DEN
Short for directory enabled network, a type of network that is managed from a central location. A DEN stores information about its users, network resources and applications in a database so that its operation can be managed from a central point by the network administrator. Any user that has an identification in the network can use any resource on the network as long as it has been predetermined that that user has the access privileges. For example, a student at a school can log on to any computer in the school��s network and access the resources that have been made available to him, such as applications, documents and network drives. Since access privileges are based on the individual and not the device, another person can subsequently sit at that same computer and using his identification and password have access to different resources than the person before him.
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- DEP
Data Execution Prevention (DEP) helps prevent damage from viruses and other security threats that attack by running (executing) malicious code from memory locations that only Windows and other programs should use. This type of threat causes damage by taking over one or more memory locations in use by a program. Then it spreads and harms […]
- DES
Short for Data Encryption Standard, a popular symmetric-key encryption method developed in 1975 and standardized by ANSI in 1981 as ANSI X.3.92. DES uses a 56-bit key and uses the block cipher method, which breaks text into 64-bit blocks and then encrypts them.
- DHA
Short for Directory Harvest Attack, DHA is a type of malicious Internet attack where online spammers collect valid e-mail address and target those addresses in a spam attack or sell the lists of valid e-mail addresses to unscrupulous marketers. In a DHA attack, the spammer will select a domain name, for example,
- Dynamic Host Configuration Protocol (DHCP)
Short for Dynamic Host Configuration Protocol, a protocol for assigning dynamic IP addresses to devices on a network. With dynamic addressing, a device can have a different IP address every time it connects to the network. In some systems, the device’s IP address can even change while it is still connected. DHCP also supports a […]
- DHCP Server Settings
DHCP (Dynamic Host Configuration Protocol) Server Settings are commonly found on broadband router firmware. The DHCP section is where you can configure the router’s built-in DHCP Server to assign IP addresses to the computers and other devices on your local area network (LAN). Other DHCP options include Enable DHCP Server and Add or Edit DHCP […]