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    • Peer Guardian

      Peer Guardian

      Peer Guardian is perhaps the most popular IP blocking software tool on the web. The Peer2Peer sharing community primarily uses Peer Guardian to block the RIAA, MPAA, and other organizations from tracking a sharer’s IP address and online activity. In addition to blocking IP addresses, Peer Guardian also blocks adware, spyware, and government and educational

    • Denial of Service (DoS) Attacks

      Denial of Service (DoS) Attacks

      A Denial of Service (DoS) attack is one that attempts to prevent the victim from being able to use all or part of his/her network connection. A denial of service attack may target a user to prevent him/her from making outgoing connections on the network. It may also target an entire organization to either prevent

    • RADIUS (Remote Authentication Dial in User Service)

      RADIUS (Remote Authentication Dial in User Service)

      RADIUS (Remote Authentication Dial In User Service), defined in RFC 2865, is a protocol for remote user authentication and accounting. RADIUS enables centralized management of authentication data, such as usernames and passwords. When a user attempts to login to a RADIUS client, such as a router, the router send the authentication request to the RADIUS

    • Port Forwarding

      Port Forwarding

      Port forwarding, also known as tunneling, is basically forwarding a network port from one node to the other. This forwarding technique allows an outside user to access a certain port (in a LAN) through a NAT (network address translation) enabled router. Advantages of Port Forwarding Port forwarding basically allows an outside computer to connect to

    • How Firewall Protection Works

      How Firewall Protection Works

      Firewall protection works by blocking certain types of traffic between a source and a destination. All network traffic has a source, a destination, and a protocol. This protocol is usually TCP, UDP, or ICMP. If this protocol is TCP or UDP, there is a source port and a destination port. Most often the source port

    • Single Sign-On

      Single Sign-On

      Single Sign-On is a concept that allows an end-user to access multiple, related but independent, software applications using a single account. That is, an end-user logs into his/her account only once and then access multiple applications without needing to login again. Single Sign-On is often abbreviated SSO. One the same line, Single Sign-Off is a

    • LDAP (Lightweight Directory Access Protocol)

      LDAP (Lightweight Directory Access Protocol)

      LDAP (Lightweight Directory Access Protocol) is a protocol for communications between LDAP servers and LDAP clients. LDAP servers store "directories" which are access by LDAP clients. LDAP is called lightweight because it is a smaller and easier protocol which was derived from the X.500 DAP (Directory Access Protocol) defined in the OSI network protocol stack.

    • TCP Sequence Prediction Attack

      TCP Sequence Prediction Attack

      A TCP sequence prediction attack is an attempt to hijack an existing TCP session by injecting packets which pretend to come from one computer involved in the TCP session. The TCP Sequence Prediction Attack TCP is a reliable connection-oriented layer 4 (Transport Layer) protocol. Packet transfer between hosts is accomplished by the layers below layer

    • Responding to Network Attacks and Security Incidents

      Responding to Network Attacks and Security Incidents

      Network Attacks Review A network attack occurs when an attacker or hacker uses certain methods or technologies to maliciously attempt to compromise the security of a network. Hackers attack corporate networks to use data for financial gain or for industrial espionage, to illegally use user accounts and privileges, to run code to damage and corrupt

    • Cyber Warfare

      Cyber Warfare

      Cyber warfare refers to a massively coordinated digital assault on a government by another, or by large groups of citizens. Estonia was subject to this kind of attack in 2006. The conflict apparently stemmed from a decision by the Estonian government to move a Soviet-era monument to another location, an action resented and protested against

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