PFSense

Netgate pfSense is an open-source network security platform built on FreeBSD, functioning as a firewall, VPN gateway, and router. It is available as software that can be installed on dedicated hardware appliances (sold by Netgate), deployed as a virtual appliance, or run in cloud environments. Core functionality: - Stateful packet inspection firewall - VPN gateway supporting multiple protocols - Router with advanced traffic shaping and queuing capabilities - Captive portal for network access control - IPv6 support Deployment options: - Physical hardware appliances (Netgate-branded) - Virtual appliances for on-premises environments - Cloud deployments via Amazon AWS and Microsoft Azure - Downloadable software for self-hosted installations The platform targets a range of use cases from small office/home office (SOHO) environments to large enterprise networks. It supports site-to-cloud, cloud-to-cloud, and virtual private cloud (VPC) connectivity scenarios. Additional services offered around the product: - Commercial support with direct access to the development team - Professional services for network security planning, design, and implementation - Official training courses (online and on-site) for individuals and organizations - Comprehensive documentation The software has a community edition available for download and a commercial "pfSense Plus" edition available for cloud and appliance deployments. Cloud pricing starts at $0.08/hr. The platform supports third-party packages including Snort for intrusion detection/prevention.