Dear Erick,
Thank you for your answer.
I tried accessing chrome://flags/#tls13-variant but nothing appears. If I
search for a flag containing TLS the only one is #enforce-tls13-downgrade. This
is my Chrome version:
Version 73.0.3683.75 (Developer Build) built on Debian 9.8, running on Debian
9.13 (64-bit)
It's not a specific website the problem it is all websites using HTTPS.
Best regards,
Mabi
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Thursday, August 13, 2020 2:54 PM, Erick Perez - Quadrian Enterprises
<epe...@quadrianweb.com> wrote:
> Just a quick question Mabi,
> in chrome address bar please type chrome://flags/#tls13-variant
> what tells you about TLS and QUIC?
> do you have any nonstandard value?
> By any chance can you share the (potentially) offending website?
> thanks.
>
> On Thu, Aug 13, 2020 at 5:25 AM mabi <m...@protonmail.ch> wrote:
>
>> Hello,
>>
>> I am using Squid as transparent proxy for HTTP and HTTPS traffic on an
>> OpenBSD 6.7 firewall. Since I have upgraded from Squid version 4.11 to 4.12
>> my Chrome browser is not able to visit any HTTPS websites. Firefox continues
>> to work fine.
>>
>> Older versions of Chrome show a ERR_SSL_VERSION_INTERFERENCE error and newer
>> versions of Chrome show a ERR_CONNECTION_REFUSED error.
>>
>> If I revert back to Squid 4.11 Chrome works again. I have not changed
>> anything in my Squid config or any other configuration file of the firewall.
>>
>> I believe this issue might have something to do with the following change
>> introduced in 4.12:
>>
>> 2020-05-06 10:09:50 +0300 Christos Tsantilas +199 -28 SslBump: Disable
>> OpenSSL TLSv1.3 support for older TLS traffic (#620)
>>
>> Source: http://www.squid-cache.org/Versions/v4/changesets/SQUID_4_12.html
>>
>> Thank you in advance for your feedback.
>>
>> Best regards,
>> Mabi
>>
>> _______________________________________________
>> squid-users mailing list
>> squid-users@lists.squid-cache.org
>> http://lists.squid-cache.org/listinfo/squid-users
>
> --
>
> ---------------------
> Erick Perez
> Quadrian Enterprises S.A. - Panama, Republica de Panama
> Skype chat: eaperezh
> WhatsApp IM: +507-6675-5083
> ---------------------
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