Home Networking Copyright © 2006 Bill Knight. All rights reserved.
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Home Networking
Copyright © 2006 Bill Knight. All rights reserved.
Why Home Networking?
Share! Internet (broadband, even dial-up!)! Printer! External (USB) hard drives! Optical (CD, DVD) drives
! (but not burning)! Folders! Files
Wired Home Network
2 (or more) computers connected to routerModem connected to router! Internet shared
Network Setup Wizard! Shared folder(s)
Share Printer
Wired Home Network
Router
Cat-5cable Cat-5
cable
Internet shared
Printer shared
Folder(s) shared
Wireless Home Network
Router
Cat-5cable
Internet shared
Folder(s) shared
Printer shared
Some Terms
Wireless network connections! Ad-hoc ! Infrastructure
Wireless network protocols! 802.11b! 802.11g! 802.11n
Wireless Network ConnectionAd-hoc
Wireless Network ConnectionInfrastructure
RouterAccess Point
Cat-5cable
Client
Wireless Network Protocols
802.11b! Most common “public” protocol! Faster than most broadband! Usually only WEP security
802.11g (and “super” g)! Faster! Better security (WPA)
802.11n (“MIMO”)! More expensive
WEP and WPA Wireless Security
Technologies that "encrypt" wireless communicationsWEP! "Wireless Equivalent Privacy"
WPA (with AES)! "Wifi Protected Access"
WPA with TKIP/AES (WPA2)! AES (Advanced Encryption Standard)! TKIP (Temporal Key Integrity Protocol)
WPA2 Hotfix
For “Client” computersKB893357How do I know if I have it?Control Panel! Add or Remove Programs! Select “Show Updates”! Scroll down to “Windows XP – Software
Updates”
KB893357
Before we start
Workgroup (MSHOME) on all computersRouter/Access Point at “Default” settings! Router/Access point “wired” to a computer
Client/wireless computer! If hardware installed in computer, turn on! Or install Notebook Card! Or insert USB Adapter! Install hardware drivers (Plug and Play)
“Client” Computer
Open “My Network Places”
Select “View network connections”
Right click “Wireless Network Connection”
Select “Properties”
Note: “File and Printer Sharing for Microsoft Networks”
Scroll Down
Note: “Show icon …..”
Select “Internet Protocol”Select “Properties”
Select “Wireless Networks” Tab
Note: “Use Windows to configure ….”
Select “Advanced” Button
Note: “Access point (infrastructure) networks only
Explore for Wireless Networks
Right click wireless icon
Select “View Available Wireless Networks”
Select “Refresh Network List”
Select Wireless Network “linksys”
Select “Connect” button
Connected to Wireless Network “linksys”
Note Wireless Icon in System Tray
Unconnected
Scanning
Connected
Wireless Home Network
Router
Cat-5cable
Internet shared
Folder(s) shared
Printer shared
Exploring Network
Open “My Network Places”
Exploring Wireless Network
Hover over wireless icon in System Tray
Exploring Wireless Network
Right click wireless icon
Select “View Available Wireless Networks”
Select “Change advanced settings”
Select “Properties” Button
“linksys” Properties
What does this mean?! Network Authentication – Open! Data Encryption – Disabled
Anybody in neighborhood! Connects to “linksys”
Internet shared!
Further
Anybody in neighborhood! Connects to “linksys”! Workgroup name “MSHOME”
Folder(s) shared!Printer(s) shared!
And
Right click wireless icon
Select “Status”
Select “Support” Tab
“Default Gateway” is IP address of Router/Access Point
Start “Internet Explorer”
Type IP address (192.168.1.1) into “Address” bar
Enter “User Name” and “Password”
For Linksys Router/Access Point! User name – blank! Password – “admin”
Anybody in Neighborhood
Access to your Internet connectionAccess to your shared folders and filesAccess to your printer(s)Access to your router/access point
Wireless Security
Password/encrypt wireless from routerConnect client(s) to password/encrypted access point
Router/Access Point Settings
Start “Internet Explorer”Type IP address (192.168.1.1) into “Address”“Enter”
Enter “User Name” (blank)Enter “Password” – “admin”
Select “Wireless” Tab
Select a “Wireless Network Mode”; Select “Save Settings”
Select “Wireless Security” Tab
Select “Security Mode”
Select “Save Settings”
View “Available Wireless Networks”
Note: May need to Refresh network list”
Select “Connect” Button
Enter “Network Key”
“F9F5D99363”
“Secure” Wireless Network
“Secure” Wireless Network”
Without Network Key! Cannot connect to Internet! Shared folders and files not available! Shared printer(s) not available! No access to router/access point
Secure Wireless Home Network
Configure Router/Access PointConfigure ClientsSoftware! Router/Access Point
! Setup Utility! Client Wireless Hardware
! Monitor Utility
Router/Access Point Settings
Enable Wireless Security! WPA2, WPA, WEP(128), WEP(64)
Change SSID name! (Service Set Identifier)
Disable SSID BroadcastChange router/access point (User Name) and Password
Configure Router/Access Point
Open “Internet Explorer”Type Gateway IP address in “Address”EnterType (User Name), Password into password box! Default (for Linksys) – admin
OK
Router/Access Point Setup
Select “Wireless”Select Network Mode! G-Only
Wireless Network Name (SSID)! Saguaro
Wireless ChannelWireless SSID Broadcast! Disable
Save Settings
Select “Wireless Security” Tab
WEP (64)! Passphrase (GrandCanyon), “Generate” button! Use Key 1, for “Client(s)”! Save Settings
Select “Wireless Security” Tab
WEP (128)! Passphrase (GrandCanyon), “Generate” button! Use Key 1, for “Client(s)”! Save Settings
Select “Wireless Security” Tab
WPA! Passphrase (GrandCanyon)! Will need for “Client(s)”! Save Settings
Select “Administration”
Change “Router Password”! Save Settings
Client Settings
Computer with wireless hardware! Turn on or install hardware
View “Available Wireless Networks”Refresh Network ListConnect to Selected NetworkEnter Network Key
View “Available Wireless Networks”
Note: When Wireless SSID Broadcast disabled,network does not appear in wireless network list.
Select “Setup wireless network for home or small office”
Next
Check “Set up a new wireless network”
SSIDfrom
router/access point
Note: Check if using WPA
Manually Assign a Network Key
Note: Uncheck to see typed letters, otherwise “*” appear
Network keyfrom
router/access point
Next
Next
View “Available Wireless Networks”
Note: When Wireless SSID Broadcast disabled,network does not appear in wireless network list.
Select “Change the order of preferred networks”
Connectionto broadcastdisabledsecurenetwork
Select “Properties” Button
“Secure”wirelessnetwork
Home Networking
Install hardware! Router! Wireless! Modem
Setup workgroup! Share printer(s), folder(s), files(s)
Setup router, for wireless securityConnect client/wireless computer(s)
Potential Problems
Connecting to router/access point for setupClient/wireless hardware may not be compatible with router/access point settingsConnecting client to access point! Distance, interfering structures
When You Travel
Disable file and printer sharingUnshare all shared foldersDisable Ad-hoc modeWhen firewall software pops up! Select “Do not trust …”! Disable file and printer sharing
Turn off or remove wireless hardware! Enable only when needed
Delete unused wireless networks from preferred network list
Helpful Internet Sites
homenethelp.comSearch! Microsoft! Google
Software! Home network setup - purenetworks.com! Wireless security – McAfee.com
! Wireless Home Network Security
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