added apache ssl config example

contrib/apache2/zammad_ssl.conf

@@ -0,0 +1,69 @@
+#
+# this is an example nginx config for zammad with free letsencrypt.org ssl certificates
+# replace all occurrences of example.com with your domain
+# when creating letsencrypt certificates the first time comment out the https parts in the config or nginx will not start
+# create letsencrypt certificate by: /usr/bin/letsencrypt certonly --rsa-key-size 4096 --duplicate --text --webroot-path /var/www/html/ --webroot -d example.com -d www.example.com
+# create dhparam.pem by: openssl dhparam -out /etc/ssl/dhparam.pem 4096
+# download x3 certificate by: wget -q https://letsencrypt.org/certs/lets-encrypt-x3-cross-signed.pem -P /etc/ssl
+# you can test your ssl configuration @ https://www.ssllabs.com/ssltest/analyze.html
+#
+
+#
+# this is the apache config for zammad
+#
+
+<VirtualHost *:80>
+    # replace 'localhost' with your fqdn if you want to use zammad from remote
+    ServerName your.domain.name
+    Redirect permanent / https://your.domain.name
+</VirtualHost>
+
+<VirtualHost *:443>
+    SSLEngine on
+    SSLProtocol all -SSLv2 -SSLv3
+    SSLCipherSuite EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH
+    SSLCertificateFile /etc/letsencrypt/live/your.domain.name/cert.pem
+    SSLCertificateKeyFile /etc/letsencrypt/live/your.domain.name/privkey.pem
+    SSLCertificateChainFile /etc/letsencrypt/live/your.domain.name/chain.pem
+
+    SSLOpenSSLConfCmd DHParameters /etc/ssl/dhparam.pem
+    SSLCertificateChainFile /etc/ssl/lets-encrypt-x3-cross-signed.pem
+
+    # replace 'localhost' with your fqdn if you want to use zammad from remote
+    ServerName localhost
+
+    ## don't loose time with IP address lookups
+    HostnameLookups Off
+
+    ## needed for named virtual hosts
+    UseCanonicalName Off
+
+    ## configures the footer on server-generated documents
+    ServerSignature Off
+
+    ProxyRequests Off
+    ProxyPreserveHost On
+
+    <Proxy localhost:3000>
+      Require local
+    </Proxy>
+
+    ProxyPass /assets !
+    ProxyPass /favicon.ico !
+    ProxyPass /robots.txt !
+    ProxyPass /ws ws://localhost:6042/
+    ProxyPass / http://localhost:3000/
+
+    DocumentRoot "/opt/zammad/public"
+
+    <Directory />
+        Options FollowSymLinks
+        AllowOverride None
+    </Directory>
+
+    <Directory "/opt/zammad/public">
+        Options FollowSymLinks
+	      Require all granted
+    </Directory>
+
+</VirtualHost>