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Managing high workload and concurrent accesses are challenging tasks for captive portal. The large number of clients generally creates high workload to the system. Furthermore, some worm or Trojan infected clients create a lot more traffic by spreading themselves through the network via HTTP protocol. Such stateful traffic typically leads to network attack, especially a SYN-Flooding. Additionally,...
Currently, the number of users accessing to the network is significantly increasing which requires a tightly control based on the organization policy. Network access control (NAC) is an essential tool focuses on checking and granting permission. In general, NAC requires specific network devices which may not work with the existing devices. In this paper, a Policy-Based Network Access Control framework...
In a very high-speed network environment such as gigabit Ethernet network, firewalls that have to inspect and filter all flowing packets are reaching their limits. A firewall running on a single machine is potential bottleneck and cannot scale over certain thresholds, even if it has particular hardware built-in. Hence, parallel system appears as an alternative approach under this circumstance. This...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.