On 2019/05/30 15:22 , Ponikierski, Grzegorz wrote: > Can be useful to estimate proximity between probe and DNS and to detect > nasty middle boxes. To limit overhead on Atlas side, IP header can be > provided as raw data to decode on end-user side.
As far as I know there is no option provided by the Linux kernel to receive the original IP header with recvmsg. Fields that are returned by recvmsg, such as TTL, can be added without to much trouble. I'll make a note to add that that at some point. Philip
