Abstract
Nowadays, the communication through World Wide Web (WWW) is growing rapidly. All the gadgets, computer and handheld devices are connected via wire or wireless media and communicated to each others. Thus, network security is the essential requirement of an organization or individuals. Organizations are protecting their communication from unauthorized access by introducing network firewalls. A Firewall is an application program which runs on any platform such as windows, Linux, Solaris, Macintosh etc and protected the networks or systems via implementing policies and rules. In this paper, the performance of firewall is measured and compared on Windows and Linux platform individual. To evaluate the performance, a private network has been setup in which three machines are connected via a switch; one Windows machine running windows firewall, one Linux machine running Linux firewall (IPTable) and one more machine that acting as a client. On both the platforms, the performance is measured in two situations: first when network is traffic free and second network with traffic. When network is traffic free then both the platforms reflect the common normal processing behavior in context of time and packet received per second; and when packets are pumped at a very high speed in the network then the processing time and packet received per second increases exponentially in both the platforms.
Highlights
Due to the rapid growth of computer and World Wide Web (WWW), nowadays people are connected to the social networks by sharing huge amounts of information and it makes their life easier, faster and enjoyable
System A is running on windows platform and uses nmap to sends Transmission Control Protocol (TCP) packets at very high speed destined for the machine thar is running the firewall
The performance of software firewalls are measured on different platform (Windows and Linux) into two situations: traffic free network and network with traffic
Summary
Due to the rapid growth of computer and WWW, nowadays people are connected to the social networks by sharing huge amounts of information and it makes their life easier, faster and enjoyable. Internet Protocol (IP) packets are accepted or rejected based on information contained in the packet header. Packet which are incoming to or outgoing from the network an action has to be taken on the bases of rule matched whether to accept it or reject it [4]. It requires less memory since it does not store any information about the active connection. Application layer gateway operates at the application Layer and it intercepts all the packets sent to or from an application, while blocking all other packets that are not application-related It checks for application-based attacks and ensures integrity of the content flow between any TCP/IP devices.
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