Bug ID 471535: TMM cores via assert during EPSV command

Last Modified: May 14, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.2, 11.5.2 HF1

Fixed In:
11.6.0, 11.5.3, 11.4.1 HF9

Opened: Jul 13, 2014
Severity: 3-Major

Symptoms

TMM cores via assert during EPSV command from clients when The FTP filter rewrites the commands.

Impact

Traffic disrupted while tmm restarts.

Conditions

This rarely encountered issue occurs with the use of line feed (NL) characters in rewritten commands.

Workaround

Use a TCP collect iRule to detect and insert the missing CR.

Fix Information

FTP filter now accepts NL-only line-ending when rewriting EPSV command.

Behavior Change