Connection timed out

Hello, I am trying to set up HTTPS on my Apache2 server,
But the connection times out, but the website is live
What can I do?
Here is the console output:

Which names would you like to activate HTTPS for?
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter 'c' to cancel):1
Starting new HTTPS connection (1):
Obtaining a new certificate 
Performing the following challenges:
tls-sni-01 challenge for
Enabled Apache socache_shmcb module
Enabled Apache ssl module
/usr/lib/python2.7/dist-packages/OpenSSL/ UserWarning: implicit cast from 'char *' to a different pointer 
type: will be forbidden in the future (check that the types are as you expect; use an explicit ffi.cast() if they are correct)
result_code = _lib.RAND_bytes(result_buffer, num_bytes)
Waiting for verification...
Cleaning up challenges
Failed authorization procedure. (tls-sni-01): urn:acme:error:connection :: The server could not connect 
to the client to verify the domain :: Timeout

- The following errors were reported by the server:

Type:   connection
Detail: Timeout

To fix these errors, please make sure that your domain name was
entered correctly and the DNS A record(s) for that domain
contain(s) the right IP address. Additionally, please check that
your computer has a publicly routable IP address and that no
firewalls are preventing the server from communicating with the
client. If you're using the webroot plugin, you should also verify
that you are serving files from the webroot path you provided.

Open port 443 in your firewall or (NAT) router.

But there is no firewall present and this is a VPS so I have no access to the router

I solved the issue with timeouts
But now I can’t go to the webpage from my browser

“Not supported protocol”
How can I solve this?

That DNS record doesn’t seem to exist anymore. Did you want to prevent the public from connecting to this site?

The error that you saw most recently is usually a result of a strange ciphersuite configuration on the web server. You can get tips on ciphersuite configurations from

However, if your site was configured by certbot --apache, it should normally have set up ciphersuite and protocol defaults that are based on those recommended by Mozilla. So another possibility is that there is still some kind of firewall or other device in between that’s interfering with the connection.

On the server itself, you could also try running

openssl s_client -connect localhost:443 -servername

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