Axis C8033 - Page 18

AXISC8033NetworkAudioBridge
Thedeviceinterface
Certicatesareusedtoauthenticatedevicesonanetwork.Thedevicesupportstwotypesofcerticates:
•Client/servercerticates
Aclient/servercerticatevalidatesthedevice’sidentity,andcanbeself-signedorissuedbyaCerticateAuthority(CA).
Aself-signedcerticateofferslimitedprotectionandcanbeusedbeforeaCA-issuedcerticatehasbeenobtained.
•CAcerticates
YoucanuseaCAcerticatetoauthenticateapeercerticate,forexampletovalidatetheidentityofanauthentication
serverwhenthedeviceconnectstoanetworkprotectedbyIEEE802.1X.Thedevicehasseveralpre-installedCA
certicates.
Theseformatsaresupported:
•Certicateformats:.PEM,.CER,and.PFX
•Privatekeyformats:PKCS#1andPKCS#12
Important
Ifyouresetthedevicetofactorydefault,allcerticatesaredeleted.Anypre-installedCAcerticatesarereinstalled.
Filterthecerticatesinthelist.
Addcerticate:Clicktoaddacerticate.
Thecontextmenucontains:
•Certicateinformation:Viewaninstalledcerticate’sproperties.
•Deletecerticate:Deletethecerticate.
•Createcerticatesigningrequest:Createacerticatesigningrequesttosendtoaregistrationauthoritytoapply
foradigitalidentitycerticate.
IEEE802.1x
IEEE802.1xisanIEEEstandardforport-basednetworkadmissioncontrolprovidingsecureauthenticationofwiredandwireless
networkdevices.IEEE802.1xisbasedonEAP(ExtensibleAuthenticationProtocol).
ToaccessanetworkprotectedbyIEEE802.1x,networkdevicesmustauthenticatethemselves.Theauthenticationisperformedby
anauthenticationserver,typicallyaRADIUSserver(forexampleFreeRADIUSandMicrosoftInternetAuthenticationServer).
Certicates
WhenconguredwithoutaCAcerticate,servercerticatevalidationisdisabledandthedevicetriestoauthenticateitself
regardlessofwhatnetworkitisconnectedto.
Whenusingacerticate,inAxis'implementation,thedeviceandtheauthenticationserverauthenticatethemselveswithdigital
certicatesusingEAP-TLS(ExtensibleAuthenticationProtocol-TransportLayerSecurity).
Toallowthedevicetoaccessanetworkprotectedthroughcerticates,asignedclientcerticatemustbeinstalledonthedevice.
Clientcerticate:SelectaclientcerticatetouseIEEE802.1x.Theauthenticationserverusesthecerticatetovalidatethe
client’sidentity.
CAcerticate:SelectaCAcerticatetovalidatetheauthenticationserver’sidentity.Whennocerticateisselected,thedevice
triestoauthenticateitselfregardlessofwhatnetworkitisconnectedto.
EAPidentity:Entertheuseridentityassociatedwiththeclientcerticate.
EAPOLversion:SelecttheEAPOLversionthatisusedinthenetworkswitch.
UseIEEE802.1x:SelecttousetheIEEE802.1xprotocol.
Preventbrute-forceattacks
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