Firewall.cx is always on the search for quality IT books that our readers can benefit from. Our Book Review section contains a wide range of hand-picked titles that are worth considering for your library. 

This section contains news related to popular IT Certifications and Study Guides. Readers will also find book reviews, certification exam updates, Discount coupons and much more.

The 'Cisco KnowledgeBase' section is one of the newest and most popular section on Firewall.cx. Dedicated to Cisco's leading technological inovations, this section offers articles covering multiple categories such Cisco Routers, Switches, Voice over IP and much more.

All articles are written by qualified engineers with years of experience and are complimented by our unique diagrams.

The quality of provided information is so high, readers can use it as a guideline for learning Cisco Technologies, but also for self-study exams.

We should note that Firewall.cx is only site, officially recommended by Cisco's Network Academy Program (see Site Related/Awards section), which confirms the validity of Firewall.cx and provided information.

Articles and examples provided in this section, cover the CCENT, CCNA, CCDA, CCNP & CCVP certification levels.

This section covers the Open Shortest Path First (OSPF) protocol. We analyse the OSPF protocol, explaining why the OSPF protocol exists, how OSPF works, OSPF concepts, OSPF Areas, OSPF router roles and much more.

Our OSPF section has been designed to cover engineers who are new to OSPF (CCNA level) and progressively covers OSPF CCNP professional level. Our articles include examples of OSPF configuration for Cisco routers, ensuring a complete coverage of the OSPF protocol.

Additional OSPF articles will be progressively added as we continuously expand the OSPF section.