Apache SSL – Apache NameVirtualHost on Port 443 Ignores ServerAlias

apache-2.2sslvirtualhost

I've got a name-based virtual host setup on port 443 such that requests on host 'apple.fruitdomain' are proxied to the apple-app and requests on host 'orange.fruitdomain' are proxied to orange-app. This is working, but I'd like to add a ServerAlias for each such that requests on host 'apple' are proxied to apple-app and requests on host 'orange' are proxied to the orange-app. If I simply add a ServerAlias directive to the virtual host it doesn't work. ssl.conf below:

Listen 443
NameVirtualHost *:443
<VirtualHost *:443>
ServerName apple.fruitdomain
ServerAlias apple
SSLProxyEngine on
ProxyPass /apple-app https://localhost:8181/apple-app
ProxyPassReverse /apple-app https://localhost:8181/apple-app
...
</VirtualHost>
<VirtualHost *:443>
ServerName orange.fruitdomain
ServerAlias orange
SSLProxyEngine on
ProxyPass /orange-app https://localhost:8181/orange-app
ProxyPassReverse /orange-app https://localhost:8181/orange-app
...
</VirtualHost>

Interestingly if I do a similar setup but with port 80 then the ServerAlias works…

Best Answer

Well, from my testing it appears that the ServerAlias directive is ignored when using name-based virtual hosting on port 443 with Apache 2.2.15. This is probably due to the special SNI protocol requirement (SNI - Wikipedia; SNI - Apache Wiki). The work around is to create two separate virtual hosts; from my example one would have ServerName orange.fruitdomain and the other would have ServerName orange.

Related Solutions

Apache2 multiple hostnames redirected to one

To be fairly honest with you, the best approch i can see for this would be if you setup your main domain normally like this:

<VirtualHost *:80>
    ServerName www.example.com
    DocumentRoot /www/domain 
</virtualhost>

Then you create a new virtualhost that will hold all domains you want to redirect like this:

<VirtualHost *:80>
    ServerName example.com
    ServerAlias foo.example.com bar.example.com others.example.com
    DocumentRoot /www/redirect_folder 
</virtualhost>

Inside that folder make a simple index.php page that summons the 301 so any domains hold in there will be redirect to your main domain with the 301 code.

<?
Header( "HTTP/1.1 301 Moved Permanently" );
Header( "Location: http://www.example.com" );
?>

Why do you think it is better this way ?

This way you won't have to keep updating a bunch of places everytime you have a new domain to hold and redirct to your main domain and it won't be serving your users with the current name but will actually redirect them to your main domain in question.

If you are the server owner you can make it even better, you can put the 2nd virtualhost as the first virtualhost in your httpd.conf of vhost.conf file and whenever you hit the IP of your server it will lead you to the redirection page which will lead your users to the main domain in this case instead of having to set a bunch of ServerAlias you can just create the DNS A record for that given subdomain or domain leading to your IP and the server will take care of the rest.

In this last case all you would need for your virtual host would be:

<VirtualHost *:80>
    ServerName example.com
    DocumentRoot /www/redirect_folder 
</virtualhost>

as you dont need the ServerAlias since every and each request that hits your server IP will go to your first vhost.

In addition if you wanted to do this using .htaccess, it would be something like this i belive:

RewriteEngine on
rewritecond %{http_host} ^foo.example.com [nc]
rewriterule ^(.*)$ http://www.example.com/$1 [r=301,nc]

Linux – Apache Virtual Hosts Not Working

remove the NameVirtualHost *:80 or comment it #NameVirtualHost

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