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Re: Firefox: Warning: Potential Security Risk Ahead for the USPS.com



Jan 3, 2022, 22:16 by local10@tutanota.com:

> Jan 3, 2022, 22:11 by roberto@debian.org:
>
>> The site works fine for me.
>>
>> In FF, click on 'SSL_ERROR_BAD_CERT_DOMAIN', which should take you to
>> the full error output.  Then click 'Copy text to clipboard' and paste
>> the full text into an email.  Someone on the list ought to be able to
>> help diagnose further from there.
>>
>
>
> Weird. This is what I get:
>
>
> Websites prove their identity via certificates. Firefox does not trust this site because it uses a certificate that is not valid for tools.usps.com. The certificate is only valid for the following names: www.costco.ca <http://www.costco.ca>, costco.ca
>
> Error code: SSL_ERROR_BAD_CERT_DOMAIN
>
>
> https://tools.usps.com/go/TrackConfirmAction_input?origTrackNum=1234567890
>
> Unable to communicate securely with peer: requested domain name does not match the server’s certificate.
>
> HTTP Strict Transport Security: false
> HTTP Public Key Pinning: false
>
> Certificate chain:
>
> ...
>

More info:

# cat /etc/debian_version && uname -a
11.2
Linux srv07 5.10.0-10-amd64 #1 SMP Debian 5.10.84-1 (2021-12-08) x86_64 GNU/Linux


# aptitude show firefox-esr
Package: firefox-esr                    
Version: 91.4.1esr-1~deb11u1
New: yes
State: installed




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