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    • 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

    • Port Scanner

      Port Scanner

      A port scanner is a program which attempts to connect to a list or range of TCP (Transmission Control Protocol) or UDP (User Datagram Protocol) ports on a list or range of IP addresses. Port scanners are used for network mapping and for network security assessments. The first decision to make when running a port

    • 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

    • RADIUS Server

      RADIUS Server

      RADIUS (Remote Authentication Dial In User Service) is a system procedure that offers centralized entrance, approval, as well as accounting administration for individuals or computers to add and utilize a network service. Individuals often need “Authentication” when they try to fix to a network. People have to face far more problems while connecting their computers

    • 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

    • Intrusion Detection System (IDS)

      Intrusion Detection System (IDS)

      Consumers commonly mistake an intrusion detection system (IDS)with a computer firewall. Although both applications have a similar goal to protect end-users from nefarious hackers and computer malware, an IDS differs from a firewall in that it can be either a device or software program created to monitor an individual computer, computing device, or network for

    • 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

    • 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

    • Firewalls

      Firewalls

      A firewall is a software component that restricts unauthorized inward network access. It allows outward information flow. It is set up to control traffic flow between two networks by configured permissions like Allow, Deny, Block, Encrypt, etc. It is normally employed to avoid illegal access to personal computers or corporate networks from external unsafe entities

    • How to Monitor Wireless Traffic

      How to Monitor Wireless Traffic

      Wireless traffic is considered to be those Internet protocol packets that are transmitted through an 802.11a, b, g, n, or i wireless protocol. Monitoring Requirements There are a few things to consider when planning to setup wireless traffic monitoring. First, the user must determine what kind of traffic will be monitored. Is the traffic to

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