invalid cert for https://us.metamath.org/
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Glauco
Dec 11, 2021, 10:38:33 AM12/11/21
to Metamath
Am I the only one getting an invalid cert error?
This is not new, but I've never written about it before.
I've tried Chrome and Edge on Win10 and Firefox on Linux. Similar errors.
I can go beyond the warning messages, selecting kind of "go on anyway (go back recommended)" options.
The timespan is valid, I've not investigated if the root CA or the intermediate cert is the "invalid" one.
Below, the details from Firefox under Linux ("requested domain name does not match the server’s certificate")
Glauco
*** detailed error message from Firefox under Linux ***
https://us.metamath.org/mpeuni/supxrleub.html
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:
-----BEGIN CERTIFICATE-----
MIIFJjCCBA6gAwIBAgISBFunoJW6i3kKnjubLKCE0TeeMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
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KXfIVqR53bdETuqZC8riOxQPk0M8hppDY3U=
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
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:
-----BEGIN CERTIFICATE-----
MIIFJjCCBA6gAwIBAgISBFunoJW6i3kKnjubLKCE0TeeMA0GCSqGSIb3DQEBCwUA
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
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MA0GCSqGSIb3DQEBCwUAA4IBAQAKcwBslm7/DlLQrt2M51oGrS+o44+/yQoDFVDC
5WxCu2+b9LRPwkSICHXM6webFGJueN7sJ7o5XPWioW5WlHAQU7G75K/QosMrAdSW
9MUgNTP52GE24HGNtLi1qoJFlcDyqSMo59ahy2cI2qBDLKobkx/J3vWraV0T9VuG
WCLKTVXkcGdtwlfFRjlBz4pYg1htmf5X6DYO8A4jqv2Il9DjXA6USbW1FzXSLr9O
he8Y4IWS6wY7bCkjCWDcRQJMEhg76fsO3txE+FiYruq9RUWhiF1myv4Q6W+CyBFC
Dfvp7OOGAN6dEOM4+qR9sdjoSYKEBpsr6GtPAQw4dy753ec5
-----END CERTIFICATE-----
Ken Kubota
Dec 11, 2021, 10:49:49 AM12/11/21
to meta...@googlegroups.com
The certificate is issued for ssl.metamath.org only.
You should add us.metamath.org (and possible other domains) as alternative DNS extension.
I believe this is the correct link: https://certbot.eff.org/faq/#can-i-get-certificate-for-multiple-domain-names-san-certificates
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Glauco
Dec 11, 2021, 11:08:07 AM12/11/21
to Metamath
Thank you, Ken
I can live with that warning message, the problem is that the newcomer would not be positively impressed (I guess).
Is there a reason why Let's encrypt cannot be used to get a cert for us.metamath.org ? (it looks like it's the most common result from Google).
And, if I'm not mistaken, Let's encrypt allows for wildcard certs, now:
Thanks again
Glauco
David A. Wheeler
Dec 13, 2021, 1:22:55 PM12/13/21
to Metamath Mailing List
> On Dec 11, 2021, at 11:08 AM, Glauco <glaform...@gmail.com> wrote:
>
> Thank you, Ken
>
> I can live with that warning message, the problem is that the newcomer would not be positively impressed (I guess).
>
> Is there a reason why Let's encrypt cannot be used to get a cert for us.metamath.org ? (it looks like it's the most common result from Google).
>
> And, if I'm not mistaken, Let's encrypt allows for wildcard certs, now:
>
> https://community.letsencrypt.org/t/acme-v2-production-environment-wildcards/55578
and the only plausible use for HTTP should be redirecting to HTTPS.
There are malicious actors who inject nasty content in HTTP nowadays as man-in-the-middle attacks :-(.
However, I expect complicates due to Norman Megille's recent death. Please be patient :-).
--- David A. Wheeler
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