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Technical Requirements¶

Proxy Server (Public-Facing)¶

Simple managed webspace with dedicated IP address
PHP 7.4+ (PHP 8.0+ recommended)
PHP cURL extension enabled
HTTPS/SSL support
Basic web server (Apache/Nginx)

CiviCRM Server (Private/Protected)¶

Existing CiviCRM 5.0+ installation
Located in VPN or private network
Firewall allowing connections only from proxy server IP
API access enabled (depending on your use case)

Network Architecture¶

Proxy Server: Internet-accessible, minimal attack surface
CiviCRM Server: Protected network, accessible only via proxy server IP and internal networks
Communication: HTTPS between proxy and CiviCRM server