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Custom DHCP Server essay paper
A Dynamic Host Configuration Protocol (DHCP) server is a computer which runs the DHCP Server service. It holds information about the available IP addresses and related configuration information as defined by the DHCP administrator and hence act in response to requests from DHCP clients..This protocol network simplifies the administrator’s work as he does not have to assign IP addresses manually. Instead, DHCP automatically assigns IP address leases to each client computer on the network. DHCP Server ensures that all the IP addresses are assigned only once that is unique. Installation of DHCP Server involves the following processes:
- Open Window Components wizard.
- Under Components, scroll to and click Networking Services.
- Click Details.
- Under Subcomponents of Networking Services, click Dynamic Host Configuration Protocol (DHCP), and then click OK.
- If prompted, type the full path to the Windows Server 2003 distribution files, and click Continue.
Required files are copied to the hard disk. However, DHCP Servers must be configured with a static IP address.
DHCP and DNS server have different setups. DNS (Domain Name Server) is more like a telephone directory that contains all the information about the host names and its IPs, and helps to translate the hostnames in to IP addresses while DHCP is engaged in assigning unique dynamic IP addresses and the corresponding subnet masks and default gateways to TCP/IP running computers within a particular server network.
DNS and DHCP servers can run on the same machine. If, for example, your local domain is set to something like “abc.local”, your PCs in the network would have names like accounting.abc.local, server.abc.local and so on. By having both the services configured together, you will be able to address local network by the computer name (“accounting” or “ScottsDesktop”, etc) without the “abc. local”.
DMZ configuration assists the dynamic nature of DHCP. Firewall controls and restricts traffic flow. It may block communication between your computer and DHCP Server. This is necessary because Firewall regularly communicates with your system to ensure that you are still connected and utilizing the IP address you have been leased. This communication occurs several times during the lease period and if the firewall is blocking this, then the DHCP server will most likely assume that you are no longer connected and revoke access via that IP address.
The consequences of Rogue DHCP Server can be any of the following:
- Loss of IP addresses and other settings (DNS, for example) by workstations
- IP addresses conflicts may be reported by workstations
- DHCP-related traffic grows drastically
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