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I just played around with some URLs and found out that requesting

http://[DOMAIN].de.de:443/

Always shows this message:

Bad Request Your browser sent a request that this server could not understand. Reason: You're speaking plain HTTP to an SSL-enabled server port. Instead use the HTTPS scheme to access this URL, please. Hint: default-62_116_182_44 Apache Server at default-62_116_182_44 Port 443

Opening the IP "62.116.182.44" shows "Parallels Plesk".

Try some domains:

test.de.de:443/

stuff.de.de:443/

dasjkdsakjdsajkjkdsa.de.de:443/

My question: Who is responsible for this? Denic?

user3503919
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1 Answers1

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You request a HTTP resource on port 443, where usually HTTPS servers reside. The server catches the invalid usage (because your request does not look like the start of a SSL handshake, but instead like a HTTP request) and replies to it in a way the browser can understand, e.g. by responding with an error message inside a HTTP response.

This has nothing to do with DENIC, its the setup of the web server by the owner of host.

Steffen Ullrich
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