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brendangreggtoday at 2:22 AM1 replyview on HN

Funny to see this fixed in 2023 and the side effects. Back in 2004, before I focused on performance, I did some security work including inter-keystroke latency analysis of captured SSH sessions to estimate the commands typed:

https://www.brendangregg.com/sshanalysis.html

The 2023 patch should finally fix that 2004 issue.


Replies

jonaslejontoday at 8:10 AM

Memories! I was at the hacking conference HAL2001 and listening to Dug Song and Solar Designer, who were talking about their SSH timing analysis: https://download.openwall.net/pub/advisories/OW-003-ssh-traf...

Time flies