Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

Steven_Levchen1's avatar
Steven_Levchen1
Apr 26, 2016

Internal Website BIG-IP LTM Compatibility Issue

Hello F5 Community - I'm hoping to pick your big brains about troubleshooting an issue I'm having with the BIG-IP LTM. Forgive my ignorance, as I have not taken any of the F5 courses on the subject...
application delivery
big-ip
LTM
Theo_12742's avatar
Theo_12742
Icon for Cirrus rankCirrus
Apr 26, 2016

It has to do with the way files are chunked when downloaded, and most web-based applications don't really account for this in the standard manner.

Workaround: In the HTTP profile for that virtual server, change 

Response Chunking
to 
Rechunk
and try again.

Steven_Levchen1's avatar
Steven_Levchen1
Apr 26, 2016
Thank you for the quick response, Theo! Unfortunately I'm still getting the same error message. Now I'm also getting a mixture of "page cannot be displayed" on some of the other links. If it makes a difference, the web page is built on top of a CMS - a Content Management System developed by a group called Passageways. I've asked them for assistance, but they claim not to provide load balancer support. Thus, I'm hoping to shoehorn the BIG-IP in there anyways just to see if I can. Any other areas I can look? Thanks! Steve