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DNS Security Extensions
aliases: DNSSEC A spoofing and poisoning mitigation toolset via DNS request validation....
DHCP Relay
A function on routers that allows them to forward DHCP discover broadcast packets to DHCP servers...
Network Time Protocol
aliases: NTP Network clock synchronization protocol. Designed to be used in packet-swi...
Open Shortest Path First
aliases: OSPF A link-state dynamic routing protocol. OSPF stores the entire network to...
Enhanced Interior Gateway Routing Protocol
aliases: EIGRP A distance-vector dynamic routing protocol. Unlike RIP, EIGRP uses two ...
Border Gateway Protocol
aliases: BGP A specialized dynamic routing protocol for use in routing domains, interne...
Attenuation
The loss of signal strength over a network medium. Attenuation is measured in decibels (dB), whi...
MMF Cables
A type of fiber optic cable that uses multiple central cores in order to facilitate multiplex tra...
MAC Address
Media Access Control address: a 48-bit hexadecimal number used to identify computer systems by th...
First Hop Redundancy Protocols
aliases: FHRP Networking technique that configures failover routers that serve as the d...
Load Balancer
A hardware appliance or software program that distributes incoming client requests across a set o...
Multiprotocol Label Switching
A routing technique that directs data based on labels rather than network addresses. Often used i...
Discovery Protocols
An enumeration of some common host discovery protocols. Cisco Discovery Protocol Used in all Ci...
Temporal Key Integrity Protocol
A security protocol designed to enhance the security of WEP without introducing breaking changes.
Screened Subnet
A network segment that's isolated from the rest of a private network by one or more firewalls tha...
Block Ciphers
A symmetric encryption algorithm that encrypts data in set chunks, with varying chunk sizes. Com...
Stream Ciphers
A symmetric encryption method that encrypts data one bit at a time. The stream cipher is based o...
Digital Signature Algorithm
A more modern asymmetric encryption algorithm.
Transport Layer Security
An authentication and encryption service for the TCP/IP stack. Developed from the now obsolete SS...
Diffie-Hellman
An asymmetric encryption algorithm created to let two users that are stranger to each other to sa...