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+==== Satisfy Chromium/Chrome 58+ strict requirements for self-signed HTTPS/SSL cert ====
+**Create CA key and cert**
+  # openssl genrsa -out server_rootCA.key 2048
+  # openssl req -x509 -new -nodes -key server_rootCA.key -sha256 -days 3650 -out server_rootCA.pem
+**Create ''server_rootCA.csr.cnf''**
+<code>
+# server_rootCA.csr.cnf
+[req]
+default_bits = 2048
+prompt = no
+default_md = sha256
+distinguished_name = dn
+[dn]
+C=DE
+ST=Berlin
+L=NeuKoelln
+O=Weisestrasse
+OU=local_RootCA
+emailAddress=ikke@server.berlin
+CN = server.berlin
+</code>
+**Create ''v3.ext'' configuration file**
+<code>
+# v3.ext
+authorityKeyIdentifier=keyid,issuer
+basicConstraints=CA:FALSE
+keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
+subjectAltName = @alt_names
+[alt_names]
+DNS.1 = server.berlin
+</code>
+**Create server key**
+  # openssl req -new -sha256 -nodes -out server.csr -newkey rsa:2048 -keyout server.key -config <( cat server_rootCA.csr.cnf )
+**Create server cert**
+  # openssl x509 -req -in server.csr -CA server_rootCA.pem -CAkey server_rootCA.key -CAcreateserial -out server.crt -days 3650 -sha256 -extfile v3.ext
+**Add cert and key to Apache2 site-file, __HTTPS (port 443)__ section**
+<code>
+SSLCertificateFile    /etc/apache2/ssl/server.crt
+SSLCertificateKeyFile    /etc/apache2/ssl/server.key
+</code>
+**Copy ''server_rootCA.pem'' from the server to your machine..**
+<code>
+# scp you@server.berlin:~/server_rootCA.pem .
+</code>
+==== Add cert to the browser ====
+<code>
+Chromium -> Setting -> (Advanced) Manage Certificates -> Import -> 'server_rootCA.pem'
+</code>
+\\
+**YOU ARE ALL DONE!** \\
+\\
+{{:public:screenshot_at_2017-08-10_03-03-03.png?direct|}}
+----
+\\
+**P.S.** Instead of creating a functional CA & server cert pair (per the instructions above) you could simply disable HSTS headers in your HTTP server config. \\
+This will prevent Chromium from enforcing HTTPS and will allow users to click "Advanced -> proceed to __your.url__ (unsafe)" without having to obtain and install your custom CA (server_rootCA.pem) certificate. In other words -- having to disable HSTS will allow your site to be publicly viewed over HTTP and/or insecure HTTPS connection (beware!).
+**For Apache2 add the following to site-file, __HTTP (port 80)__ section**
+  Header unset Strict-Transport-Security
+  Header always set Strict-Transport-Security "max-age=0;includeSubDomains"