Last Modified: Apr 15, 2022
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BIG-IP Install/Upgrade, LTM
Known Affected Versions:
15.0.0, 15.0.1, 184.108.40.206, 220.127.116.11, 18.104.22.168, 22.214.171.124, 15.1.0, 126.96.36.199, 188.8.131.52, 184.108.40.206, 220.127.116.11, 18.104.22.168, 15.1.1, 15.1.2, 22.214.171.124, 15.1.3, 126.96.36.199, 15.1.4, 188.8.131.52, 15.1.5, 184.108.40.206
Opened: Apr 15, 2020
When using the rewrite profile, unchunked server responses where content-type is not text/html or text/css also gets converted to chunked encoding in client-side. Also, the server response is missing a message-body (no content-type/content-length). The client device receives 'Transfer-Encoding: chunked' in the message-header and receives a chunked body if the origin response has a message-body. The client receives a zero-length chunk if the origin response has no message-body. Prior to BIG-IP version 15, chunking happens only if origin server response has content-type header set to either text/html or text/css.
End users may notice a change in chunking behavior after upgrading from prior release.
- HTTP profile response chunking is set to 'sustain'. - The virtual server has rewrite profile attached. - Server response has content-type set not to text/html or text/css OR no content-type header.
Use response chunking mode 'unchunk'