tcpdump is amazing. Question though; does anyone know why an ACK flag is display... | Hacker News

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PenguinCoder on Feb 2, 2023 | parent | context | favorite | on: tcpdump is amazing (2016)

tcpdump is amazing. Question though; does anyone know why an ACK flag is displayed as a . instead of as A? I've not been able to find the reason for that.

tptacek on Feb 2, 2023 [–]

Probably because it would be visually noisy to do anything else, since ACK is set on almost every segment.

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