Network Services Flashcards
DNS Server
converts domain name to ip address
managed by ISP or local IT
DHCP Server
Leases/Configures IP addresses to devices
most routers have it
enterprises use multiple servers for redundancy
File Server
centralized storage of files
used by SMB
Print Server
connects printer to network for access
Mail Server
sending/receiving mail
managed by IT or ISP
Syslog server
consalidates all system log files into central database
used to collect log files
Web Server
responds to browser requests
uses HTML/HTML 5 to build pages based off of the request
Authentication Server
centralizes all usernames & passwords to one authentication service
Function of Spam Gateways
Stops spam before it reaches the user
can be stored in the cloud
What is UTM (Unified Threat Manager)
All In one security system, consolidates all security functions to a single device
Features of UTM
Content inspection/ Filter
Malware inspection
Spam Filer
Has router and switch capabilites
acts a firewall
Function of Load Balancer
manages load across servers
uses tcp for constant connections
chaching for fast response
fault tollerances for server outages
prioritizationm of certain traffic
Function Proxy Server
stands between user and 3rd party service
client makes request
proxy perfroms request
provides result to client
What are legacy/ embedded systems
Very old systems that run very important services on them
A device built for only one service
IoT (internet of things) devices
devices connected to a network
smart devices w/voice commands
thermostats (air & temp control)
smart doorbells, doors