Files
openssl/ssl
Alexandr Nedvedicky 4a7d9705f3 QUIC listener may fail with SSL_POLL_EVENT_EL on windows.
recvfrom() may return WSAECONNRESET when the destination port
used in a previous sendto() call is no longer available. This
causes QUIC PORT to swich from running state. This behavior
is not desired for QUIC protocol. The trick is to disable
SIO_UDP_CONNRESET flag on UDP port used by QUIC.

The issue was kindly reported and root caused by goforit22123-netizen@

Fixes: #29530

Reviewed-by: Eugene Syromiatnikov <esyr@openssl.org>
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Norbert Pocs <norbertp@openssl.org>
MergeDate: Mon Jan 12 10:27:25 2026
(Merged from https://github.com/openssl/openssl/pull/29538)
2026-01-12 11:27:22 +01:00
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