[Monarobase]

Sorry for the delay.

Due to lack of time I installed Xcache 2.0.1 and have disabled the variable cache, hopeing that someone might debug and fix the issue without me reporting it…

I've got one last (quite big) problem.

I run Atomicorp ASL T-WAF in front of litespeed and sometimes I get an error saying from the T-WAF with the following message :

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Proxy Error

The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET /XXX.html.

Reason: Error reading from remote server

Apache Server at www.XXXXXXXX.tld Port 30001
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ASL seem to be saying it's an issue with litespeed but litespeed doesn't log anything when the error happens and ASL T-WAF doesn't log much either (except that Litespeed gave an invalid response).

Do you have any suggestions about how I could determine if it rearly is Litespeed giving a bad response or if it's an issue with the T-WAF.

The error message only happens about 20 times a day so it's very difficult to catch and almost impossible to determine if Litespeed is actually giving a blank page or a strange result or if it's the T-WAF that's not responding fast enough for litespeed or the other way around.

When I searched for these issues, alot of topics about Litespeed came up… with various other proxies, so it seems that litespeed could be for something in this issue.