No certificate available

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1

Hello, what is elol.com error;

2020/01/26 10:16:35 http: TLS handshake error from 181.203.113.183:31365: no certificate available for ‘elol.com’
2020/01/26 10:26:39 http: TLS handshake error from 106.38.241.190:54610: no certificate available for ‘elol.com’
2020/01/26 10:32:11 http: TLS handshake error from 111.202.101.76:51008: no certificate available for ‘elol.com’
2020/01/26 10:38:28 http: TLS handshake error from 165.227.109.143:36486: no certificate available for ‘elol.com’
2020/01/26 10:39:07 http: TLS handshake error from 165.227.109.143:36604: no certificate available for ‘elol.com’
2020/01/26 10:41:26 http: TLS handshake error from 198.27.74.185:52311: no certificate available for ‘elol.com’

2

It means Caddy received elol.com in the SNI extension in the request delivered to it. It isn’t serving a website with that name, yet the request was delivered to it. This means elol.com points at the IP address of your server via DNS record (assuming usage and not especially crafted request). I assume the IP address is shared, a result of DNS cache, or client cache of old DNS result.

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3

This might be related to this issue: V2: Automatic https certificate errors

Because on his website elol.com I receive the same error as on mine.

4

@HNRK I don’t think so, because in his other threads, he wasn’t trying to configure that domain. See Caddy Windows streaming server - #14 by matrixebiz

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5

In such a case, you can check if the certificate is issued by crt.sh:

It seems that elol.com certificate has not been issued yet.

Then I looked at WHOIS:

   Domain Name: ELOL.COM
:
   Updated Date: 2019-04-08T09:43:13Z

The settings do not seem to have changed. Is the IP address of the server you are operating the same as before?
Otherwise, you have forgotten to set up a name server to build this server.
In order for Let’s Encrypt to issue a certificate, it must be sure that it has reached Caddy when referencing the domain.

If there is no change in the operation server, restart Caddy and check the log immediately after that. Caddy should have gotten some error in issuing the Let’s Encrypt certificate and logging it.

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6

Ahh I see, you are right! Thanks!

7

Hello, I don’t know what that message is for, does it look like someone is trying to hack my server from those IP’s?

8

It’s nothing that serious. I think you just inherited the IP address that someone else used to use, and that domain still points to your IP address. I don’t think it’s anything to be concerned about, ultimately. There’s a lack of IPv4 addresses, so this sort of thing is bound to happen.

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