Serious games have been used effectively in many educational domains. Games may be utilized efficiently to attract students to information security track. Learning practical knowledge about information security from a game is more engaging and less time consuming than learning through textbooks. Games that closely emulate real-world systems can improve learning about computer security above and beyond just reading technical documents and textbooks. From this perspective, this paper presents six serious games with various genres for teaching information security courses and evaluate their effectiveness as an efficient teaching tool. The study also determines which game genre is the most suitable for delivering educational contents. The obtained results proved and confirmed the hypothesis that educational games have a positive impact as a pedagogic tool on the educational process. According to users preferences', action/adventure game genre is the most preferred game genre followed by role-play.

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IPSec is a protocol that allows to make secure connections between branch offices and allows secure VPN accesses. However, the efforts to improve IPSec are still under way; one aspect of this improvement is to take Quality of Service (QoS) requirements into account. QoS is the ability of the network to provide a service at an assured service level while optimizing the global usage of network resources. The QoS level that a flow receives depends on a six-bit identifier in the IP header; the so-called Differentiated Services code point (DSCP). Basically, Multi-Field classifiers classify a packet by inspecting IP/TCP headers, to decide how the packet should be processed. The current IPSec standard does hardly offer any guidance to do this, because the existing IPSec ESP security protocol hides much of this information in its encrypted payloads, preventing network control devices such as routers and switches from utilizing this information in performing classification appropriately. To solve this problem, we propose a QoS-friendly Encapsulated Security Payload (Q-ESP) as a new IPSec security protocol that provides both security and QoS supports. We also present our NetBSD kernel-based implementation as well as our evaluation results of Q-ESP.

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