The plain HTTP request was sent to HTTPS port

[Igor Sysoev]

On Thu, Aug 20, 2009 at 09:05:18PM -0400, Ilan Berkner wrote:

> So we're doing a credit card transaction and it comes back from paypal on
> the return trip with that error (on our end).  The reason is that the return
> URL is:
> 
> http://www.domain.com:443/....
> 
> so its trying to access port 443 via http.
> 
> I won't know till tomorrow, but I hope that we can adjust the return URL to
> correctly be "https://www.domain.com... than it works as it should.
> 
> My question is, should I put something in the Nginx configuration file that
> if someone tries to access "http" using port 443, redirect them to https?
> If so, how?  Is that the correct way of going about it outside of correcting
> the return URL (which of course would be the ideal way), but in general,
> should requests coming to http://www.domain.com:443 be forced to HTTPS?

nginx supports some internal error codes to handle error_page redirection:

     error_page  497  https://$host$request_uri;

497 means that plain HTTP request was sent to HTTPS port.
 

-- 
Igor Sysoev
http://sysoev.ru/en/