Archive for the 'Security' Category

Ping of Death and Half open connection

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Continuing previous article about Network attack types, below are the other two attack which are ping of death and Half open connection, describe as below: Ping of Death is an attack (Denial of Service) DoS against a server / computer that is connected in a network. These attacks take advantage of existing features in the [...]

UDP Bomb Attack and IP spoofing

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UDP Bomb attack is an offensive type of Denial of Service (DoS) against a server or computers connected in a network. To perform a UDP Bomb attack against a server, an attacker sends an UDP (User Datagram Protocol) which has been engineered so dispoof or contain values ??that are invalid in certain fields. If the [...]

CMS Security

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Today many web developers using frameworks, cms, or other website builder to build their own sites. But between their ease of access and level of usage, don’t forget about security issues. Security issues usually consider as parts of hardware issues such as physical server and Operating system interference or any related IT environment issues. But [...]

Hop-Count Filtering (HCF)

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Hop-Count Filtering, proposed by Jin et al. A research project at the University of Michigan, aimed at defending against DDoS by observing the TTL value (time to live, the number of hops or routers a packet will travel before getting discarded to avoid network loops—the value gets decremented at each router the packet traverses) in [...]

Ingress and Egress Filtering

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The terms ingress and egress mean, respectively, the acts of entering and exiting. In an interconnected network of networks, such as the Internet, what leaves (egresses) one network will enter (ingress) another. It is extremely important to clearly define the location where the filtering is done with respect to the network whose traffic is being [...]