Technical Specifications

Read more about the open standards and use of today's most innovative technologies that make Liferay Portal the de-facto open alternative to commercial portal products.

Deployment Compatibility

Operating Systems

Linux (CentOS, RHES, SUSE, Ubuntu, and others)
Unix (AIX, HP-UX, Mac OS X, Solaris, and others)
Windows

Servlet Containers

Jetty
Resin
Tomcat

Application Servers

Geronimo
GlassFish
JBoss
JOnAS
OracleAS
SUN JSAS
WebLogic
WebSphere

Java Runtimes

Java Standard & Enterprise Edition (SE/EE) 5
Java Standard & Enterprise Edition (SE/EE) 6

Databases

IBM DB2
MySQL
Oracle
PostgresSQL
SQL Server
Sybase

Public & Private Clouds

Liferay Portal is deployable to the cloud and virtualized environments, including EC2, Elastic Beanstalk, and VMWare.

Portal Details

Technologies Used

AJAX
Apache ServiceMix
ehcache
Groovy
Hibernate
ICEfaces
Java J2EE/JEE
JGroups
Lucene
MuleSource ESB
Seam
Spring 3.0 & AOP
Struts & Tiles
Tapestry
Velocity

Scripting Language Support

Javascript
Ruby
PHP
Python

Standards

AJAX
iCalendar & Microformat
JSR-168
JSR-127
JSR-170
JSR-286 (Portlet 2.0)*
JSF-314 (JSF 2.0)
OpenSearch
CMIS

Web Services

JSON
Hessian
Burlap
REST
RMI
Spring HTTP
WSRP (full support for 1.0 and 2.0)
WebDAV

Architecture

Hierarchical and extensible system of communities and organizations
Replicable templated communities and organizations
Message-oriented architecture leveraging Liferay's lightweight message bus, Mule, or ServiceMix ESB.
Dependency injection provides pluggable service implementations

Identity Management

LDAP Authentication and Synchronization
Oracle Access Manager
Novell Identity Manager
Sun Identity Manager / Open SSO
SiteMinder
Tivoli

Performance & Scalability

Clustering at any combination of tiers (presentation, service, business logic, and database)
Terracotta DSO integration
Advanced Caching (Ehcache, Memcached)
Page Caching
Load Balancing
Static Content Export
Portlet Performance Monitoring
Code Performance Monitoring

Security

Liferay Portal uses industry standard, government-grade encryption technologies including advanced algorithms such as DES, MD5 and RSA. Liferay was benchmarked as among the most secure portal platforms using LogicLibrary's Logiscan suite.

Pluggable Authentication
Email Verification
Granular Permissioning
LDAP Authentication
Session Management

Single Sign On

CAS and Siteminder out of the box
Support for JAAS, JOSSO, LDAP, Netegrity, Microsoft Exchange

Content Management

Document Library

JSR-170 compliant Java Content Repository
CMIS 1.0 Support
Check in/check out
Integration with Microsoft Office®
Versioning
Workflow
Fine grained permissioning
Multi-file uploads
File format conversion among common formats like Microsoft Office, PDF, TXT and HTML (import and export)
WebDAV enabled
Image gallery

Themes & Layout

User group page templates
Administrator-defined page/layout templates
Automatic page structure inheritance
jQuery standardized
Semantic & nonobtrusive markup
LAR import/export of themes
Hot-deployable

Language Support

I18N support for any language
Ships with default translations for 32 languages.

Web & Workspace Publishing

One-click page creation
Rich (WYSIWG) text editors
Separation of content from layout
Reusable content
CSS
Logical content templates using either Velocity or XSL
Bookmarks
Dynamically generated site taxonomy
Drag and droppable site map
Sitemaps protocol support
Search Engine Optimization (SEO)
OpenSearch
Live page editing
Staging and scheduling to remote servers
Friendly URLs
Meta tagging

Knowledge Management

KnowledgeBase portlet for team-driven creation of content and knowledge stores (see Features for details)
Taxonomy (categorization) framework
Framework to add taxonomies to custom portlets
Web Content Management, Wiki, Knowledge Base Taxonomy-enabled
Category-based navigation

Collaboration & Social

Wikis

Rich text editor (WYSIWYG)
Versioning & reversion
Creole syntax support
File attachments
Threaded comments
Recent changes tracking
LDAP integration
Tag-based navigation
RSS

Blogs

Rich Text Editor (WYSIWYG)
Social bookmarking
Threaded comments
Tags and Labels
Social Bookmarking
Rating system
Trackback URLs
RSS

Message Boards

Rich text editor (WYSIWYG)
Role-based permissioning
User data display
Threaded comments and categories management
Versioning
Statistics
Recent posts
Email based subscriptions
RSS
Presence

KnowledgeBase

Rich text editor (WYSIWYG)
Threaded articles
Versioning
Easy creation of content with templates
Print to PDF
File attachments
Integration with Open Search
Inheritance based permissioning
Inheritance based subscriptions/RSS
Rating system
Threaded comments

Calendar

AJAX-based interface
iCal and Microformats support
Task lists for event creation, management, and search
Events sharing across communities
Event reminders via email, IM, or SMS

Webmail Client

Rich text editor (WYSIWYG)
AJAX-based interface
Multiple email accounts
Supports IMAP and SMTP
Custom preconfigured accounts

Instant Messaging

AJAX-based IM client
User profile pictures
User controlled status updates
Chat sessions persist across all pages

Presence & Social

AJAX chat client
Dynamic friend list
Activity wall
Activity tracker with Activity Tracker API
Mashups & Integration

Mashups & Integration

User location map
Facebook
OpenSocial container / Shindig
iGoogle / Google Gadget
NetVibe

Alerts & Announcements

AJAX-based
Targeted group delivery
Remote delivery (email, SMS)