🔼 added $resolved_proto map

to ensure that the X-Forwarded-Proto and X-Forwarded-Scheme headers reflect the most accurate protocol. The resolved_proto variable prioritizes the X-Forwarded-Proto header (set by sources like Cloudflare or AWS) and falls back to $scheme when unavailable, then this value is used to set Scheme and Proto instead of $scheme
This commit is contained in:
Seyed Mansour Mirbehbahani 2024-12-29 09:41:42 +03:30
parent ec12d8f9bf
commit 993ce372b2
4 changed files with 13 additions and 5 deletions

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@ -2,8 +2,8 @@
{{ advanced_config }}
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Scheme $scheme;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Scheme $resolved_proto;
proxy_set_header X-Forwarded-Proto $resolved_proto;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header X-Real-IP $remote_addr;

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@ -0,0 +1,7 @@
# Resolve the effective protocol: use X-Forwarded-Proto if set
# (e.g., from proxies like Cloudflare or AWS)
# otherwise fall back to the current scheme.
map $http_x_forwarded_proto $resolved_proto {
default $scheme;
~.+ $http_x_forwarded_proto;
}

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@ -4,6 +4,8 @@
{% include "_hsts_map.conf" %}
{% include "_resolved_proto_map.conf" %}
server {
set $forward_scheme {{ forward_scheme }};
set $server "{{ forward_host }}";

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@ -1,8 +1,7 @@
add_header X-Served-By $host;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-Scheme $scheme;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Scheme $resolved_proto;
proxy_set_header X-Forwarded-Proto $resolved_proto;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Real-IP $remote_addr;
proxy_pass $forward_scheme://$server:$port$request_uri;