From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: mail.toke.dk; spf=pass smtp.mailfrom=hetzner-cloud.de; dkim=fail; arc=none (Message is not ARC signed); dmarc=none Received: from dediextern.your-server.de (dediextern.your-server.de [85.10.215.232]) by mail.toke.dk (Postfix) with ESMTPS id 7894294FEA9 for ; Wed, 12 Nov 2025 15:35:24 +0100 (CET) Received: from sslproxy08.your-server.de ([78.47.166.52]) by dediextern.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vJBwR-0008VR-Cm for cloud@xdp-project.net; Wed, 12 Nov 2025 15:35:23 +0100 Received: from localhost ([127.0.0.1]) by sslproxy08.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vJBwQ-000I95-2M for cloud@xdp-project.net; Wed, 12 Nov 2025 15:35:23 +0100 Message-ID: Date: Wed, 12 Nov 2025 15:35:19 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: cloud@xdp-project.net From: Marcus Wichelmann Autocrypt: addr=marcus.wichelmann@hetzner-cloud.de; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Clear (ClamAV 1.0.9/27820/Wed Nov 12 11:45:09 2025) Message-ID-Hash: MLEMH5MUNVTUHR54M2VKNLRK35XN36G6 X-Message-ID-Hash: MLEMH5MUNVTUHR54M2VKNLRK35XN36G6 X-MailFrom: marcus.wichelmann@hetzner-cloud.de X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list Subject: [xdp-cloud] [TALK] How we built a Cloud Data Plane using eBPF/XDP List-Id: XDP in the cloud Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Hi there, to bring some new life into this mailing list: We held a talk about how we use eBPF & XDP on our Hetzner Cloud nodes to connect VMs to the internet, how we implemented stateful firewalls, and more. You can find the recording here: https://media.ccc.de/v/denog17-78822-forwarding-packets-at-scale-building-a-cloud-data-plane-using-ebpf-xdp Slides: https://pretalx.com/denog17/talk/VNLHD7/ I'd be happy to have some further exchange regarding this use case. So if you have questions or ideas, feel free to reach out. Marcus