SonicWallSMAConnectTunnel12.0DeploymentPlanningGuide
PlanningYourVPN
22
DesignGuidelinesforAccessRules
Becausetheappliance processesyouraccesscontrolrulessequentially,theorderinwhichyouorganizethemis
significantintermsofwhetheraccessispermittedordenied.Carefullyreviewyoursecuritypolicysettingsto
avoidinadvertentlyplacingrulesinthewrongorder.
•Putyourmostspecificrulesatthetopof
thelist.Asageneralrule,itisbesttoputyourmostspecific
rulesatthetopofthelist.Puttingbroaderrulesthatgrantmorepermissionsatthetopofthelistmay
causetheappliancetofindamatchbeforeithasachancetoprocessyourmore
restrictiverules.
•BecarefulwithAnyrules.Ifyoucreatearulethatdoesnotrestrictaccesstoaparticularuseror
destinationresource,carefullyconsideritsimpactonpolicyrules.
• Optimizingperformance.Becausetheapplianceevaluatesrulesinsequentialorder,youcanoptimize
performancebyplacingthenetworkresources
thatareaccessedmostfrequentlyatthetopofthelist.
•Avoidresourceandaccessmethodincompatibilities.Insomeveryspecificcases,certaincombinations
ofresourcetypesandaccessmethodscancreateproblemswithyouraccesspolicy.AMCvalidatesyour
ruleandnotifiesyouofpotentialproblemswhenyousaveit.
Referto“SecurityAdministration”inthe
InstallationandAdministrationGuidefordetailsonresolvingincompatibilityissues.
EndPointControl
YoucanuseEndPointControltoclassify devicesastheyattempttoconnecttotheappliance.Whenadevice
matchesaprofilethatyouhavecreated,itisassignedtoanEPCzoneoftrust,wherethedeviceisgranteda
certainamountofaccess,quarantined,ordeniedaccessaltogether.
Inaddition,onceadeviceisclassifiedintoa
givenzone,youcankeepcheckingitatasetintervaltoseeifitmeetsyourEPCrequirements.
AnEPCzonecanreferenceoneormoredeviceprofiles.Multipledeviceprofilesareusefulifuserswithsimilar
VPNaccessneeds
usedifferentcomputerplatforms.Forexample,youcouldconfigureanEPCzonethat
referencesadeviceprofileforWindowscomputers,andanotherzoneforMacintoshcomputers.
Zonesareinturnreferencedinacommunity,whichdetermineswhatdataprotectionagentsaredeployed.
Optionally,youcanreferenceazoneinanaccess
controlruletodeterminewhichresourcesareavailableto
usersinthatzone.
EPCevaluationprocessillustratestheEPCevaluationprocessperformedbytheSMAappliancewhenauser
connectstoit.
EPCevaluationprocess