BugZero | F5 BugID 1101697 - TLS1.3 connection failure with 0-RTT and Hello Ret...

F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

Last updated on July 18th, 2026

BugZero Risk Score
6.7 Medium

Overall: 6.7

Severity: 7.3

Community: 4.2

Lifecycle: 7.0

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Bug Details

Priority: 3-Major
Status: Verified
Impact Category: Local Traffic Manager

Description

Symptoms

Connection failure.

Impact

Connection failure.

Conditions

This condition can occur when: - The 0-RTT is enabled. - When TLS1.3 session goes for Hello Retry Request (HRR).

Workaround

Disable the 0-RTT.

Fix Information

Added changes which handle this defects.

Change history

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F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

Last updated on July 18th, 2026

BugZero Risk Score
6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

Last updated on July 18th, 2026

BugZero Risk Score
6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

Last updated on July 18th, 2026

BugZero Risk Score6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

F5 - Defect ID: 1101697

TLS1.3 connection failure with 0-RTT and Hello Retry Request (HRR).

Last updated on July 18th, 2026

BugZero Risk Score6.7 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
6.7 Medium

BugZero Risk Score
6.7 Medium