I received a question today about the postParameterLimit that was added to ColdFusion 8,9 by security hotfix APSB12-06 and exists in ColdFusion 10 by default (it is also configurable in the CF10 administrator).

Earlier this week at the 28C3 security conference in Berlin researchers presented on a denial of service (DOS) technique that several web application platforms (PHP, ASP.NET, Node.js, Tomcat, Java's HashMap/Hashtable etc) are vulnerable to, known as hashdos.