Essays on Web Server

Part 1

Today, malicious hackers are roaming on the internet with the intention of preying on unsuspecting web users by gaining access to web servers using various techniques, such as waterhole attacks and bait and switch. Bait and switch is a common method used today where users are told that they are downloading legitimate files, and briefly, they are, but it is then exchanged with a malicious item. Waterhole attacks occur when hackers “poison” the location that their targeted users normally meet, especially WI-FI hotspots. Defending against bait and switch attacks is the most challenging of the two in an organization ...

Abstract

Web servers are the building blocks of this generation distributed systems and plays a major role in the enterprise application architectures. Due to the flexibility and openness that these Web server centric computing model offers, though makes this ubiquity possible, it also opens up corporate data and processes to security threats. This paper focuses on the security of the public Web servers. There are many different vulnerabilities such as exploits utilizing software bugs in the underlying operating system, denial of service, unauthorized access of confidential information, man-in-the middle attacks, subvert the Web server and use it as a bot ...

Database management approach refers to the process of communication between users of a database and the database and the process of requesting data from the database, its retrieval and the mode of its transmission from the database to the user. Database management approaches are influenced by the mode of access to the database and the mode of storage of the data in the database. One of the database management approaches is the distributed database management system (DDMS) which has a single logical database physically divided among networked computers at different physical locations. Computers in the network communicate through messages. Distributed ...

1. Familiarise yourself with the various network addressing terms e.g. socket.

Socket: a socket is a combination of an IP address (where the computer is located) and a port and places it together into a single identity – a good analogy is a telephone where the actual phone connection is a combination of a given phone number and a particular extension. In computer networking, an Internet socket or network socket is an endpoint of a bidirectional inter-process communication flow across an Internet Protocol-based computer network, such as the Internet.

Subnet Mask: A subnetwork is a distinct and visible part of a single Internet Protocol wikipedia.org/wiki/Subnet_Mask

Gateway: A Gateway is a link between two ...