The network interface is accessed, which is required for the communication between the workstation and the network. Generally, network interface card (NIC) which is also called an Ethernet card is used as a network interface for connecting on the network. As far as forensic laboratory security is concerned, data should not be allowed to be hacked, and unauthorized access should also be prevented. The workstations will use only a LAN (Local Area Network) interface. The communication from the internet will only be performed by the server which will be connected behind the firewall for filtration and virus prevention.
If the workstations will be provided with the global IP address, the threat ratio will increase significantly. NETWORK PROTOCOLSNetwork protocols are the sets of rules which are used for electronic communication between network devices and network-based electronic devices. Network protocols are of various types depending on the confidentiality and significance of data. Medium by which the data needs to be transferred is also important. REQUIREMENTSForensic Lab already consists of two types of medium for interchanging the data from the network to the network devices.
One medium is by the Ethernet cables and the other is by the Wi-Fi connection. The network protocols will be used as per the nature of data that needs to be transferred. If the password is traveling in the data packet, then SSL may be used for encrypting the data. On a wireless router, SSID protocol broadcast should be deactivated, preventing the wireless router for the UN-authorized to access. SSIS is a service set identifier that is used for capturing all the wireless routers within range when broadcasting from other routers. NETWORK SERVICE REQUIREMENTSNetwork services are the basic platform on which other integrated services are built, which are used for various purposes as per the organization's requirements. RECOMMENDED REQUIREMENTSActive Directory: It is a service that was launched by Microsoft Corporation.
As per the forensic lab requirements, active directory is the perfect solution for centralized administration, user security, preventing UN authorized data access, and if the system crashed the data will be restored by the profiles stored in the active directory server. Some core features I have mentioned here from Wikipedia (2009) are: “ Network services which are required for the forensic lab are:
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