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Emmanuel_DORR
Partner - Contributor III
Partner - Contributor III
a week ago

Qlik Sense disconnection on NLB (F5) with firefox only

Hello,

I'm using Qlik Sense Enterprise February 2024 with a multi nodes deployment.

I have some disconnection issues after 5 minutes of inactivity, with Firefox only, after opening a QS app passing by the NLB (F5) address.

If I try to connect directly to the address of one of my nodes, I don't have this disconnection issue.

In the AuditActivity_Proxy log, a specific message is visible each time i'm disconnected :

Emmanuel_DORR_0-1714057624644.png

I found some articles about Websocket ping intervall depending on browser, but I really think that it comes more from a parameter at the load balancer level. However, I don't understand why this issue only concerns a particular browser (Firefox) in my case.

Session inactivity timeout is fixed on 30 minutes on each node :

Emmanuel_DORR_1-1714057624645.png

Keep alive timeout is fixed on 10 seconds :

Emmanuel_DORR_2-1714057624645.png

Can you give me some ideas to explore in order to resolve this issue?

Thanks,

Emmanuel

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