krd/angie-conv-image
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Konstantin Demin
2025-06-05 11:01:19 +03:00
commit 48f13f97a3
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angie/autoconf/http-request-headers-forwarded.conf Normal file
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## ref:
## - https://www.digitalocean.com/community/tools/nginx?domains.0.reverseProxy.reverseProxy=true
map $remote_addr
$proxy_forwarded_elem
{
## IPv4 addresses can be sent as-is
~^[0-9.]+$ "for=$remote_addr";
## IPv6 addresses need to be bracketed and quoted
~^[0-9A-Fa-f:.]+$ "for=\"[$remote_addr]\"";
## Unix domain socket names cannot be represented in RFC 7239 syntax
default "for=unknown";
}
## ref:
## - https://www.digitalocean.com/community/tools/nginx?domains.0.reverseProxy.reverseProxy=true
## - https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Forwarded
map $http_forwarded
$proxy_add_forwarded
{
volatile;
## if the incoming Forwarded header is syntactically valid, append to it
"~^(,[ \\t]*)*([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?(;([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?)*([ \\t]*,([ \\t]*([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?(;([!#$%&'*+.^_`|~0-9A-Za-z-]+=([!#$%&'*+.^_`|~0-9A-Za-z-]+|\"([\\t \\x21\\x23-\\x5B\\x5D-\\x7E\\x80-\\xFF]|\\\\[\\t \\x21-\\x7E\\x80-\\xFF])*\"))?)*)?)*$" "$http_forwarded, $proxy_forwarded_elem";
## otherwise, replace it
default "$proxy_forwarded_elem";
}