question about not found

[Christos Chatzaras]

> On 28 Feb 2019, at 15:53, Maxim Dounin <mdounin at mdounin.ru> wrote:
> 
> Hello!
> 
> On Thu, Feb 28, 2019 at 03:30:22PM +0200, Christos Chatzaras wrote:
> 
>>> On 28 Feb 2019, at 15:06, Christos Chatzaras <chris at cretaforce.gr> wrote:
>>> 
>>>> On 28 Feb 2019, at 14:47, Christos Chatzaras <chris at cretaforce.gr> wrote:
>>>> 
>>>> If I try to visit an image that doesn't exist I get:
>>>> 
>>>> "404 Not Found"
>>>> 
>>>> If I add a location / { } then I get:
>>>> 
>>>> "File not found"
>>>> 
>>>> In both cases using curl -I http://www.example.com/image.png I get:
>>>> 
>>>> HTTP/1.1 404 Not Found
>>>> Server: nginx
>>>> Date: Thu, 28 Feb 2019 12:46:56 GMT
>>>> Content-Type: text/html
>>>> Content-Length: 162
>>>> Connection: keep-alive
>>>> 
>>>> Any idea why it shows different message?
>>> 
>>> The "File not found" message is displayed with Safari. With Curl and Firefox it shows "404 Not Found".
>>> 
>>> Does Safari overrides the original message?
>> 
>> Finally I think it's related to nginx cache.
> 
> The only message generated by nginx itself is "404 Not Found".  If 
> you see different messages, they are generated elsewhere.  
> Depending on your exact configuration, this may be, for example, 
> your backend server, the "error_page" you've configured, or your 
> client.
> 
> Note well that there is a difference between what browser shows 
> and what "curl -I" shows.  While "curl -I" shows response headers, 
> browsers show the response body (or a "friendly" error page from 
> the browser itself in some cases).  To get something comparable 
> with what browsers show you have to use "curl" without "-I".
> 
> Also note that browsers cache responses by default, and testing 
> configuration changes with browsers might be tricky.
> 
> -- 
> Maxim Dounin
> http://mdounin.ru/

Thank you for the reply.

With fastcgi_intercept_errors enabled I always see the Nginx message.

I am searching now if the "File not found" message is generated from PHP-FPM.