Hi,

I'm facing a strange issue configuring virtual hosts on a server. I
don't see any misconfiguration yet it does not work as I expect it. I'd
like to ask for your help in debugging this. If the configuration is
incorrect, we can improve the documentation so that others do not commit
this mistake or if there is a bug in nginx, this could help in fixing it.

The problem is that I have two main domains, let's refer to them as
foobar.com and foo-bar.com (yes, one of them has a hyphen) and I want to
set up webmail and phpmyadmin canonical names that serve the
corresponding service and only allows https access. When unencrypted
http is used, it should redirect to the https version. The corresponding
part of the configuration is pasted below. The problem with this is that
it does not work as expected.
In Chrome, http://phpmyadmin.foo-bar.com erroneously redirects to
https://webmail.foobar.com, while http://phpmyadmin.foobar.com redirects
properly. The rest is fine.
In Firefox, surprisingly the redirection is different.
http://phpmyadmin.foo-bar.com works properly but
http://phpmyadmin.foobar.com redirects to https://webmail.foobar.com.
The rest works.

I cannot figure out where the wrong redirection comes from and why it
behaves differently in different browsers. Do you have any guess? Or any
suggestions how I could debug this?

Thanks in advance,
Gábor Kövesdán


server {
listen [::]:80;
server_name webmail.foobar.com www.webmail.foobar.com
webmail.foo-bar.com www.webmail.foo-bar.com;
return 301 https://webmail.foobar.com;
}

server {
listen [::]:80;
server_name phpmyadmin.foobar.com www.phpmyadmin.foobar.com
phpmyadmin.foo-bar.com www.phpmyadmin.foo-bar.com;
return 301 https://phpmyadmin.foobar.com;
}

server {
listen [::]:443 ssl;
server_name webmail.foobar.com www.webmail.foobar.com
webmail.foo-bar.com www.webmail.foo-bar.com;

root /usr/local/www/squirrelmail;

error_log /var/log/nginx/foobar.com-error.log error;
access_log /var/log/nginx/foobar.com-access.log main;

include php.conf;
}

server {
listen [::]:443 ssl;
server_name phpmyadmin.foobar.com www.phpmyadmin.foobar.com
phpmyadmin.foo-bar.com www.phpmyadmin.foo-bar.com;

root /usr/local/www/phpMyAdmin;

error_log /var/log/nginx/foobar.com-error.log error;
access_log /var/log/nginx/foobar.com-access.log main;

include php.conf;
}


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