This report provides an index of firewall tools as of May 2, 2011. It summarizes pertinent information, providing users a brief description of available firewall tools and contact information for each. CSIAC does not endorse, recommend, or evaluate the effectiveness of any specific tool. The written descriptions are based solely on vendors’ claims and are intended only to highlight the capabilities and features for over 60 firewall products. The report does identify sources of product evaluations when available.