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    • Honey Monkey

      Honey Monkey

      Honey monkeys are a new way of detecting malicious codes from websites that try to exploit certain vulnerabilities of Internet browsers. The honey monkey system works as an automated web/internet patrol system that is designed to detect harmful materials in the Internet, to be able to come up with solutions, and to catch the people

    • 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

    • Packet Sniffers

      Packet Sniffers

      Packet sniffing is listening (with software) to the raw network device for interesting packets. When the software sees a packet that fits certain criteria, it logs it to a file. The most common criterion for an interesting packet is one that contains words like “login” or “password.” To packet sniff, obtain or code a packet

    • 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

    • Free Firewall Software

      Free Firewall Software

      Free firewalls have become very common and represent an excellent alternative to commercial firewall packages. Most of these firewalls run under some form of Linux, FreeBSD, or OpenBSD. Many of these free firewalls are front-ends for the lower-level firewall packages which ship with these operating systems, such as pf (Packet Filter), ipf (IPFilter), ipfw (IPFirewall),

    • Access Control

      Access Control

      Access control is the execution of limitations and restrictions on whoever tries to occupy a certain protected property, thereby keeping people as safe as possible. As modern society moves further into the cyber age, these access control systems become almost completely computer controlled. This article will further explain what access control is, how it works,

    • 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

    • IP Address Spoofing

      IP Address Spoofing

      IP address spoofing denotes the action of generating IP packets with fake source IP addresses in order to impersonate other systems or to protect the identity of the sender. Spoofing can also refer to forging or using fake headers on emails or netnews to – again – protect the identity of the sender and to

    • Cisco VPN Error 412

      Cisco VPN Error 412

      The CISCO VPN Client is a popular software application that allows end-users to connect a computer to a VPN (virtual private network). Once connected, the client computer can leverage the resources of the remote network in a secure environment as if connected directly to the local network. Unfortunately, a common error that can arise for

    • 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

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