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mailu/nginx/nginx.conf.default

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# Basic configuration
user nginx;
worker_processes 1;
error_log /dev/stderr info;
pid /var/run/nginx.pid;
include /etc/nginx/modules/devel_kit.conf;
include /etc/nginx/modules/http_lua.conf;
events {
worker_connections 1024;
}
# Environment variables used in the configuration
env WEBMAIL;
env WEBDAV;
env EXPOSE_ADMIN;
http {
# Standard HTTP configuration with slight hardening
include /etc/nginx/mime.types;
default_type application/octet-stream;
access_log /dev/stdout;
sendfile on;
keepalive_timeout 65;
server_tokens off;
server {
listen 80;
listen 443 ssl;
# TLS configuration hardened according to:
# https://bettercrypto.org/static/applied-crypto-hardening.pdf
ssl_protocols TLSv1.1 TLSv1.2;
# ssl_ciphers 'EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA256:EECDH:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!IDEA:!ECDSA:kEDH:CAMELLIA128-SHA:AES128-SHA';
ssl_ciphers 'EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:EDH+aRSA:!RC4:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS';
ssl_prefer_server_ciphers on;
ssl_session_timeout 5m;
ssl_session_cache shared:SSL:50m;
ssl_certificate /certs/cert.pem;
ssl_certificate_key /certs/key.pem;
add_header Strict-Transport-Security max-age=15768000;
if ($scheme = http) {
return 301 https://$host$request_uri;
}
# Load Lua variables
set_by_lua $webmail 'return os.getenv("WEBMAIL")';
set_by_lua $webdav 'return os.getenv("WEBDAV")';
set_by_lua $expose_admin 'return os.getenv("EXPOSE_ADMIN")';
include http.d/*.conf;
# Actual logic
location / {
if ($webmail != none) {
return 301 $scheme://$host/webmail/;
}
if ($webmail = none) {
return 403;
}
}
location /webmail {
if ($webmail != none) {
proxy_pass http://webmail;
}
if ($webmail = none) {
return 403;
}
}
location /admin {
if ($expose_admin = yes) {
proxy_pass http://admin;
}
if ($expose_admin != yes) {
return 403;
}
}
location /webdav {
if ($webdav != none) {
proxy_pass http://webdav:5232;
}
if ($webdav = none) {
return 403;
}
}
location /.well-known/acme-challenge {
proxy_pass http://admin:8081;
}
}
}
include extra.d/*.conf;