Glossary

DNS

Domain Name Server - name server service which maps IP addresses to hosts names which are easier to remember.

SSH

Secure Shell - networking protocol for secure communication with remote systems.

Syslog

Events logging standard in computer systems. Syslog server collects and stores log data from networked devices, which can be later used for analysis and reporting.

Fingerprint

Characters string being a result of a hash function on input data, allowing to determine if the input data has been altered.

RDP

Remote Desktop Protocol - remote access protocol to computer systems running Microsoft operating system.

VNC

Remote access protocol to graphical user interfaces.

RADIUS

Remote Authentication Dial In User Service - networking protocol used to control access to different services within IT infrastructure.

Static password

Basic user authorization method which uses login and password combination to determine users’s identity.

Public key

Authentication method which uses a pair of keys - private (held only by the user) and public (publicly available) to determine user’s identity.

CERB

Complete user authentication and authorization solution, supporting different authentication methods i.e., mobile token (mobile phone application), static password, SMS one-time passwords, etc.

LDAP

Lightweight Directory Access Protocol - distributed catalog services management and access protocol in IP networks.

Active Directory

Users authorization and authentication in Windows domain.

CIDR

Short notation of network addressing, in which the IP address is written according to the IPv4 standard, and the subnet mask is provided as a number of 1 in the subnet mask in binary system (192.168.1.1 - 255.255.255.0; 192.168.1.1/24).

heartbeat

Network packet used for informing other cluster nodes about machine’s current state. If a cluster node does not receive a heartbeat packet in a given timeframe, it will take over the master node role and will start processing users’ requests.