ProductsDesktop Server Red Hat Enterprise Linux OpenStack Platform For IBM POWER For IBM System z For SAP Business Applications Satellite Management For Scientific ComputingExtended Update Support High Availability High Performance Network Load Balancer Resilient Storage Scalable File System Smart Management Extended Lifecycle SupportAccelerate Automate Integrate Red Hat JBoss BPM Suite Red Hat JBoss Developer Studio Portfolio Edition Web Framework Kit Application Platform Web Server Data Grid Portal Fuse Red Hat JBoss A-MQ BRMS Red Hat JBoss Fuse Service Works JBoss Operations Network JBoss Community or JBoss enterprise Red Hat JBoss Data Virtualization
SolutionsWhy Red Hat Why open hybrid cloud? The new IT Public cloud Cloud resource library Private cloud Infrastructure-as-a-Service (IaaS) Platform-as-a-Service (PaaS) Cloud applications and workloadsSolaris to Red Hat Enterprise Linux Migration overview Migrate from your UNIX platform How to migrate to Red Hat Enterprise Linux Upgrade to the latest Red Hat Enterprise Linux release JBoss Enterprise Middleware Benefits of migrating to Red Hat Enterprise Linux Migration services Start a conversation with Red Hat
TrainingPopular and new courses Red Hat JBoss Administration curriculum Core System Administration curriculum Red Hat JBoss Middleware Development curriculum Advanced System Administration curriculum Linux Development curriculum Cloud Computing, Virtualization, and Storage curriculum
ConsultingSOA and integration Business process management Cloud and virtualization Custom Software Development Enterprise Data and Storage Systems management Migrations
Restrict information accessible by web browsers and mail readers
With the exponential growth in World Wide Web use, there has been a corresponding increase in the risks associated with web content. Similarly, the growth in email has been accompanied by an avalanche of spam.
Web filtering—controlling a user's access to web content—has become an important, if sometimes controversial, capability. Though in some contexts it might constitute censorship, within a business context it can represent legitimate control of an employee's activities. And if you're building a product that will provide a web-based interface for children, then controlling what sites they can access is probably a requirement.
Just as email spam has become more insidious, filters that can block spam have become more capable. SpamAssassin is a widely used spam filter that employs multiple strategies for identifying and blocking spam.