VK Cloud OPNsense documentation

OPNsense is an open-source, FreeBSD-based firewall and routing platform. It offers a wide range of features such as:

Firewall and Network Security: Includes stateful firewall, NAT, and extensive monitoring and reporting tools.
VPN Support: Provides support for various VPN technologies including IPsec, OpenVPN, and more.
High Availability: Features like CARP for failover and load balancing.
Web Proxy and Filtering: Supports proxy servers with filtering capabilities.
Traffic Shaping and QoS: Manages bandwidth and prioritizes traffic to optimize network performance.
Intrusion Detection and Prevention: Built-in IDS/IPS features to protect against threats.
Rich Plugin System: Extendable with numerous plugins to add additional functionalities.

It’s known for its ease of use, robust community support, and regular updates, making it a popular choice for both home and enterprise users.

OPNsense in VK Cloud Guides

Configuring OPNsense as a NAT gateway in VK Cloud - NAT instance setup, firewall rules, and traffic routing through OPNsense

OPNsense in Yandex Cloud - deploying and configuring OPNsense on the Yandex Cloud platform
pfSense in VK Cloud - alternative FreeBSD-based firewall for VK Cloud

Last updated on 15, April 2026