Single Container

Under 90MB single container with built-in self-healing storage. Zero external DB or cloud dependencies. Launches in seconds on mini PCs or air-gapped server racks.

Platform & OS Ecosystem

Seamless OS Trust & Automated Server Fleet Integration

Bridging enterprise trust across mobile handhelds, desktop endpoints, and data center servers.

Client & Mobile Endpoints Trust

Comprehensive trust across iOS, Android, Windows, macOS, and Linux, with Active Directory Group Policy (GPO) silent auto-enrollment.

iOS & iPadOS

Safari & In-House Apps

Supports Safari direct profile installation and trust configuration, eliminating intranet browser warnings and securing internal enterprise apps.

One-click .mobileconfig profile distribution
Settings > General > About > Certificate Trust Settings

Android

Native OS & Enterprise Apps

Native CA certificate import workflow and enterprise App network_security_config.xml XML configuration templates.

Native CA credential storage import guide
network_security_config.xml XML security configuration

Windows Active Directory (GPO)

ENTERPRISE
Active Directory Enterprise Silent Push

Enterprise capability: Deploy the Root CA via Active Directory Group Policy (GPO) once, and all domain workstations silently trust internal HTTPS upon boot.

GPO push: Domain workstations automatically trust CA on startup
Export standard DER Root CA, eliminating manual device imports

Windows 10 / 11 / Server

Desktop & Standalone Servers

Double-click batch installer (.bat) or PowerShell automation to inject Root CA into the local Trusted Root Certification Authorities store.

Double-click .bat script to inject into Trusted Root store in seconds
certutil automated deployment and clean rollback

macOS

macOS Keychain Architecture

Single terminal command (security add-trusted-cert) silently updates the System Keychain for immediate green locks in Chrome & Safari.

security add-trusted-cert seamless command injection
Instant green lock for Chrome, Safari, and terminal curl

Linux (Ubuntu / RHEL / CentOS)

Ubuntu · RHEL · Debian · CentOS

One-line update-ca-certificates & update-ca-trust scripts ensure curl, git, and Docker clients communicate securely.

Standard update-ca-certificates / update-ca-trust scripts
Zero cert errors in Python requests, Docker CLI, and Git

Server & Workload Auto-Mounting

Lightweight Go native agent: seamlessly manages Windows IIS site bindings & SNI, zero-downtime smooth reload for Linux Nginx

Windows Server IIS (7.5 ~ 10)

SYSTEM AUTOMATION
IIS 7.5 / 8.5 / 10 Site Binding & Self-Healing

Native agent engine seamlessly configures IIS site bindings and SNI, binds HTTPS ports automatically, and continuously monitors health.

Built-in native Go engine: automatic PFX import and HTTPS binding
Automatic SNI matching and application pool health monitoring

Nginx / OpenResty / Apache

Linux Native Web Services

Silently delivers certificates to target directories, validates config syntax, and performs graceful reloads without dropping connections.

Automated push of fullchain.pem and privkey.pem to target directory
nginx -t syntax pre-validation and zero-downtime graceful reload

Docker & Kubernetes Ingress

Containers & Microservice Gateways

Supports direct Volume mounts and Secret certificate synchronization for cloud-native microservices and internal mesh gateways.

Instant hot swapping via Docker Volume mounts
Automated sync updates for Kubernetes Ingress TLS Secrets
Licensing & Editions

Transparent & Flexible Licensing

Community edition is free out-of-the-box. Enterprise edition delivers commercial buyout and dedicated expert support.

Community Edition

Free

Geeks, Homelabs, Dev Clusters & Micro Teams

  • Default free quota for up to 3 worker nodes
  • Zero limits on websites, domains, or certificate count
  • 100% offline self-issued CA & automated probe mounting
  • Lightweight single-container with zero heavy DB setup
  • GitHub public community discussions & issue support

Frequently Asked Questions

Everything you need to know about air-gapped deployments and licensing.

Absolutely! The system features an ultra-light ~90MB single Docker container with an embedded database, requiring zero complex configuration. It runs seamlessly on mini PCs, Synology/QNAP NAS, dev workstations, and enterprise air-gapped datacenters.

Ready to Secure Your Private Networks?

From personal homelabs and dev environments to enterprise datacenters, download now and launch your Private CA in 3 minutes; or contact us for enterprise fleet licensing.

Commercial & Partnerships: support@certagent.net

Please include your estimated node count, network environment (air-gapped/on-prem), or partnership scope for an accurate quote.