Hi HN, DDoS attacks are becomeing larger and cheaper to launch, so we work on a scalable open source solution to mitigate them. Tempesta xFW's core is XDP and

Hi HN, DDoS attacks are becomeing larger and cheaper to launch, so we work on a scalable open source solution to mitigate them. Tempesta xFW's core is XDP and TC eBPF programs implementing volumetric DDoS filtering. A user-space daemon handles gRPC requests from CLI tool or WebAPI (via C library). It supports two packet-path architectures: * host-based protection, such as CDN edge or on-premises application delivery controller (ADC) cases, where the host is a TCP connection endpoint. This is good for protecting a local web or DNS server. * router-based protection, such as ISP, hosting, or IaaS provider cases, where the host routes IP packets to protected servers or networks. Router-based deployment can be always-on/pass-through or on-demand/redirection protection. In the later case, a node may not "see" normal clean traffic and may receive only traffic containing a DDoS attack. Also, the node may receive only client-to-server traffic, as in direct server return (DSR) or some traffic scrubbing scenarios. In this mode a DDoS sensor and mitigation controllers are typically needed. Traffic performance metrics are exported in Prometheus format. DDoS incidents are aggregated per source IP and logged to ClickHouse for analysis. A dry-run (evaluation) - mode allows you to observe all reported incidents and metrics without blocking traffic.. Single Xeon Gold 6348 with ConnectX-6 dual 100Gbps reach 196Mpps and 176Gbps of filtering capacity. * GitHub repository: https://github.com/tempesta-tech/xFW https://github.com/tempesta-tech/xFW * documentation: https://tempesta-tech.com/tempesta-escudo/knowledge-base/XFW/ https://tempesta-tech.com/tempesta-escudo/knowledge-base/XFW... * performance benchmarks: https://tempesta-tech.com/tempesta-escudo/knowledge-base/Performance/ https://tempesta-tech.com/tempesta-escudo/knowledge-base/Per... * Netdev 0x1a talk: https://netdevconf.info/0x1A/sessions/talk/tempesta-xfw-open-source-ebpf-based-volumetric-ddos-protection.html https://netdevconf.info/0x1A/sessions/talk/tempesta-xfw-open...