$request_id not logged in the nginx logs

[Georgi Georgiev]

Hello,
 I have enabled request_id headers in nginx (which works as reverse proxy) by the following way:

In nginx.co <http://nginx.com/>nf my log format hs included $request_id as follows:

log_format  main '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent $request_id "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for”';


In the ghost configs I have headers like the following:
location / {
...
add_header X-Request-Id $request_id;
proxy_set_header 	 X-Request-Id $request_id;

I would ike to accomplish the following thing.

1. In all logs and all requests (access, error, mod security audit logs) the request_id to be logged  (as it should be, but currently not work).
2. When I open the site X-Request-ID to be set in request headers, not only in response headers. Currently I have the x-request-id header only in the response headers.
3. When I have been blocked my some mod security rule with status 403 the headers to be present and the id to be logged too in the logs. Currently on 403 response I haven’t the header neither in request headers and response headers (only on normal query).

Can you please explain me where I am wrong? Thank you in advance.
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