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首页 Nagios 3 Enterprise Network Monitoring 2008

Nagios 3 Enterprise Network Monitoring 2008.pdf

Nagios 3 Enterprise Network Mon…

tlatoani
2011-07-05 0人阅读 举报 0 0 暂无简介

简介:本文档为《Nagios 3 Enterprise Network Monitoring 2008pdf》,可适用于IT/计算机领域

wwwsyngresscomVisitusatSyngressiscommittedtopublishinghighqualitybooksforITProfessionalsanddeliveringthosebooksinmediaandformatsthatfitthedemandsofourcustomersWearealsocommittedtoextendingtheutilityofthebookyoupurchaseviaadditionalmaterialsavailablefromourWebsiteSOLUTIONSWEBSITEToregisteryourbook,visitwwwsyngresscomsolutionsOnceregistered,youcanaccessoursolutionssyngresscomWebpagesThereyoumayfindanassortmentofvalueaddedfeaturessuchasfreeebooksrelatedtothetopicofthisbook,URLsofrelatedWebsites,FAQsfromthebook,corrections,andanyupdatesfromtheauthor(s)ULTIMATECDsOurUltimateCDproductlineoffersourreadersbudgetconsciouscompilationsofsomeofourbestsellingbacklisttitlesinAdobePDFformTheseCDsaretheperfectwaytoextendyourreferencelibraryonkeytopicspertainingtoyourareaofexpertise,includingCiscoEngineering,MicrosoftWindowsSystemAdministration,CyberCrimeInvestigation,OpenSourceSecurity,andFirewallConfiguration,tonameafewDOWNLOADABLEEBOOKSForreaderswhocan’twaitforhardcopy,weoffermostofourtitlesindownloadableAdobePDFformTheseebooksareoftenavailableweeksbeforehardcopies,andarepricedaffordablySYNGRESSOUTLETOuroutletstoreatsyngresscomfeaturesoverstocked,outofprint,orslightlyhurtbooksatsignificantsavingsSITELICENSINGSyngresshasawellestablishedprogramforsitelicensingourebooksontoserversincorporations,educationalinstitutions,andlargeorganizationsContactusatsalessyngresscomformoreinformationCUSTOMPUBLISHINGManyorganizationswelcometheabilitytocombinepartsofmultipleSyngressbooks,aswellastheirowncontent,intoasinglevolumefortheirowninternaluseContactusatsalessyngresscomformoreinformationThispageintentionallyleftblankMaxSchubertDerrickBennettJonathanGinesAndrewHayJohnStrandElsevier,Inc,theauthor(s),andanypersonorfirminvolvedinthewriting,editing,orproduction(collectively“Makers”)ofthisbook(“theWork”)donotguaranteeorwarranttheresultstobeobtainedfromtheWorkThereisnoguaranteeofanykind,expressedorimplied,regardingtheWorkoritscontentsTheWorkissoldASISandWITHOUTWARRANTYYoumayhaveotherlegalrights,whichvaryfromstatetostateInnoeventwillMakersbeliabletoyoufordamages,includinganylossofprofits,lostsavings,orotherincidentalorconsequentialdamagesarisingoutfromtheWorkoritscontentsBecausesomestatesdonotallowtheexclusionorlimitationofliabilityforconsequentialorincidentaldamages,theabovelimitationmaynotapplytoyouYoushouldalwaysusereasonablecare,includingbackupandotherappropriateprecautions,whenworkingwithcomputers,networks,data,andfilesSyngressMedia®,Syngress®,“CareerAdvancementThroughSkillEnhancement®,”“AsktheAuthorUPDATE®,”and“HackProofing®,”areregisteredtrademarksofElsevier,Inc“Syngress:TheDefinitionofaSeriousSecurityLibrary™,”“MissionCritical™,”and“TheOnlyWaytoStopaHackeristoThinkLikeOne™”aretrademarksofElsevier,IncBrandsandproductnamesmentionedinthisbookaretrademarksorservicemarksoftheirrespectivecompaniesKEYSERIALNUMBERHJIRTCVPODFGKMNJHBALUCVPLQWQVBPTTHJJJWDEGVTWMKMPSDJTIMWQTTPUBLISHEDBYSyngressPublishing,IncElsevier,IncCorporateDriveBurlington,MANagiosEnterpriseNetworkMonitoringIncludingPlugInsandHardwareDevicesCopyright©byElsevier,IncAllrightsreservedPrintedintheUnitedStatesofAmericaExceptaspermittedundertheCopyrightActof,nopartofthispublicationmaybereproducedordistributedinanyformorbyanymeans,orstoredinadatabaseorretrievalsystem,withoutthepriorwrittenpermissionofthepublisher,withtheexceptionthattheprogramlistingsmaybeentered,stored,andexecutedinacomputersystem,buttheymaynotbereproducedforpublicationPrintedintheUnitedStatesofAmericaISBN:Publisher:AndrewWilliamsCopyEditor:BethRobertsPageLayoutandArt:SPiPublishingServicesForinformationonrights,translations,andbulksales,contactMattPedersen,CommercialSalesDirectorandRights,atSyngressPublishingemailmpedersenelseviercomMaxSchubertisanopensourceadvocate,integrator,developer,andITprofessionalHeenjoyslearningprogramminglanguages,designinganddevelopingsoftware,andworkingonanyprojectthatinvolvesnetworksornetworkingMaxlivesinCharlottesville,VA,withhiswifeandasmallherdofrescuedogsHewouldliketothankhiswife,Marguerite,forherlove,supportandtoleranceofhiswildhoursandhabitsthroughoutthisproject,hisparentsforstressingtheimportanceofeducation,writing,andforinstillingaloveoflearninginhimInaddition,Maxwouldliketoexpresshisgratitudetothefollowingpeoplewhoprovidedhimguidanceandassistanceonhisportionofthisproject:SamWenck,forhishelpincreatingtheearlyoutlineforthesecuritychapterandforhisfriendship,TonVoonandGavinCarrforNagios::PluginandforallowingmetousetheNagios::Plugin::SNMPnamespaceformyownPerlextensiontoNagios::Plugin,JoergLingeandHendrikBäckerfortheNagiosPNPperfdataRRDgraphingplugin,whichIusedextensivelyinthisbook,myfriendsLukeNabaviandMartyKieferfortheirextensiveencouragementduringthewritingofthebook,manyotherfriendswhoencouragedmewhenIwasfeelingoverwhelmed,andabigthankyoutoalloftheNagioscoredevelopers,pluginauthors,andenhancementcontributorswho’sworkswehavediscussedinthispublicationitisyouwhomakeNagiosthewonderfulframeworkitistodayIwouldliketoalsopersonallythankAndrewWilliams,ourfearlessPublisher,forhisencouragement,humor,andabilitytomakesolidandrationaldecisionstokeepusallontrackFinally,myheartfeltthankstoeveryoneonthiswritingteamwehaveproducedwhatIfeelisaverysolidbookinaveryshortperiodoftimeThankyouallformakingthisanexcitingandsatisfyingexperienceDerrickBennetthasbeenworkingprofessionallyintheITFieldforoveryearsinafullspectrumofNetworkandSoftwareenvironmentsBeingbornabittoolateandmissingtheAssemblybandwagonIstartedwithcomputersandprogrammingwiththeCommodoreVicandBasiclanguageprogramsFromtheremytimehasbeenspentbetweenboththesoftwareandhardwareInthe’sasBBSSysop,tothemid’sasanMCSEsupportingalargeWindowsnetworkforamajorcorporation,totodayworkingwithcustomersofalltypestodeliverrealworldAuthors�solutionsfortheirenvironmentsDuringthatworkIwasfirstexposedtoNetworkmonitoringonaglobalscale,andthepitfallsoftryingtomonitorenterprisenetworksoverframerelayanddialuplinksWhileworkinginthecorporateworldandsupportinglargescaleenvironmentsIalsoworkedwithsmallerstartupsandnewcompaniesThiswasduringtheinitialyearsofthecommercializationoftheInternetandmanysmallcompanieswereworkinghardtoprovidecommercialclassserviceonlowendbudgetsItwasthroughthisworkonbothenterprisenetworksandsmallserversshopsthatthetrueadvantageofopensourceprojectsfoundtheirhomeformeSincethenIhavecontinuedworkingforvariouslargenetworkswheremonitoringhasalwaysbeenkeyItwasthroughthisworkthatIcontributedsourcecodechangestotheNRPEprojectforNagiosaddinginSSLencryptionalongwithotherupdatesfortheNagiosCoreIhavedeployedNagiosinoveruniqueenvironmentsfromserverstoacompleteNOCcoveringhundredsofsystemsspreadacrosseverycountryAmajorityofmyworkhasbeeninintegratingNagiosandothertoolsintoexistingapplications,environments,andprocessesandmakingthejobofrunningasystemeasierforthosethatmaintainitEventodayIfindmyattractiontothesystemsandtheirsoftwaretobethesameaswhenIprogrammedmyfirstbasicgotototodaywhenIinstallanewserveranditsapplicationsInaneverendingdesiretoreducerepetitivemaintenanceandtoreducedowntimeIhopethateveryonereadingthiswillfindsomethingthathelpsmaketheirsystemsrunevenbetterthanbeforeLikemostthecoauthorsonthisprojectIcanbefoundontheNagiosDevmailinglistnagiosdevellistssourceforgenetoratdbennettaneicomIamthankfultothosewhohavedoneallthegreatprogrammingbeforemeandtomyparentsPatandFredwhonotonlyinspiredmyinvolvementwithcomputersbutsupportedmyobsessiveloveforthemonceIpluggedthefirstoneinIalsowanttothankCharlesandalltheotherpeopleouttherewillingtofinanciallysupportpeople,employees,orfamily,whoareworkingonopensourceprojectsandsupportingthefutureofgreatapplicationsLastIwanttosaythankyoutoEthan,hehasbeentrulydevotedtotheNagiosprojectandhascontributedmorethananyoneelseevercouldHistruesupportofNagiosandthecommunityiswhatmakesalloftheseNagiosrelatedresourcessoworthwhileandhasmadeagoodideaintoagreatapplicationJonathanGinesisasystemsintegrator,softwareengineer,andhasworkedformajorcorporationsprovidingtelecommunicationsandInternetservices,healthcaremanagement,accountingsoftwaredevelopment,andofcourse,federalgovernment�icontractingHisexperienceincludesservingasanadjunctprofessorforVirginiaTech,teachingdatabasedesignanddevelopment(yes,includingrelationalalgebra,relationalcalculus,andtheeverdreadfulnormalizationforms),developingmodelingandsimulationmodelsinC,andgoodol’softwaredevelopmentusingopensourceprogrammingtechnologiessuchasPerl,JavaJEE,andsomefrustratingtrialanderrorwithRubyJonathanhasagraduatedegreefromVirginiaTech,andholdsseveralcertificationsincludingtheCISSPandtheITILFoundationcredentialWhilenotperformingUNIXsystemsadministrationortroubleshootingenterprisesoftwareapplications,JonathanhasjustcompletedhisdoctoratecourseworkinBiodefenseatGeorgeMasonUniversity,andstaysbusypreparingforthePhDcandidacyexamJonathanwouldliketothankhisfriendsandimmediatefamilyfortheirlovingsupport,butoffersspecialacknowledgmenttohisbrother,AnthonySGinesAnthony,thanksforalwayswillingtolendahelpinghand,andservingasaninspirationtotryyourbestAndrewHayisasecurityexpert,trainer,andauthorofTheOSSECHostBasedIntrusionDetectionGuideAstheIntegrationServicesProgramManageratQLabsInchisprimaryresponsibilityinvolvestheresearchandintegrationoflogandvulnerabilitytechnologiesintoQRadar,theirflagshipnetworksecuritymanagementsolutionPriortojoiningQLabs,AndrewwasCEOandcofounderofKoteasCorporation,aleadingproviderofendtoendsecurityandprivacysolutionsforgovernmentandenterpriseHisresumealsoincludesvariousrolesandresponsibilitiesatNokiaEnterpriseSolutions,NortelNetworks,andMagmaCommunications,adivisionofPrimusAndrewisastrongadvocateofsecuritytraining,certificationprograms,andpublicawarenessinitiativesHealsoholdsseveralindustrycertificationsincludingtheCCNA,CCSA,CCSE,CCSENGX,CCSEPlus,Security,GSEC,GCIA,GCIH,SSPMPA,SSPCNSA,NSA,RHCT,andRHCEAndrewwouldfirstliketothankhiswifeKeliforhersupport,guidance,andunlimitedunderstandingwhenitcomestohisinterestsHewouldalsoliketothankChrisFanjoy,DaniellaDegrace,ShawnMcPartlin,theTrustedCatalystCommunity,andofcoursehisparents,MichelandEllenHay,andinlawsRickandMarilynLitlefortheircontinuedsupportJohnStrandcurrentlyteachestheSANSGCIHandCISSPclassesHeiscurrentlycertifiedGIACGoldintheGCIHandGCFWandisaCertifiedSANSInstructorHeisalsoaholderoftheCISSPcertificationHestartedworkingcomputersecurity�iiwithAccentureConsultingintheareasofintrusiondetection,incidentresponse,andvulnerabilityassessmentpenetrationtestingHethenmovedontoNorthropGrummanspecializinginDCIDPLPL(multilevelsecuritysolutions),securityarchitectures,andprogramcertificationandaccreditationHecurrentlydoesconsultingwithhiscompanyBlackHillsInformationSecurityHehasaMastersdegreefromDenverUniversity,andiscurrentlyalsoaprofessoratDenverUniversityInhissparetimehewritesloudrockmusicandmakesvariousfutileattemptsatflyfishing�iiiForewordxixIntroductionxxiChapterNagiosWhat’sNewinNagiosStorageofDataScheduledDowntimeCommentsStateRetentionStatusDataChecksServiceChecksHostChecksFreshnessChecksObjectsObjectDefinitionsObjectInheritanceOperationPerformanceImprovementsInterProcessCommunication(IPC)TimePeriodsNagiosEventBrokerDebuggingInformationFlapDetectionNotificationsUsabilityWebInterfaceExternalCommandsEmbeddedPerlAdaptiveMonitoringPluginOutputCustomVariablesMacrosBackingupYourNagiosFilesMigratingfromNagiostoContentsixxContentsUpgradingUsingNagiosSourceCodeUpgradingfromanRPMInstallationConvertingNagiosLegacyPerlPluginsChapterDesigningConfigurationsforLargeOrganizationsIntroductionFaultManagementConfigurationBestPracticesSolicitInputfromYourUsersFirstUsea“LessIsMore”ApproachTakeanIterativeApproachtoGrowingYourConfigurationOnlyAlertontheMostImportantProblemsLetYourCustomersandUsersTellYouWhatIsImportantPlanningYourConfigurationSolicitingRequirementsfromYourCustomersandUsersStartHighL

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