BugZero | F5 BugID 1040821 - Enabling an iRule or selecting a pool re-checks th...

F5 - Defect ID: 1040821

Enabling an iRule or selecting a pool re-checks the "Address Translation" and "Port Translation" checkboxes

F5 - Defect ID: 1040821

Enabling an iRule or selecting a pool re-checks the "Address Translation" and "Port Translation" checkboxes

Last updated on July 18th, 2026

BugZero Risk Score
5.9 Medium

Overall: 5.9

Severity: 6.4

Community: 4.2

Lifecycle: 7.0

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Bug Details

Priority: 4-Minor
Status: Verified
Impact Category: TMOS

Description

Symptoms

Address Translation and Port Translation checkboxes are automatically checked under the virtual server's advanced configuration.

Impact

The Address and Port translation options are automatically checked when the default is to have them unchecked.

Conditions

Virtual Server's Advanced configuration option is selected followed by adding an iRule or a pool.

Workaround

Manually un-check Address Translation and Port Translation checkboxes under virtual server's advanced configuration

Fix Information

None

Change history

Links

Original Vendor Announcement

Relevant Products

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Affected versions:14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 15.0.0, 15.0.1, 15.0.1.1, 15.0.1.2, 15.0.1.3, 15.0.1.4, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1

Fixed versions: 17.0.0, 16.1.2.2, 15.1.5.1, 14.1.4.6, 13.1.5

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: 17.0.0, 16.1.2.2, 15.1.5.1, 14.1.4.6, 13.1.5

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F5 - Defect ID: 1040821

Enabling an iRule or selecting a pool re-checks the "Address Translation" and "Port Translation" checkboxes

F5 - Defect ID: 1040821

Enabling an iRule or selecting a pool re-checks the "Address Translation" and "Port Translation" checkboxes

Last updated on July 18th, 2026

BugZero Risk Score5.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1040821

Enabling an iRule or selecting a pool re-checks the "Address Translation" and "Port Translation" checkboxes

F5 - Defect ID: 1040821

Enabling an iRule or selecting a pool re-checks the "Address Translation" and "Port Translation" checkboxes

Last updated on July 18th, 2026

BugZero Risk Score5.9 Medium

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
5.9 Medium

BugZero Risk Score
5.9 Medium