Originally Posted by
zkzkz
The canonical name is flyertalk.com.
www.flyertalk.com is just an alias for flyertalk.com:
The web server appears to respond to both virtual hosts with the same content.
No, it doesn't. If you go to flyertalk.com it redirects to
www.flyertalk.com.
Originally Posted by
zkzkz
It's much better to set up a virtual host for one of them that just does a 302 redirect to the preferred name and always use that preferred name.
You probably mean a 301, which is exactly what they send when you access flyertalk.com. (302 will work as well, but 301 is better)