Tomando como ejemplo en nombre del servidor "www.ideasoft.biz" y el puerto por defecto de https "443"
Portlets.properties
o3.http.host=www.ideasoft.biz
o3.http.port=443
liferay.port=443
O3Server.properties
http.host=localhost
http.port=8080
gis.o3portal.url = https://www.ideasoft.biz/o3portal
geoserver.url = https://www.ideasoft.biz/geoserver
eportal.url = https://www.ideasoft.biz/eportal
O3Web.properties
o3.http.upload.host=www.ideasoft.biz
o3.http.upload.port=443
urlPrefixRest=http\://localhost\:8080
urlPrefixChannel=https://www.ideasoft.biz/o3-parts-blaze-web
urlPrefixTicket=http\://localhost\:8080
urlPrefixResources=/o3-parts-blaze-web
urlPrefixUploadFiles=https://${o3.http.upload.host}:${o3.http.upload.port}
<o3>/liferay/tomcat/webapps/eportal/WEB-INF/classes/portal-ext.properties
host.name=demo.ideasoft.biz
o3.cas.server.host=${host.name}
o3.base.url=http://${host.name}
liferay.host=${host.name}
<o3>/liferay/tomcat/webapps/eportal/WEB-INF/web.xml
Buscar el filtro "o3ClientSSOLiferayFilter" y agregar el "init-param" llamado "serverName" con el valor "demo.ideasoft.biz" (en lugar de "localhost:8080)
<o3>/liferay/tomcat/webapps/o3-parts-web/WEB-INF/classes/portlets-config/portlets-config.properties
urlPrefixChannel=http\://demo.ideasoft.biz/o3-parts-web
urlPrefixUploadFiles=http\://demo.ideasoft.biz
Configuración de mod_jk en apache
(Luego de agregar los workers en el archivo "conf/workers.properties" agregar el host virtual en "conf.d/virtualhost.conf")
<VirtualHost *:80>
ServerName example.xxx.org
ServerAdmin webmaster@xxx.org
JKMount /o3web worker12
JKMount /o3web/* worker12
JKMount /exist worker12
JKMount /exist/* worker12
JKMount /o3report worker12
JKMount /o3report/* worker12
JKMount /cas worker12
JKMount /cas/* worker12
JKMount /o3-rest worker12
JKMount /o3-rest/* worker12
JKMount /rbac-rest worker12
JKMount /rbac-rest/* worker12
JKMount /o3-parts-blaze-web worker12
JKMount /o3-parts-blaze-web/* worker12
JKMount /o3bpa worker13
JKMount /o3bpa/* worker13
JKMount /eportal worker14
JKMount /eportal/* worker14
JKMount /eportalthemes worker14
JKMount /eportalthemes/* worker14
JKMount /o3-liferay-theme worker14
JKMount /o3-liferay-theme/* worker14
JKMount /geoserver worker14
JKMount /geoserver/* worker14
JKMount /o3-parts-web worker14
JKMount /o3-parts-web/* worker14
JKMount /o3portal worker14
JKMount /o3portal/* worker14
</VirtualHost>