Nortel 4600 Owner's manual

Nortel
Brand
Nortel
Model
4600
Category
Network switches
Type
Owner's manual

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©Copyright2001NortelNetworks.
ThisdocumentmaybefreelyreproducedanddistributedwholeandintactincludingthisCopyrightNotice.
Contivity™ExtranetSwitch4600
FIPS140-1Non-Proprietary
CryptographicModuleSecurityPolicy
Level2Validation
June2001
2
TableofContents
1 Introduction .............................................................................................................. 3
1.1 Purpose................................................................................................................. 3
1.2 References............................................................................................................ 3
1.3 DocumentOrganization....................................................................................... 3
2 TheContivityExtranet4600Switch....................................................................... 5
2.1 CryptographicModule......................................................................................... 5
2.2 ModuleInterfaces ................................................................................................ 5
2.3 PhysicalSecurity.................................................................................................. 7
2.4 RolesandServices............................................................................................. 10
2.4.1 CryptoOfficerServices............................................................................... 11
2.4.2 UserServices............................................................................................... 12
2.5 KeyManagement............................................................................................... 13
2.6 Self-tests............................................................................................................. 14
3 SecureOperationoftheContivitySwitch............................................................ 15
3
1 Introduction
1.1 Purpose
Thisisanon-proprietarycryptographicmodulesecuritypolicyfortheContivity™
ExtranetSwitch4600.ThissecuritypolicydescribeshowtheContivity™Extranet
Switch4600meetsthesecurityrequirementsofFIPS140-1,andhowtooperatethe
Contivity™ExtranetSwitch4600inasecureFIPS140-1compliantmodeofoperation.
ThispolicywaspreparedaspartoftheFIPS140-1Level2multi-chipstandalone
certificationoftheContivity™ExtranetSwitch4600.
FIPS140-1(“FederalInformationProcessingStandardsPublication140-1--Security
RequirementsforCryptographicModules”)detailstheU.S.Governmentrequirements
forcryptographicmodules.MoreinformationabouttheFIPS140-1standardand
validationprogramisavailableontheNISTwebsiteat
http://csrc.nist.gov/cryptval/.
1.2 References
ThisdocumentdealsonlywithoperationsandcapabilitiesoftheContivity™Extranet
Switch4600inthetechnicaltermsofaFIPS140-1cryptographicmodulesecuritypolicy.
MoreinformationisavailableontheContivity™ExtranetSwitch4600andtheentireline
ofContivity™productsfromthefollowingsources:
• TheNortelNetworkswebsitecontainsinformationonthefulllineof
Contivityproductsat
www.nortelnetworks.com.
• Foranswerstotechnicalorsalesrelatedquestionspleaserefertothecontacts
listedontheNortelNetworkswebsiteat
www.nortelnetworks.com.
1.3 DocumentOrganization
ThisdocumentispartofthecompleteFIPS140-1submissionpackage.Inadditiontothis
document,thecompletesubmissionpackagecontainsthefollowing:
♦ Vendorevidencedocument
♦ Finitestatemachine
♦ Sourcecodelisting
♦ Othersupportingdocumentation
ThisdocumentprovidesanoverviewoftheContivity™Switchandexplainsthesecure
configurationandoperationofthemodule.Section1providesintroductorymaterial,
section2detailsthegeneralfeaturesandfunctionalityoftheContivity™Switchand
section3addressesconfigurationoftheswitchforFIPS-compliantmodeofoperation,
henceforthreferredtoasFIPSmode.
CorsecSecurity,Inc.producedthissecuritypolicyandothercertificationsubmission
documentationundercontracttoNortelNetworks.Withtheexceptionofthisnon-
4
proprietarysecuritypolicy,theFIPS140-1certificationsubmissiondocumentationis
Nortel-proprietaryandisreleasableonlyunderappropriatenon-disclosureagreements.
PleasecontactNortelNetworksforaccesstothesedocuments.
5
2 TheContivityExtranet4600Switch
TheNortelNetworksContivityExtranetSwitch4600(referredtoasthemodule,or
Switchinthisdocument)providesascalable,secure,manageableremoteaccessserver
thatmeetsFIPS140-1level2requirementsforamultiple-chipstandalonemodule.The
followingsectionsdescribehowtheSwitchaddressesFIPS140-1requirements.
2.1 CryptographicModule
TheContivityExtranetSwitchcombinesremoteaccessprotocols,security,
authentication,authorization,andencryptiontechnologiesinasinglesolution.
Figure1–TheContivityExtranet4600Switch
TheSwitchcansupportupto5000simultaneoususersessions,allowingeachuserto
exerciseavarietyofsecureservices.TheSwitchsupportsanumberofsecurenetwork-
layeranddata-link-layerprotocolsincludingInternetProtocolSecurity(IPSec),Point-to-
PointTunnelingProtocol(PPTP),LayerTwoTunnelingProtocol(L2TP),andLayerTwo
Forwarding(L2F).ThearchitecturefortheSwitchisuser-centric,whereanindividual
userorgroupofuserscanbeassociatedwithasetofattributesthatprovidecustomaccess
totheExtranet.Ineffect,youcancreateapersonalizedextranetbasedonthespecific
needsofauserorgroup.TheuniqueQualityofService(QoS)featuresincludecall
administrationandpacketforwardingpriorities,andsupportforResourceReSerVation
Protocol(RSVP).
2.2 ModuleInterfaces
TheinterfacesfortheSwitcharelocatedontherearpanelasshowninFigure2.
6
Figure2–PhysicalInterfaces
Thephysicalinterfacesincludeapowerplug,powerandresetswitches,aserialport,a
LANPortRJ-45connectoranduptotwoadditionalnetworkconnectors.EachRJ-45
connectorisaccompaniedbylightemittingdiodes(LEDs).TheLANPortLEDs,with
thegreenLEDindicating100MbpsactivityandtheorangeLEDindicatinglinkstatusand
activity,arelocatedonthebackpanelofthemodule.MoreinformationontheLEDsand
theLANPortinterfacecanbefoundinGettingStartedwiththeContivityExtranetSwitch
4600.
Thephysicalinterfaces,theLANport,the10/100Base-TXports,serialsportandstatus
LEDs,maptothelogicalinterfacesdefinedinFIPS140-1asdescribedinTable1.
Switchphysicalinterface
FIPS140-1LogicalInterface
10/100BASE-TXLANPorts,
LANPort
DataInputInterface
10/100BASE-TXLANPorts,
LANPort
DataOutputInterface
PowerSwitch,
ResetSwitch,
SerialPort,
LANPort
ControlInputInterface
LANPortLEDs,
10/100BASE-TXLANPortLEDs
SerialPort
StatusOutputInterface
PowerPlug PowerInterface
Table1–FIPS140-1LogicalInterfaces
7
2.3 PhysicalSecurity
AthicksteelcaseprotectstheContivity™ExtranetSwitch4600.TheswitchmeetsFCC
requirementsin47CFRPart15forpersonalcomputersandperipheralsdesignatedfor
homeuse(ClassB).Thecasehastworemovableportions:thefrontbezelandthetop
cover.Removingthefrontbezelallowsaccesstothefloppydrive.Thefollowing
diagramshowshowtoremovethefrontbezel.
Note:ThestepsrequiredtoremovethefrontbezelarethesamewhetherornottheSwitch
israckmounted.
Figure3-Removingthefrontbezel
8
Figure4–Frontviewwithoutfrontbezel
OncetheExtranetSwitchhasbeenconfiguredinitsFIPS140-1level2mode,thecover
maynotberemovedwithoutsignsoftampering.Tosealthecover,applythreeserialized
tamper-evidentlabelsasfollows:
1. Cleanthecoverofanygrease,dirt,oroilbeforeapplyingthetamper-evidentlabels.
Alcoholbasedcleaningpadsarerecommendedforthispurpose.Thetemperatureof
theswitchshouldbeabove10°C.
2. Applytwo(2)labelsonthetopcoveroverlappingthesideandtherearofthechassis
asshowninFigure5.
3. Applytwo(2)labelsonthetopandbottomoverlappingthefrontbezelasshownin
Figure5.
4. Applyone(1)labeloverthekeyboardbuttoncoverasshowninFigure5.
5. Recordtheserialnumbersofthelabelsappliedtothemodule.
6. Allow24hoursfortheadhesiveinthetamper-evidentsealstocompletelycure.
9
Figure5–Tamper-EvidentLabelsAppliedtoSwitch
Thetamper-evidentsealsareproducedfromaspecialthingaugewhitevinylwithself-
adhesivebacking.Anyattempttoopentheswitchwilldamageordestroythetamper-
evidentsealsorthepaintedsurfaceandmetalofthemodulecover.Sincethetamper-
evidentlabelshavenon-repeatedserialnumbers,thelabelsmaybeinspectedfordamage
andcomparedagainsttheappliedserialnumberstoverifythatthemodulehasnotbeen
tampered.AnintactlabelisshowninFigure6,withavisibleserialnumberandno
breaks.
FIPS140-1Level2TamperEvidentLabel
A567422
ContivityExtranetSwitch
Figure6–Tamper-EvidentLabel
Attemptingtoremovealabelbreaksitorcontinuallytearsoffsmallfragmentsas
depictedinFigure7.Othersignsoftamper-evidenceincludeastrongsmelloforganic
solvents,warpedorbentcovermetal,andscratchesinthepaintonthemodule.
FIPS140-1Level2TamperEvidentLabel
A567422
ContivityExtranetSwitch
Figure7–DamagedTamper-EvidentLabel
10
2.4 RolesandServices
Theswitchsupportsupto5000simultaneoususersessionsusingInternetProtocol
Security(IPSec),Point-to-PointTunnelingProtocol(PPTP),LayerTwoTunneling
Protocol(L2TP),andLayerTwoForwarding(L2F).Inaddition,anadministratormay
securelyconfiguretheswitcheitherlocallyorremotely.Remoteadministrationissecured
byoneofthesecuretunnelingprotocolssupportedbythebox.Theadministratorselects
whichprotocolsareusedfromtheServices-Availablemenu.
TheSwitchemploysrole-basedauthenticationofusers,andstoresuseridentity
informationinaninternalLightweightDirectoryAccessProtocol(LDAP)database.
Authenticationcanoptionallybeperformedagainstavarietyofexternalserversusing
LDAPorRADIUS,includingNovellNDS,MicrosoftWindowsNTDomains,Security
DynamicsACEServer,andAxentOmniGuardDefender.
Service CryptoOfficer User
ConfiguretheSwitch
CreateUserGroups
CreateUsers
ModifyUserGroups
ModifyUsers
DeleteUserGroups
DeleteUsers
DefineRulesandFilters
StatusFunctions
ManagetheSwitch
EncryptedTraffic
ChangePassword
Table2–MatrixofServices
Usersmayassumeoneoftworoles:CryptoOfficerroleorUserrole.Anadministratorof
theswitchassumestheCryptoOfficerroletoconfigureandmaintaintheswitch.The
CryptoOfficerrolemayhavethefollowingrights:
• Switchmanagementrights:(none,viewswitch,ormanageswitch).View
switchpermitsanadministratortoviewalltheconfigurationandstatus
informationontheswitch.Manageswitchpermitsanadministratorto
configuretheswitchandchangecriticalsettings.
• Usermanagementrights:(none,viewusers,ormanageusers).Viewusers
permitsanadministratortoreviewalluseraccountsandsettingsontheswitch.
Manageusersrightsallowsanadministratortocreate,modify,anddelete
users.
AUserauthenticatesandassumestheUserroletoaccessthefollowingservices:
11
• IPSecProtocolTunnels
• PPTPProtocolTunnels
• L2TPProtocolTunnels
• L2FProtocolTunnels
• ChangePassword
2.4.1 CryptoOfficerServices
ThereisafactorydefaultloginIDandpassword,whichallowsaccesstotheCrypto
Officerrole.Thisinitialaccountistheprimaryadministrator'saccountfortheSwitch,
andguaranteesthatatleastoneaccountisabletoassumetheCryptoOfficerroleand
completelymanagetheswitchandusers.Theswitchcanalsobeconfiguredto
authenticatebasedonRSAdigitalsignatures.Anadministratoroftheswitchmayassign
permissiontoaccesstheCryptoOfficerroletoadditionalaccounts,therebycreating
additionaladministrators.EachadministratorwouldhaveaseparateIDandpassword.
Administratorsmayalwaysaccesstheswitchandauthenticatethemselvesviatheserial
port.TheymayalsoauthenticateasaUseroverasecuretunnelandthenauthenticateto
theswitchasaCryptoOfficerinordertomanagetheswitch.Anadministratorcanalso
configuretheswitchtoallowordisallowmanagementviaaprivateLANinterface,
withoutusingasecuretunnel.InitiallythedefaultconfigurationallowsHTTP
managementontheprivateLANinterfaceoftheSwitchwithoutrequiringasecure
tunnel.
Atthehighestlevel,CryptoOfficerservicesincludethefollowing:
• ConfiguretheSwitch:todefinenetworkinterfacesandsettings,setthe
protocolstheswitchwillsupport,defineroutingtables,setsystemdateand
time,loadauthenticationinformation,etc.
• CreateUserGroups:todefinecommonsetsofuserpermissionssuchas
accesshours,userpriority,passwordrestrictions,protocolsallowed,filters
applied,andtypesofencryptionallowed.Administratorscancreate,editand
deleteUserGroups,whicheffectivelydefinesthepermissionsetsfora
numberofUsers.
• CreateUsers:todefineUseraccountsandassignthempermissionsusing
UserGroups.EveryUsermaybeassignedaseparateIDandpasswordfor
IPSec,PPTP,L2TP,andL2F,whichallowaccesstotheUserroles.
Additionally,anaccountmaybeassignedanAdministrationID,allowing
accesstotheCryptoOfficerrole.EachAdministratorIDisassignedrightsto
ManagetheSwitch(eithernone,viewswitch,ormanageswitch)andrightsto
ManageUsers(eithernone,viewusers,ormanageusers).
• DefineRulesandFilters:tocreatepacketFiltersthatareappliedtoUser
datastreamsoneachinterface.EachFilterconsistsofasetofRules,which
defineasetofpacketstopermitordenybasedoncharacteristicssuchas
protocolID,addresses,ports,TCPconnectionestablishment,orpacket
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direction.Theadministratormayuseanyofthepre-definedRulesorcreate
customRulestobeincludedineachFilter.
• StatusFunctions:toviewtheswitchconfiguration,routingtables,active
sessions,useGetstoviewSimpleNetworkManagementProtocol(SNMP)
ManagementInformationBase(MIB)IIstatistics,usagegraphs,health,
temperature,memorystatus,voltage,packetstatistics,andreviewaccounting
logs.
• ManagetheSwitch:tologoffusers,shutdownorresettheswitch,disable
orenableaudiblealarms,manuallybackupswitchconfigurations,restore
switchconfigurations,createarecoverydiskette,etc.
Acompletedescriptionofallthemanagementandconfigurationcapabilitiesofthe
ContivityExtranetswitchcanbefoundintheContivityExtranetSwitchAdministrator’s
Guideandintheonlinehelpfortheswitch.
2.4.2 UserServices
Anadministrator(whohasmanageusersrights)assignseachUseranameandaUser
Group.TheUserGroupdefinesaccesslimitationsandservicesthattheUsermay
exercise,includingaccesshours,calladmissionpriority,forwardingpriority,numberof
simultaneouslogins,maximumpasswordage,minimumpasswordlength,whether
passwordsmaycontainonlyalphabeticcharacters,whetherstaticInternetProtocol(IP)
addressesareassigned,idletimeout,forcedlogofffortimeout,filters,whether
InternetworkPacketExchange(IPX)isallowed.
TheadministratoralsoassignseachUserseparateUserIDsandpasswordsforthe
followingservices:IPSec,PPTP,L2TP,andL2Ftunnels.(AfifthIDandpasswordmay
beassignedforAdministrationoftheswitchasdescribedin2.4.1.)TheUsermaythen
authenticateasnecessarytoinitiatesecuretunnelsusinganyoftheseservices.
• IPSec:RequiresauthenticationthroughUserNameandPassword
(checkedagainstaLightweightDirectoryAccessProtocol(LDAP)
directoryorusingAXENToraSecureIDtoken).Thisauthenticates
theUsertotheswitchandisprotectedusingInternetSecurity
AssociationandKeyManagementProtocol(ISAKMP).TheSwitch
maybeconfiguredtoadditionallyrequireauthenticationthrough
RADIUSwithaGroupNameandPassword.Securityoptionsfor
IPSecincludeusinganEncapsulatedSecurityPayload(ESP)with
Triple-DES,DataEncryptionStandard(DES),or“40-bitDES”,andan
AuthenticationHeader(AH)withMessageAuthenticationCode
SecureHashAlgorithm(HMAC-SHA)orHMAC-MD5.When
operatingthedeviceinaFIPS140-1compliantmanner,onlythe
TripleDESESP,DESESP,andHMAC-SHAAHmaybeenabled.
• PPTP:RequiresauthenticationusingtheMicrosoftChallenge
HandshakeAuthenticationProtocol(MS-CHAP),Challenge
HandshakeAuthenticationProtocol(CHAP),orPassword
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AuthenticationProtocol(PAP).MS-CHAPcanusenoencryption,40-
bitRC4,128-bitRC4encryption.WhenoperatedinaFIPS140-1
compliantmanner,MS-CHAPisnotenabledwithRC4encryption.
• L2TP:RequiresauthenticationusingMS-CHAPCHAP,orPAP.MS-
CHAPcanusenoencryption,40-bitRC4,128-bitRC4encryption.
WhenoperatedinaFIPS140-1compliantmanner,MS-CHAPisnot
enabledwithRC4encryption.
• L2F:RequiresauthenticationusingCHAP,orPAP.
2.5 KeyManagement
Theswitchsecurelyadministersbothcryptographickeysandothercriticalsecurity
parameterssuchasUserpasswords.Ephemeralsessionskeysarecreatedduringthe
negotiationofsecuretunnelsonbehalfofUserswhohavesuccessfullyauthenticated
themselvestotheswitchwiththeiruserIDandpassword.Thesekeysarecreatedfor
protocolslikeMS-CHAPandISAKMP,whichsecurelynegotiatekeyexchangeandthen
allowencryptionservicesforPPTP,L2TP,andIPSec.
Keysaredestroyedwhentheappropriatetunnel,SecurityAssociation(SA),orsessionis
terminatedandareneverarchivedorreleasedfromthedevice.Userpasswordscanbe
destroyedbytheCryptoOfficerorbyUsersoverwritingtheirownpasswords.All
passwordsarestoredintheLDAPdatabaseinanencryptedformat,andneverreleased.
Theyareusedonlyforauthenticationinkeyexchangeprotocols,whichprotectCritical
SecurityParameters(CSPs)accordingtotheirprotocol.(CryptoOfficersshouldbeaware
thatPAPtransmitspasswordinformationintheclearandshouldnotbeenabledbefore
decidinglocalpolicy.SeenotesonPAPintheContivityExtranetSwitchAdministrator’s
Guide.)
• SessionKeys:Theseareephemeralencryptionkeysusedbythemodulefor
encryptingpacketsduringIPSectunneling.Thesekeysarederivedduringthe
setupofthetunnelandusedonlyduringasecuretunnelsession.TheIPSec
tunnelmayuseeither56-bitDESorTDESforencryption.Thesekeysare
createdbysettingoddparityandcheckingforknownweakkeys.Thesession
keysareinternallyderivedfromtheInternetKeyExchange(IKE)/Internet
SecurityAssociationKeyManagementProtocol(ISAKMP-Oakley).These
protocolsarebasedonDiffie-HellmanKeyAgreement.IPSec“Pre-shared
keys”mayoptionallybeusedwithDiffie-Hellmantonegotiateashared
sessionkeyfromtheconcatenatedandSHA-1hashedvalueoftheuserIDand
password.
• DESpasswordkey:Thiskeyisusedtoencryptuserpasswordstobestoredin
themodule’sinternalLDAPdatabase.Thiskeyiscompiledintothemodule’s
codeandcanbezeroizedusingafloppytoerasethefirmware.Thefloppy
diskunitholdsa“format”utility.InordertozeroizetheDESkey(hard-coded
intothemodulefirmware),thecryptoofficermustruntheformatutility
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containedonthefloppydiskviathemodule’smanagementinterface.The
formatutilitythencausesthefirmwareofthemoduletobeerased
• RSAkeys:TheseRSApublic/privatekey-pairsareusedforgeneratingand
verifyingdigitalsignaturesforauthenticationofusersduringIPSectunneling
sessions.Themodule’skeysaregeneratedinternallybythePKCS#1standard
usingapseudo-randomnumbergenerator.Thekeysarestoredinuniquely
nameddirectoriesinPKCS#5andPKCS#8formats,respectively.AllRSA
keyscanbezeroizedbytheadministratorbyenteringcommandstodeleteand
zeroizethekeydirectories.Theprivatekeyisneveroutputfromthemodule
whilethemodule’spublickeyisoutputtoobtainacertificatefromathird
partyCertificateAuthority(CA).
• RSACertificates:Thesepublickeybasedcertificatesareusedtoauthenticate
usersforIPSectunnelsessions.Inaddition,themodulehasitsowncertificate
thatitusestoauthenticatetousers.TheseX.509certificatesareissuedbya
thirdpartyCAandstoredintheinternalLDAP.
2.6 Self-tests
Itisimportanttotestthecryptographiccomponentsofasecuritymoduletoinsureall
componentsarefunctioningcorrectly.TheContivitySwitchincludesanarrayofself-tests
thatarerunduringstartupandperiodicallyduringoperations.Theself-testsrunat
power-upincludeacryptographicknownanswertests(KAT)ontheFIPS-approved
cryptographicalgorithmsimplementedinbothHardwareandSoftware(DES,3DES),on
themessagedigest(SHA-1),andonsignatures(RSAwithSHA-1).Additionalself-tests
performedatstartupincludesoftwareintegritytestsusingaDESMACperFIPS113and
acontinuousrandomnumbergeneratortest.Othertestsarerunperiodicallyor
conditionallysuchasasoftwareloadtestforFIPS-approvedupgradesusingaDESMAC
andthecontinuousrandomnumbergeneratortest.Inaddition,therearechecksumtests
ontheflashmemorythatareupdatedwithflashchanges.
Ifanyoftheseself-testfailtheswitchwilltransitionintoanerrorstate.Withintheerror
state,allsecuredatatransmissionishaltedandtheswitchoutputsstatusinformation
indicatingthefailure.
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3 SecureOperationoftheContivitySwitch
TheContivitySwitchisaversatilemachine;itcanberuninaNormalOperatingModeor
aFIPSOperatingMode(FIPSmode).InFIPSmode,theswitchmeetsalltheLevel2
requirementsforFIPS140-1.ToplacethemoduleinFIPSmode,clickthe“FIPS
Enabled”buttonontheServicesAvailablemanagementscreenandrestartthemodule.A
numberofconfigurationsettingsarerecommendedwhenoperatingtheContivitySwitch
inaFIPS140-1compliantmanner.Otherchangesarerequiredinordertomaintain
compliancewithFIPS140-1requirements.Theseincludethefollowing:
Recommended
• Changethedefaultadministratorpasswordontheswitch.
• Disableallmanagementprotocolsoverprivatenon-tunneledinterfaces
Required
• Selectthe“FIPSEnabled”buttonontheServiceAvailableManagementscreens
andrestartthemodule.
• Applythetamperevidentlabelsasdescribedinsection2.3
• Disablecryptographicservicesthatemploynon-FIPSapprovedalgorithms.
• ForIPSec:WhenoperatingthedeviceinaFIPS140-1compliantmanner,
onlytheTripleDESESP,DESESP,andHMAC-SHAAHmaybe
enabled.MD5isnotanapprovedFIPSalgorithm.
• ForPPTPandL2TP:WhenoperatedinaFIPS140-1compliantmanner,
MS-CHAPandCHAParenotenabledwithRC4encryption.
• ForL2P:CHAPmustbedisabledtooperateinaFIPScompliantmanner.
• TheinternalLDAPdatabasemustbeusedinplaceofanexternalLDAP
server.
• SecureSocketsLayer(SSL)cannotbeusedtoestablishsecureconnections
• ForRoutingInformationProtocol(RIP)–InFIPSmode,MD5mustbe
disabled.
ThereareseveralservicesthatareaffectedbytransitioningthemoduleintoFIPS
compliantmode.WhenthemoduleisrestartedinFIPSmode,severaladministrative
servicesaccessingtheshell,includingthedebuggingscripts,aredisabled.Whenthe
moduleisinFIPSmode,theadministratorisgivenadditionalauthoritytoresetthe
defaultadministrator’spasswordandusername.Theintegratedfirewallprogram,by
Checkpoint,andtherestorecapabilitiesaredisabledduringFIPSmode.TheFTPdemon
isalsoturnedoff,preventinganyoutsideintruderfromFTPingintotheserver.Inorder
totransitionthemodeoutofFIPSmode,theFIPSdisablebutton,ontheServices
Availablemanagementscreen,mustbeclickedandthemodulemustberestarted.
WhentransitioningthemodulefromNon-FIPSmodetoFIPSmode,theCryptoOfficer
shouldensurethatthemoduleisrunningonlytheNortelsupplied,FIPS140-1validated
firmware.Ifthereisaconcernthatthefirmwarehasbeenmodifiedduringoperationin
Non-FIPSmode(Thismightbedonebyanunauthenticatedmaliciousremoteuserwho
16
hasthecapabilitytosubmitshellcommands)thentheCryptoOfficershouldreinstallthe
NortelfirmwarefromatrustedmediasuchastheinstallationCDortheNortelwebsite.
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Nortel 4600 Owner's manual

Nortel
Brand
Nortel
Model
4600
Category
Network switches
Type
Owner's manual
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