RFR: 8331682: Slow networks/Impatient clients can potentially send unencrypted TLSv1.3 alerts that won't parse on the server [v7]

[Artur Barashev]

> https://bugs.openjdk.org/browse/JDK-8331682

Artur Barashev has updated the pull request incrementally with one additional commit since the last revision:

  Spell user_canceled instead of user_cancelled as per RFC

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21043/files
  - new: https://git.openjdk.org/jdk/pull/21043/files/97e1da38..e2eb0591

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21043&range=06
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21043&range=05-06

  Stats: 8 lines in 1 file changed: 0 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/21043.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21043/head:pull/21043

PR: https://git.openjdk.org/jdk/pull/21043