I have the following issue. I created this danish website flaatinfo.dk that is also accessible by flåtinfo.dk.

The domain manager gave me a certificate for flaatinfo.dk but said that they could not generate one for flåtinfo.dk because it contains a special character.

Is there a way (in nginx setup) that I can redirect all HTTPS requests from flåtinfo.dk to flaatinfo.dk??

HTTP redirects seem to work fine but if I try to redirect HTTPS like this I get cert error in browser:

server {
    listen 443 ssl;
    server_name flåtinfo.dk www.flåtinfo.dk;
    return 301 https://flaatinfo.dk$request_uri;
}

CodePudding user response：

www.flåtinfo.dk is an internationalized domain name (IDN).

According to NGINX documentation for internationalized names:

domain names (IDNs) should be specified using an ASCII (Punycode) representation in the server_name directive

So you should specify it in NGINX configuration as xn--fltinfo-fxa.dk.

As for why your plain HTTP redirect worked anyway, it's probably because it didn't match any other domain so NGINX had to eventually choose it as default.

I get cert error in browser

Naturally, since you don't have a TLS certificate for your IDN, browsers will issue warnings. You need to get a TLS certificate for IDN to get rid of the warning. Let's Encrypt supports issuing certs for IDNs and is free of charge.

CodePudding user response：

Add redirect rule in .htaccess file present in root location