17. System Settings System Users Navigate to Settings > System users. System users list PUQVPNCP supports multiple administrator accounts with role-based access control. Adding a User Add a new system user Field Description Username Unique login name Email User email Password Account password Groups Permission groups assigned to this user Editing a User Edit system user Permission Groups Navigate to Settings > Permission groups. Permission groups list Permission groups define what actions a user can perform. PUQVPNCP includes 36+ granular permissions across 17 resource categories. Default Groups Group Access Level admin Full access to everything operator All operations except system settings viewer Read-only access to all pages Creating a Custom Group Create a new permission group Edit permission group — select permissions by resource Permissions are organized by resource: Resource Permissions system_config read, write wireguard read, write amneziawg read, write network read, write client read, write peering read, write account read, write openvpn read, write ikev2 read, write diagnostics read, write firewall read, write dns read, write otl read, write traffic (Monitoring) read, write backups read, write license read, write api_tokens read, write system_users read, write permission_groups read, write API Tokens Navigate to Settings > API Tokens. API tokens list API tokens provide programmatic access to the REST API without using session cookies. Creating a Token Create a new API token Field Description Name Token description Username The user this token belongs to (inherits permissions) Allowed IP Restrict token to a specific IP (empty = any) Expires At Token expiration date (empty = never) Token created — copy the token now, it won't be shown again Important: The token value is shown only once. Copy it immediately after creation. Usage Include the token in the Authorization header: curl -sk https://vpn.example.com/api/v1/system/status \ -H "Authorization: Bearer YOUR_TOKEN_HERE" Environment Check Navigate to Settings > Environment. Environment check — verify all required packages The Environment page scans for all required and optional system packages: VPN Protocols — wireguard, amneziawg, openvpn, easy-rsa, strongswan Network & Firewall — iproute2, iptables, ipset DNS — bind9, bind9-utils Monitoring — rsyslog, telegraf Security — openssl System Utilities — procps, uuid-runtime, bash, grep, gawk Network Configuration — ifupdown2 (Debian) or netplan.io (Ubuntu) Environment check — DNS, Monitoring, Security, System Utilities Environment check — Network Configuration (ifupdown2 / netplan.io) Missing packages are highlighted and can be installed via the system package manager. About Us & Project Support Navigate to About us in the top navigation bar. About Us — licensing information, WHMCS provisioning module integration, and support links The About page displays project license limits (up to 50 VPN clients without license, unlimited with license from puqcloud.com), integration options including the official PUQVPNCP WHMCS Provisioning Module, and links to documentation and support.