BugZero | F5 BugID 1098745 - LSN_ADD/DELETE log messages were not sent for port...

F5 - Defect ID: 1098745

LSN_ADD/DELETE log messages were not sent for port 20 (ftp data channel)

F5 - Defect ID: 1098745

LSN_ADD/DELETE log messages were not sent for port 20 (ftp data channel)

Last updated on July 18th, 2026

BugZero Risk Score
7.0 High

Overall: 7.0

Severity: 7.3

Community: 4.2

Lifecycle: 10.0

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Bug Details

Priority: 3-Major
Status: Resolved
Impact Category: Advanced Firewall Manager

Description

Symptoms

LSN_ADD/DELETE log messages were not seen for the data channel (port 20).

Impact

LSN_ADD/DELETE log messages were not sent for the FTP data channel (port 20) but seen for the FTP control channel.

Conditions

- Create an FTP profile and attach it to a virtual server. - Create afm_cgnat_logging profile and enable LSN Legacy Mode. - Create the NAT policy. - From the client initiate the FTP session and send the data.

Workaround

None

Fix Information

None

Change history

Links

Original Vendor Announcement

Relevant Products

Click on a version to see all relevant bugs

Affected versions:15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8, 16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 16.1.6.1, 17.0.0, 17.0.0.1, 17.0.0.2

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Fixed versions: No known fixed versions

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F5 - Defect ID: 1098745

LSN_ADD/DELETE log messages were not sent for port 20 (ftp data channel)

F5 - Defect ID: 1098745

LSN_ADD/DELETE log messages were not sent for port 20 (ftp data channel)

Last updated on July 18th, 2026

BugZero Risk Score7.0 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

F5 - Defect ID: 1098745

LSN_ADD/DELETE log messages were not sent for port 20 (ftp data channel)

F5 - Defect ID: 1098745

LSN_ADD/DELETE log messages were not sent for port 20 (ftp data channel)

Last updated on July 18th, 2026

BugZero Risk Score7.0 High

Bug Details

Symptoms

Impact

Conditions

Workaround

Fix Information

Links

Top F5 Defects

Ready to prevent the next vendor outage?

BugZero Risk Score
7.0 High

BugZero Risk Score
7.0 High