Bug ID 2137653: Unable to upload files that contain a colon in the filename

Last Modified: Oct 21, 2025

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
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, 16.1.6, 16.1.6.1, 17.1.3, 17.5.1.3

Opened: Oct 20, 2025

Severity: 1-Blocking

Symptoms

You are unable to upload files where the filename contains a colon. The BIG-IP returns a 400 HTTP error with the following error message: "A valid filename must be supplied".

Impact

Files that contain colons in the filename are unable to me uploaded.

Conditions

Trying to upload a file to the BIG-IP where the filename uses one or more colons.

Workaround

The only option is to use a filename that does not use a colon.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips