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Re: HTTPS request times out going through Squid proxy

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On 07.05.21 06:52, Aniruddha Gore wrote:
Thanks Matus for responding 🙂

no need for private copy, mailing list is enough.

Following is what the relevant line in squid.conf:

# Squid normally listens to port 3128
http_port 3128

I suspect you might be pointing out that there is no https_port configured.

no. https_port is used for reverse proxying, not for forward proxying of
HTTPS requests.

While I was adding https_port, I noticed no process is listening on port
3128 (doesn't appear in output of netstat -aon on Windows).  So now the
calls are failing with "WinHttpSendRequest: 12029: A connection with the
server could not be established" 😕

have you set up your squid host:port as HTTP proxy in the application?
- means: have you set up the applictaion to use HTTP proxy?

Can you see anything in squid logs?
- what is in squid logs?


From: squid-users <squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Matus UHLAR - fantomas <uhlar@xxxxxxxxxxx>

On 06.05.21 01:06, Aniruddha Gore wrote:
Pinging back hoping to get some help.  I suspect I am missing something
very basic and would really appreciate if someone could point me in the
right direction.  :)

I haven't seen your packet trace but so far it shouldn't be needed.

Context I have an application running on a machine (A) that does not have
internet connectivity.  It, however, can talk to another machine (B) which
has full connectivity.  The application makes HTTPS calls.  I am hoping to
set-up Squid on B and set-up web proxy (ip address and port) when making
HTTPS calls in the app.


I have installed Squid for
Windows<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsquid.diladele.com%2F&amp;data=04%7C01%7C%7Ceb0f33fc98ae42629d1e08d91055edbb%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637558783534261214%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=iT5UB59%2BSbNulVVbsgRSh81lxp0lMkSeBv%2Fmj5y1CVE%3D&amp;reserved=0>
on B with default squid config.


Problem HTTPS requests are timing out.


I am new to proxy so don't know lot of ways to investigate further.  This
is what Wireshark captured running on B.  Unfortunately, I am unable to
gather any actionable info from this, it just confirms that calls do make
it to B and then something wrong happens.


--
Matus UHLAR - fantomas, uhlar@xxxxxxxxxxx ; http://www.fantomas.sk/
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