Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects...
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Transcript of Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects...
![Page 1: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/1.jpg)
Wireless Network Security Overview
無線網絡系統保安概覽
![Page 2: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/2.jpg)
ASL experience in school projects
• Whole School Wireless Rollout
• Wireless Networking Project
• SAMS Project
• Web SAMS Project
• SIP
• MMLC Project
• ITED Project
• TSS
![Page 3: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/3.jpg)
Why Wireless
• to improve the interactive learning mode in school
• to extend the learning process from one computer room into all classrooms and certain open areas
![Page 4: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/4.jpg)
Wireless brings mobility. Examples are the following applications that can now be performed anywhere in a school.
Used for Library
-book reservation
-check loan records
-record renew
Used for teaching
-video sharing
-file sharing
Used for student assignment
-information searching
-knowledge sharing
![Page 5: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/5.jpg)
Internet
WebServer
FTPServer
MailServer
DMZ
Firewall
ISPRouter
L3Switch
File & PrintServer
MMLC
NetworkPrinter
MMLCUsers
File & PrintServer
SAMS
NetworkPrinter
SAMSUsers
File & PrintServer
ITED - Server Farm
DatabaseServer
AuthenServer
ITED - WLAN Users
Teachers Students Admin
ITED - LAN Users
AP@ClassRoom
AP@Corridor
AP@Playground
AP@Laboratory
AP@Library
AP@StaffRoom
Typical school IT environment
![Page 6: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/6.jpg)
Wireless LAN Security Issues
• IssueHacker can view all information being broadcasted in a wireless
networkAnyone in an Access Point coverage area can get on the wireless
LAN
WirelessUsers
APServer
Wired LANWirless LAN
WirelessSniffer
![Page 7: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/7.jpg)
Wireless LAN Security Solutions 1/2
802.11 Solution against the hacker IssueEncrypt all data transmitted between client and Access PointWithout encryption key, user cannot transmit or receive data
WirelessUsers
APServer
Wired LANWirless LAN
WirelessSniffer
![Page 8: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/8.jpg)
Wireless LAN Security Solutions 2/2
• 802.1x Solution for the Authentication Issue
![Page 9: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/9.jpg)
Key element of secured WLAN
• WPA’s technology
• 1) user authentication• 802.1x + EAP• 2) encryption• TKIP• 802.1x for dynamic key distribution• MIC
• >>> WPA = 1) + 2)•
![Page 10: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/10.jpg)
Wired LAN Security Issues
• IssueVirus attackIntruder attackSpam e-mail
• SolutionAnti-virusIDS/IPSContent FilterAnti-spam
![Page 11: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/11.jpg)
Sharing experience in school wireless rollout
• Convenience by Power over Ethernet
• When to use Roaming
• Why 802.11a/b/g
• Authentication and encryption setup
![Page 12: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/12.jpg)
School Wireless Lan Implementation Work Flow
Wireless Proposala) Number of APb) AP Locationc) Quotation
Accept by school?
Site Survey
No
Yes
Wireless Access Point Delivery
Please get a whole school floor plan ready
Implementation
![Page 13: Wireless Network Security Overview 無線網絡系統保安概覽. ASL experience in school projects Whole School Wireless Rollout Wireless Networking Project SAMS Project.](https://reader035.fdocuments.net/reader035/viewer/2022062800/56649de35503460f94ada86f/html5/thumbnails/13.jpg)
School Wireless Lan Implementation Work Flow
Finish
Delivery Data Node Installation
Access Point Hardware Installation
Re-configuration
User Acceptance
Test?
Wireless Software Configuration
Pass
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Thank You