Hi Vieri,
I attached a patch to bug5084 which may help us to debug the issue:
https://bugs.squid-cache.org/attachment.cgi?id=3772
The patch is for squid-v5 and produces debug messages at debug level 1.
Regards,
Christos
On 17/10/20 11:36 μ.μ., Alex Rousskov wrote:
On 10/16/20 11:58 AM, Vieri wrote:
I pinpointed one particular request that's failing:
2020/10/16 16:56:37.250 kid1| 85,2| client_side_request.cc(745) clientAccessCheckDone: The request GET https://ed1lncb62601.webex.com/direct?type=websocket&dtype=binary&rand=1602860196950&uuidtag=G7609603-81A2-4B8D-A1C0-C379CC9B12G9&gatewayip=PUB_IPv4_ADDR_2 is ALLOWED; last ACL checked: all
It is in this log:
https://drive.google.com/file/d/1OrB42Cvom2PNmV-dnfLVrnMY5IhJkcpS/view?usp=sharing
Thank you, that helped a lot!
I see that Squid decides that the client has closed the connection.
Squid propagates that connection closure to the server. Due to a Squid
bug (or my misunderstanding), cache.log does not contain enough details
to tell whether the client actually closed the connection in this case
and, if it did, whether it did so nicely or due to some TLS error.
I filed bug #5084 in hope to improve handling of this case. At the very
least, the log should categorize the closure, but it is also possible
that the client did not actually close the connection, and Squid is
completely mishandling the situation (in addition to being silent about
it). See https://bugs.squid-cache.org/show_bug.cgi?id=5084 for details.
I cannot volunteer to work on this further right now, but I hope this
triage will help another volunteer (or a paid contractor) to make
further progress.
https://wiki.squid-cache.org/SquidFaq/AboutSquid#How_to_add_a_new_Squid_feature.2C_enhance.2C_of_fix_something.3F
Alex.
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