defguard
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defguard
  • Welcome
  • Getting help
    • About Defguard
    • Features overview
    • One-line install script
    • Overview
    • Zero-Trust VPN with 2FA/MFA
    • Remote user enrollment
    • Internal SSO (OpenID Connect Provider)
    • External SSO/OpenID providers
    • LDAP and Active Directory integration
    • Firewall
    • Network devices
    • Activity & Audit logs
    • Notifications
    • Integrations
    • OPNSense Configuration
    • SSH Authentication
    • Forward auth
    • User SNAT bindings
    • Service locations
    • Desktop client auto-provisioning
    • Static IP assignment
    • Certificate management
    • Overview
    • Deploying to Production
    • Migration guides
    • Hardware, OS, network and firewall recommendations
    • Standalone package based installation
    • Docker Compose
    • Kubernetes
    • Terraform
    • OVA
    • Amazon Machine Image (AMI)
    • Configuration
    • Running Gateway on OPNsense firewall
    • Running Gateway on VyOS
    • Reverse Proxy configuration using NGINX
    • High Availability and Failover
    • Updating and version compatibility
    • Using a userspace WireGuard implementation
    • Pre-production and development releases
    • Health check
    • Production deployment verification guide
    • Linux Kernel WireGuard tuning
    • Programmatic gateway adoption
    • Purchasing and using the license
    • Overview
    • Mobile Client
    • Desktop Client
    • CLI Client
    • Other WireGuard® Clients
    • Password change / Reset
    • Enrollment & Onboarding
    • Setting up 2FA/MFA
    • How to submit an issue
    • Sending support information
    • Troubleshooting Guides
      • Core
      • Desktop Client
        • Unix socket permission error on connect (Linux)
        • MFA location disconnected after X-time
        • High disk usage
        • Failed to configure DNS (Linux)
        • Failed to parse IP address
        • Disconnecting shows "Connection failed" (Linux / NetworkManager)
        • resolvconf not found (Debian)
        • Unix socket does not exist (Linux)
        • Disconnected after MFA timeout
        • Could not start MFA process
        • Client connects but cannot reach VPN servers (MTU)
        • Desktop client real-time / auto sync does not work
        • Windows client unable to connect
        • "All traffic" connection issues
        • Windows installer exit codes
      • Mobile Client
      • Edge Component
      • Gateway
      • TOTP / email codes for MFA do not work
      • WebAuthn security keys
      • Can access VPN but not local network or internet
      • How to verify the VPN is working
      • Testing VPN speed
    • Server migration and licence transfer
    • Initial Setup Wizard: setting up from scratch
    • Migrating from Defguard 1.6 to 2.0
    • Adding Edge component
    • Defguard Compliance
    • Secure by design
    • Architecture
    • Architecture Decision Records
    • Client application feature compatibility
    • Defguard Open Organisation
    • BoringTun
    • Contributing
    • Environment setup
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  1. Support
  2. Troubleshooting Guides

Desktop Client

  • Failed to configure DNS (Linux)

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