Karteikarten
1.8
Karten in diesem Stapel (25)
- 1Organizing network devices• Windows HomeGroup
• Share files, photos, video, etc. between all devices
• Works on a single private network only
• Windows Workgroups
• Logical groups of network devices
• Each device is a standalone system, everyone is a
peer
• Windows Domain
• Business network
• Centralized authentication and device access
networks - 2HomeGroupEasily share information
• Windows 7 / Windows 8/8.1
• HomeGroup support was removed from Windows 10
• Documents, pictures, music, video
• A network for the home
• Must be set to “Home” in Windows
• Enable HomeGroup - A single password for everyone - 3WorkgroupsSmall departments
• Each computer maintains its own user information
• Non-centralized
• Manage in Control Panel / System - 4DomainsCentral database
• Active Directory Domain Services
• Designed for the enterprise
• User accounts are managed centrally
• Devices are added to the domain
• Manage all devices and users
• Deploy software
• Manage the operating system
• Manage in Control Panel / System - 5Join a domainCannot be a Windows Home edition
• Needs to be Pro or better
• Control Panel / System
• Need proper rights to add a computer - 6Network locations in Windows 7Automatically set security levels
• You don’t even have to remember
• Home
• The network is trusted
• Work
• You can see other devices, but can’t join a
HomeGroup
• Public
• Airport, coffee shop
• You are invisible - 7Network locations in Windows 8/8.1/10• Private
• Sharing and connect to devices
• Public
• No sharing or connectivity
• Network and Internet Status
• Change connection properties - 8Remote accessRemote Assistance
• Home editions
• One-time remote access
• Single-use password
• Chat, diagnostics, NAT traversal
• Remote Desktop Connection
• Non-Home editions
• Ongoing access
• Local authentication options
• May require port forwarding - 9Network sharesMake a folder available across the network
• “Share” with others, view in Windows Explorer
• Assign (map) a drive letter to a share
• Reconnect automatically
• Shares ending with a dollar sign ($) are “hidden”
• Not a security feature
• Control Panel / Administrative Tools / Computer
Management - 10Mapping drivesAccess a share
• This PC / Map network drive
• Local drive letter and share name
• May require additional authentication
• Or use the command line:
• net use x: \\sg-server\mission-reports - 11Printer sharesSimilar to sharing a folder
• But it’s a printer instead
• Windows Explorer
• Add a printer - 12Network setupControl Panel
• Network and Sharing Center
• Set up a new connection or network
• Step-by-step wizard - Confirmation during the
process
• Many different connections
• Direct, VPN, dial-up, etc.
• VPN concentrators - 13VPN connectionsBuilt-in VPN client - Included with Windows
• Integrate a smart card
• Multi-factor authentication
• Something you know
• Something you have
• Something you are
• Connect from the network status icon
• Click and provide credentials - 14Dialup connectionsModem connection - Standard phone lines
• Configuration
• Authentication, Phone number
• Connect / Disconnect from network status icon - 15Wireless connectionsNetwork name - SSID (Service Set Identification)
• Security type - Encryption method
• Encryption type - TKIP, AES, Security key
• WPA2-Personal
• Pre-shared key,
• WPA2-Enterprise
• 802.1X authentication - 16Wired connectionsEthernet cable - Direct connection
• Fastest connection is the default
• Ethernet, Wireless, WWAN
• Alternate configurations - When DHCP isn’t available - 17WWAN connections• Wireless Wide Area Network
• Built-in mobile technology
• Hardware adapter
• Antenna connections
• USB connected or 802.11 wireless
• Tether, Hotspot
• Requires third-party software
• Each provider is different - 18Enabling and disabling Windows Firewall• Your firewall should always be enabled
• Sometimes you need to troubleshoot
• Temporarily disable from the main screen
• Turn Windows Firewall on or off
• Requires elevated permissions
• Different settings for each network type
• Public / Private - 19Windows Firewall configurationBlock all incoming connections
• Ignores your exception list
• Useful when you need security
• Modify notification - App blocking - 20Creating a firewall exceptionAllow an app or feature through Windows Firewall
• The more secure exception
• Port number
• Block or allow
• Predefined exceptions
• List of common exceptions
• Custom rule
• Every firewall option - 21How Windows gets an IP addressDHCP (Dynamic Host Configuration Protocol)
• Automatic IP addressing - This is the default
• APIPA (Automatic Private IP Addressing)
• There’s no static address or DHCP server
• Communicate locally (link-local address)
• Assigns 169.254.1.0 to 169.254.254.255
• No Internet connectivity
• Static address
• Assign all IP address parameters manually
• You need to know very specific details - 22TCP/IP host addressesIP Address – Unique identifier
• Subnet mask – Identifies the subnet
• Gateway – The route off the subnet
to the rest of the world
• DNS – Domain Name Services
• Converts domain names to IP addresses
• DHCP – Dynamic Host Configuration Protocol
• Automates the IP address configuration
• Addresses can be dynamic or static
• Loopback address - 127.0.0.1 - It’s always there! - 23A backup for the DHCP serverMultiple DHCP servers should be configured for
redundancy
• There will always be one available
• If a DHCP server isn’t available, Windows uses the
Alternate Configuration
• The default is APIPA addressing
• You can also configure a static IP address
• Keep working normally - 24Network adapter propertiesLink speed and duplex
• Auto negotiation doesn’t always negotiate
• Both sides must match
• Wake on LAN
• Computer sleeps until needed
• Useful for late-night software updates - 25Quality of Service (QoS)Prioritize network traffic
• Applications, VoIP, and Video
• Infrastructure must support QoS
• Differentiated Services Code Points
(DSCP) field in the IP header.8 - Windows IP Address C
• IPv4 - Type of Service (ToS) field
• IPv6 - Traffic Class octet
• Manage through Local Computer Policy or Group Policy
• Computer Configuration / Windows Settings /
Policy-based QoS
BIOS settings
• Enable/disable network adapters
• On and off - Not much nuance
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- Beschreibung
- Karteikarten am 1.8, erstellt von Digital Lightning Photography am 06/08/2021.
- Erstellt von
- Digital Lightning Photography
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