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[~] Fix #665: Close invalid Retry-token Initials - #911

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dreamwind1985 wants to merge 3 commits into
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fix/fix_issue_665
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[~] Fix #665: Close invalid Retry-token Initials#911
dreamwind1985 wants to merge 3 commits into
mainfrom
fix/fix_issue_665

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Mechanism

  • RFC or draft: RFC 9000 Section 8.1.2 and Section 20.1
  • After Retry has been sent, the server now treats an invalid token as INVALID_TOKEN only when the Initial DCID matches the Retry SCID, while old Initial-flight packets with the original DCID remain ignored.

Fixes: #665

Validation Cases

  • 715 — invalid Retry-token Initial closes with INVALID_TOKEN.
  • 716 — replayed old-DCID Initial after Retry is ignored without killing the connection.

CONTRIBUTING.md

  • Overall: Pending
  • Local regression: Complete
  • CI: Pending

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[Bug]: 无效Retry Token时未发送INVALID_TOKEN错误关闭连接

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