Bug ID 606257: TCP FIN sent with Connection: Keep-Alive header for webtop page resources

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2

Fixed In:
13.0.0, 12.1.2 HF1

Opened: Jul 21, 2016

Severity: 4-Minor

Related Article: K56716107

Symptoms

When using customized webtops (for example, using custom images for the webtop links), sometimes a TCP FIN flag will be sent with a packet with an HTTP "Connection: Keep-Alive" header. Not all clients recover from this.

Impact

The webtop links page does not render correctly.

Conditions

Use a customized webtop link.

Workaround

None

Fix Information

Weptop page resources no longer send FIN flags with Keep-Alive headers.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips