loopholelabsNov 4

An eBPF Loophole: Using XDP for Egress Traffic

https://loopholelabs.io/blog/xdp-for-egress-traffic

Using XDP for Egress Traffic

XDP only works for ingress. We found a loophole that lets it work for egress. Here's how we did the impossible.

Show threadtptacekNov 5

From 2022: https://www.samd.is/2022/06/13/egress-XDP.html

You can also use XDP for outgoing packets for tap interfaces.

Egress XDP with Linux VETH Pairs

Sam DeLaughter
Show threadcortesoft
This is why I am always skeptical when anyone writes that they are the first to do something… the added caveat is always, “that we know of”
Nov 5 at 4:29pmWeb
Show threadtptacekNov 5
"Who did it first" is not interesting to me, but what they're doing isn't a "loophole"; that's all I'm concerned with.