From 5796ea0b152bc3bb59110fb9d061aad72a1a3c8e Mon Sep 17 00:00:00 2001
From: Christoph <ckubu@oopen.de>
Date: Tue, 5 Jan 2021 14:56:36 +0100
Subject: [PATCH] Add 'README.HTTP-Secure-Headers'.

---
 README.HTTP-Secure-Headers | 66 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 README.HTTP-Secure-Headers

diff --git a/README.HTTP-Secure-Headers b/README.HTTP-Secure-Headers
new file mode 100644
index 0000000..79b1f15
--- /dev/null
+++ b/README.HTTP-Secure-Headers
@@ -0,0 +1,66 @@
+server {
+
+   ...
+
+   # ==========
+   # HTTP security Headers
+   # ==========
+
+   # HSTS (ngx_http_headers_module is required) (15768000 seconds = 6 months)
+   #
+   add_header Strict-Transport-Security "max-age=31536000" always;
+
+   add_header X-Frame-Options "SAMEORIGIN" always;
+   add_header X-XSS-Protection "1; mode=block" always;
+   add_header X-Content-Type-Options nosniff always;
+
+   add_header Referrer-Policy "strict-origin";
+
+   # - Geteiltes Dokument öffnen
+   #
+   #      # Add Etherpad-Lite host to frame-src, so frame-src becomes:
+   #      #
+   #      #    #frame-src 'self' https://<etherpad-lite-host> https://www.youtube.com ;
+   #      #
+   #      #    i.e. etherpad-litehost = epad-01.oopen.de
+   #      #
+   #      frame-src 'self' https://epad-01.oopen.de https://www.youtube.com ;
+   #
+   #
+   # - YouTube-Video teilen
+   #
+   #      # Add https://www.youtube.com to script-src, so script-src becomes:
+   #      #
+   #      script-src 'self' 'unsafe-inline' https://www.youtube.com ;
+   #
+   #      # Add https://www.youtube.com to frame-src, so frame-src becomes:
+   #      #
+   #      frame-src 'self' https://meet-ep-pee7eiji-xein9aiy.oopen.de https://www.youtube.com ;
+   #
+   #      # Add https://img.youtube.com to img-src, so img-src becomes:
+   #      img-src 'self' https://img.youtube.com
+   #
+   #
+   # - Hintergrundschärfe aktivieren:
+   #
+   #       # Add https://storage.googleapis.com to connect-src, so connect source becomes:
+   #       #
+   #       connect-src 'self' https://storage.googleapis.com;
+   #
+   #       # Add blob: to script-src, so script-src becomes:
+   #       script-src 'self' 'unsafe-inline' https://www.youtube.com blob:
+   #
+   # Note!
+   #   Other directives (like worker-src, or child-src, or..) are falling back to 'default-src'.
+   #
+   add_header Content-Security-Policy "default-src 'none'; script-src 'self' 'unsafe-inline' https://www.youtube.com ; img-src 'self' https://img.youtube.com ; style-src 'self' 'unsafe-inline' ; font-src 'self'; frame-src 'self' https://meet-ep-pee7eiji-xein9aiy.oopen.de https://www.youtube.com ; object-src 'none'; frame-ancestors 'none'; form-action 'self'; base-uri 'self'; connect-src 'self' https://storage.googleapis.com ; media-src 'self'";
+
+   # Etwas allgemeiner dafür auch etws unsicherer formuliert:
+   #
+   #add_header Content-Security-Policy "block-all-mixed-content ; default-src 'none'; script-src 'self' 'unsafe-inline' https: blob: ; img-src 'self' https: ; style-src 'self' 'unsafe-inline' ; font-src 'self'; frame-src 'self' https: ; object-src 'none'; frame-ancestors 'none'; form-action 'self'; base-uri 'self'; connect-src 'self' https: ; media-src 'self'";
+
+
+   add_header Permissions-Policy "geolocation=();midi=();notifications=();push=();sync-xhr=();microphone=();camera=();magnetometer=();gyroscope=();speaker=(self);vibrate=();fullscreen=(self);payment=();";
+
+   ..
+}