Added https vhost example for apple carddav

Apache/SOGo-apple-ab.conf

@@ -1,4 +1,52 @@
-# use *:8843 for SSL
+#
+#
+#   Keep only one of those vhost definition, comment out the other one
+#
+#
+
+# for https
+# don't forget to add a Listen parameter for port 8843:
+# Listen 8843
+<VirtualHost *:8843>
+  ServerName YOUR.SERVER.NAME
+
+  SSLEngine on
+
+  SSLProtocol -ALL +SSLv3 +TLSv1
+  SSLHonorCipherOrder On
+  SSLCipherSuite HIGH:MEDIUM:!ADH:!aNULL:!eNULL:!NULL
+  SSLCertificateFile    /path/to/your/cert/cert.pem
+  SSLCertificateChainFile /path/to/your/cert/cert-chain-file.pem
+  SSLCertificateKeyFile /path/to/your/key/file.key
+
+  RewriteEngine Off
+  ProxyRequests Off
+  SetEnv proxy-nokeepalive 1
+  ProxyPreserveHost On
+  ProxyPassInterpolateEnv On
+  ProxyPass /principals http://127.0.0.1:20000/SOGo/dav/ interpolate
+  ProxyPass /SOGo http://127.0.0.1:20000/SOGo interpolate
+  ProxyPass / http://127.0.0.1:20000/SOGo/dav/ interpolate
+  <Location />
+    Order allow,deny
+    Allow from all
+  </Location>
+
+  <Proxy http://127.0.0.1:20000>
+    RequestHeader set "x-webobjects-server-port" "8843"
+    RequestHeader set "x-webobjects-server-name" "CHANGETHIS:8843"
+    RequestHeader set "x-webobjects-server-url" "http://CHANGETHIS:8843"
+    RequestHeader set "x-webobjects-server-protocol" "HTTP/1.0"
+    AddDefaultCharset UTF-8
+  </Proxy>
+
+  ErrorLog /var/log/apache2/ab-error.log
+  CustomLog /var/log/apache2/ab-access.log combined
+</VirtualHost>
+
+# plain http
+# Same here, don't forget to add a Listen parameter for port 8800:
+# Listen 8800
 <VirtualHost *:8800>
   RewriteEngine Off
   ProxyRequests Off