Daikin brp069a42 - Page 44

Features
Web Application & Internet
43
• Control systems
• Centralised control systems • DCS601C51 •
Typeof
connection
When using a LAN (Intranet) within the company When using dialup When using an constant Internet connection
Use
scenarios
•A/CoperationviatheofcePC •A/CoperationviaPC’soneachoor •MonitoringofeachofceandsalesbranchfromHQ • Error messages via e-mail
•A/Coperationandstatusmonitoringfromremotelocations • Group monitoring by connecting whenever necessary • Error messages via e-mail
•A/Coperationandstatusmonitoringfromremotelocations •Groupmonitoringviaaconstantconnection(monitoringofthebuildings
andofces)
• PPD data can be accessed remotely via the internet • Error messages via e-mail
System
examples
The network environment and devicescongured by excising environmentof the target building and commercially available products.
Security
levelsfor
the system
example
•AllowsforsecuritywithintheIntranet •Username/passwordcontrolviaiTCwebfunctions *Ifinformation/datasuchaspasswordsareleaked,itispossiblethat
individuals(usersoftheIntranet)couldmaliciouslyoperatethesystem fromwithinthecompany
•Dialuproutersecurityfunction(phonenumber,usernameand
password in general) as well as username/password control via the iTCwebfunction
*Ifinformation/datasuchaspasswordsareleaked,itispossiblethat
the A/C system could be operated by an intruder.
* When connecting to the Intranet, it is possible that someone could
enter the Intranet unauthorized via a dialup environment
•Username/passwordcontrolviatheiTCwebfunction •Ifthereisnosecuritywithintheconstantconnectionenvironmentto
the web, available security is only the username/password control via theiTCwebfunction.
*Ifinformation/datasuchaspasswordsareleaked,itispossiblethat
an intruder could operation the A/C.
Proposals
forbetter
security
• Users can be limited by allowing only limited PCs to be able to acces
thewebviatheuseofrewallsandthelike
•Introductionofsecurityforconstantconnectionenvironmentvia
networkdevicesallowsforahigherlevelofsecurity
(Example) Introductionofnetworkdevices,suchasdialuprouters,thatfeature strictauthenticationofaccessesfromoutsidethecompany Unauthorizedaccesfromoutsidethecompanypreventedwithavirtual private network (VPN).
•Introductionofsecurityforconstantconnectionenvironmentvia
networkdevicesallowsforahigherlevelofsecurity
(Example) Unauthorizedaccesfromoutsidethecompanypreventedwithavirtual private network (VPN).
Bldg. C
Bldg. A
Intranetb/wbuildingsandofces
Screenfor4thoor
(BLDG.B)
Monitoringofofces
fromHQ
Useofarewallis necessary when connecting to the intranet
e-mail transmission
e-mail transmission
e-mail transmission
The Internet
e-mail
transmission
using an ISP/
mail server
Constant connection network using ADSL and the like
Group
monitoring
Dialup router
Group monitoring
Displays all A/Cs. (Bldg.A)
A/C operation/ monitoring via on-line fromoutsidethe company 1 on 1 connection: Allows monitoring/ operationonlyofthe location to wich the call was placed
A/C operation/monitoring viaon-linefromoutsidethe company * 1 on many (PSs) connection: Allowsmonitoring/operationof multiple locations
In-company mail server
*WhenconnectingalsototheIntranet,useofarewallisnecessaryas
inthecaseofdialup
Public line
Public line
In-company mail server
Intranet b/w buildings
Bldg. B
4F
4F
4F
4F
3F
3F
3F
3F
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2F
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