The FREE Cybersecurity Glossary by Thor Pedersen!

RFC 3161: This RFC defines a protocol for Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP). It provides a means for proving that a set of data existed at a certain point in time and is used in digital signatures, software distribution, and other fields where time-stamping is critical for establishing data integrity and non-repudiation.

RFC 6960: An RFC that specifies the Online Certificate Status Protocol (OCSP), which is used for obtaining the revocation status of an X.509 digital certificate. OCSP serves as an alternative to certificate revocation lists (CRLs), providing more real-time, on-demand information about whether a certificate is still valid.

RFC 8907: RFC 8907 defines the TACACS+ protocol, which is used for secure device administration and supports centralized AAA (Authentication, Authorization, Accounting) for managing access to routers, switches, and other network devices. TACACS+ provides granular control over the user actions and ensures secure communication between the device and the AAA server. It is commonly implemented in networking environments where robust security is required.

RIPEMD-160 (Race Integrity Primitives Evaluation Message Digest): A cryptographic hash function used to generate a unique fixed-size signature for a message or data file. It is used in cybersecurity to verify the integrity of data and detect tampering. Examples include generating a message digest for a software update or a financial transaction.

ROM (Read-only Memory): A type of non-volatile storage used in computers and other electronic devices. It contains firmware that is permanently written during the manufacturing process and cannot be modified under normal computer operation. This makes ROM a secure place to store critical system instructions because they can't be altered or deleted by malicious software or user actions.

Routing Information Protocol (RIP): A distance-vector routing protocol used for smaller networks, which uses hop count as a routing metric. RIP limits the maximum number of hops to 15, beyond which the network is considered unreachable, and updates routing tables periodically, trading off between network load and routing accuracy.