# Xoyan Services > Unified Cyber Defense & Brand Scaling Platform Xoyan provides perimeter firewall defense, isolated VLAN network segmentation, and secure remote-access VPN solutions integrated with Active Directory. We offer managed protection with ongoing monitoring and maintenance, verified self-managed deployments for full in-house control, and secure digital marketing services. ## Core Navigation & Pages - [Overview](https://xoyan-services.vercel.app/): Main platform overview detailing perimeter firewall architecture, VLAN network segmentation, and remote access VPN options. - [Careers](https://xoyan-services.vercel.app/careers): Engineering, cybersecurity defense, and platform development vacancies and career opportunities at Xoyan. - [Privacy Policy](https://xoyan-services.vercel.app/privacy): Official privacy policy detailing data handling, user rights, and security measures. - [Terms of Service](https://xoyan-services.vercel.app/terms): Comprehensive legal agreement governing access to and usage of Xoyan services. - [Website Disclaimer](https://xoyan-services.vercel.app/disclaimer): Official website disclaimer regarding informational content and service warranties. ## Services & Architecture - [Managed Protection](https://xoyan-services.vercel.app/#models): Ongoing perimeter firewall monitoring, security updates, configuration snapshots, and structured onboarding/offboarding. - [Self-Managed Security Suite](https://xoyan-services.vercel.app/#models): Full in-house control over firewall policies, VLAN segmentation, and VPN tunnels with a 16-point acceptance test baseline and runbooks. - [Secure Remote Access Options](https://xoyan-services.vercel.app/#features): Technical overview of ZeroTier, OpenVPN with Active Directory LDAPS authentication, and WireGuard. - [Architecture Review & Consultation](https://xoyan-services.vercel.app/#lead-form): Request a free consultation and network architecture assessment with the Xoyan engineering team. ## Technical Documentation & References - [Perimeter Firewall Guide](https://docs.netgate.com/pfsense/en/latest/): Stateful firewall rule design principles and default-deny policies. - [VLAN Network Segmentation](https://docs.netgate.com/pfsense/en/latest/vlan/index.html): VLAN configuration and guest network isolation. - [ZeroTier Overlay Network](https://docs.zerotier.com/): Outbound-only encrypted mesh tunnels operating behind NAT and CGNAT. - [OpenVPN Active Directory Authentication](https://docs.netgate.com/pfsense/en/latest/recipes/openvpn-ra.html): Remote access VPN with per-user Active Directory LDAPS login. - [WireGuard Administration](https://docs.netgate.com/pfsense/en/latest/vpn/wireguard/index.html): Fast, minimal kernel-space VPN tunnels.