SigV4 signature failures cluster on one park-kiosk image whose clock is wrong via NTP, while other kiosks succeed. What environmental cause should developers check?
Select an answer to reveal the explanation.
Short Explanation
SigV4 is picky about time. One kiosk with crooked NTP looks like flaky auth while its neighbors are fine—fix the clock before rewriting signing code.
Full Explanation
Signature Version 4 signing depends on accurate system time within an allowed skew window. A single kiosk image with incorrect NTP can generate intermittent-looking SigV4 failures while correctly clocked peers succeed. Teams should correct time sync before redesigning signing, cookies, usage plans, or concurrency settings.