SYSTEM INFORMATION OS type and version Almalinux 8 Webmin version 2.510 Virtualmin version 7.40.1.pro Webserver version Apache 2.4.37 This is happen recently. Alll the new virtual server I created, after successfully requesting Let’s Encrpyt SSL Cert, 1/ Preview website works fin…

[image] wmbwpn: Any of you guys experiencing same problem? Yes, check the topics of the last few days in the forum.

Can you help me on what topics? I have been searchig all night long, but didn’t find any clue.

maybe this : [image] Apache SSL Virtual Hosts don't include ip6 address Virtualmin We have fixed quite a few bugs related to IPv6 for the upcoming Virtualmin 7.50.0. The current workaround is to add records manually and restart Apache.

I have tried to add the ip6:443 on the VirtualHost <VirtualHost xxx.245.117.82:80 [xxxx:4f8:c013:5b49::1]:80> <VirtualHost xxx.245.117.82:443 [xxxx:4f8:c013:5b49::1]:443> and restart httpd but still have : This site can’t provide a secure connection ERR_SSL_PROTOCOL_ERROR

dont know, maybe almalinux 8 doesn’t support tlsv1.3? (or your browser, if its very old? ) you could try with older protocols. tlsv1 + tlsv1.1, see if that works. if not, maybe something’s wrong in web config/cert/other. (can’t make guesses without details like logs/configs.)

Apache Error Log: [Fri Oct 10 12:27:07.381106 2025] [ssl:warn] [pid 678680:tid 140103480002880] AH01906: domain:443:0 server certificate is a CA certificate (BasicConstraints: CA == TRUE !?) VirtualHost Config: <VirtualHost ip4:443 [ip6]:443> ServerName domain ServerAlias www.domain ServerAlia…

[image] wmbwpn: paketb.nectarweb.co.id I get a valid certificate for this domain [image]

[image] jimr1: I get a valid certificate for this domain yes, me too. try again in a new private tab. or clear caches/site data from the browser.

[image] On the down checker, it’s down. Weirdly, when i use mboile phone data 5G, i can access it well. using other connection, it’s result on ERR_SSL_PROTOCOL_ERROR I already use clean browser to access it too.

[image] [image] I think the problem is that, the SSL is not loaded on the IP4

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Suddenly all the new Virtual Server get This site can’t provide a secure connection ERR_SSL_PROTOCOL_ERROR

Virtualmin

dimitrist October 10, 2025, 6:28am 5

maybe this :