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mailu/core
bladeswords b13d143b34
Update to address issue #1178 (HTTP headers)
This change should remove the duplicate `x-xss-protection` header and also the `x-powered-by` header.  Hopefully a pull request to main is appropriate, but may be worth back porting to 1.7.

Tested config by modifying live 1.7 nginx config and reloading.  Has had the desired outcome of removing the headers.

```/etc/nginx # nginx -t -c /etc/nginx/nginx.conf 
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
/etc/nginx # nginx -s reload
```

These steps were based on:
- https://serverfault.com/questions/928912/how-do-i-remove-a-server-added-header-from-proxied-location
- https://serverfault.com/questions/929571/overwrite-http-headers-comming-back-from-a-web-application-server-proxied-in-ngi
- http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_hide_header
5 years ago
..
admin Resolve HOST_* to *_ADDRESS only if *_ADDRESS is not already set 5 years ago
dovecot Resolve HOST_* to *_ADDRESS only if *_ADDRESS is not already set 5 years ago
nginx Update to address issue #1178 (HTTP headers) 5 years ago
none Revert "Move alpine version definition out to variable" 5 years ago
postfix Resolve HOST_* to *_ADDRESS only if *_ADDRESS is not already set 5 years ago