# Episode 3: Wireguard

[YouTube](https://youtu.be/-awkPi3D60E) 30 April 2021

In this week's episode Martynas Pumputis ([GitHub](https://github.com/brb), [Twitter](https://twitter.com/martyns)) gives us a preview of Cilium's new Wireguard encryption feature.

## Headlines

* [Linux kernel 5.12 released](https://kernelnewbies.org/Linux_5.12#Tracing.2C_perf_and_BPF)
* [Atomic operations, kernel module global variables](https://ebpf.io/blog/ebpf-updates-2021-01#the-kernel-side) and [more details](https://ebpf.io/blog/ebpf-updates-2021-02#the-kernel-side)
* [Microsoft acquires Kinvolk](https://azure.microsoft.com/en-us/blog/microsoft-acquires-kinvolk-to-accelerate-containeroptimized-innovation/)
## Links

* [Toward signed BPF programs](https://lwn.net/SubscriberLink/853489/2916fbd97c95c700/)
* [Reverse debugging at scale](https://engineering.fb.com/2021/04/27/developer-tools/reverse-debugging/)

### KubeCon EU

[KubeCon EU](https://events.linuxfoundation.org/kubecon-cloudnativecon-europe) is next week, with lots of eBPF-related talks. Here's our curated list:
* [eBPF on the Rise](https://sched.co/iE5N)
* [Uncovering a Sophisticated Kubernetes Attack in Real-Time](https://sched.co/iE2u)
* [FalcOMG](https://sched.co/iE69)
* [How to Break your Kubernetes Cluster with Networking](https://sched.co/iE5i)
* [The art of hiding yourself](https://sched.co/iE4t)
* [Top 5 Concerns Every InfoSec Team Has And How To Overcome Them With eBPF](https://sched.co/iRmk)

## Wireguard

* [Technical paper](https://www.wireguard.com/papers/wireguard.pdf)
* [Linus Torvalds approval](https://lists.openwall.net/netdev/2018/08/02/124)
* [Cilium Wireguard guide](https://docs.cilium.io/en/latest/gettingstarted/encryption-wireguard/)
* [Wireguard vs IPSec performance benchmarks](https://docs.cilium.io/en/latest/operations/performance/benchmark/#encryption-wireguard-ipsec)