Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP APM
Known Affected Versions:
11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.6.1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2
Fixed In:
12.1.0, 12.0.0 HF3, 11.6.1 HF1, 11.5.4 HF2
Opened: Jan 09, 2016 Severity: 3-Major
When accessing a large 'text/plain' file from server with Internet Explorer versions 7 through 10 client browsers, Portal Access sometimes holds the response until it fetches and processes the entire file contents. This can take several dozen seconds, or even minutes.
Large text files can't be accessed or downloaded through Portal Access.
Internet Explorer version 7 through 10 with Portal Access
Irule that does any of following: a) Preferred: append F5CH=I to request uri in HTTP_REQUEST for affected requests. b) Call REWRITE::disable for affected requests.
Fixed the issue where Portal Access could try to buffer contents of some large files and respond with significant delay.