电脑使用常识，禁用高危端口

　　PortDetails：1TCPPortServiceMultiplexer2ManagementUtility3CompressionProcess5RemoteJobEntry7Echo9Discard11ActiveUsers13Daytime17QuoteoftheDay18MessageSendProtocol19CharacterGenerator20FileTransfer〔DefaultData〕21FileTransferProtocol〔Control〕22SSHRemoteLoginProtocol23Telnettelnet。exe24anyprivatemailsystem25SimpleMailTransfer27NSWUserSystemFE29MSGICP31MSGAuthentication33DisplaySupportProtocol35anyprivateprinterserver37Time38RouteAccessProtocol39ResourceLocationProtocol41Graphics42WINSHostNameServer43WhoIs44MPMFLAGSProtocol45MessageProcessingModule〔recv〕46MPM〔defaultsend〕47NIFTP48DigitalAuditDaemon49LoginHostProtocol（TACACS）50RemoteMailCheckingProtocol51IMPLogicalAddressMaintenance52XNSTimeProtocol53DomainNameServer54XNSClearinghouse55ISIGraphicsLanguage56XNSAuthentication57anyprivateterminalaccess58XNSMail59anyprivatefileservice60Unassigned61NIMAIL62ACAServices63whois64CommunicationsIntegrator（CI）65TACACSDatabaseService66OracleSQLNET67BootstrapProtocolServer68BootstrapProtocolClient69TrivialFileTransfer70Gopher71RemoteJobService72RemoteJobService73RemoteJobService74RemoteJobService75anyprivatedialoutservice76DistributedExternalObjectStore77anyprivateRJEservice78vettcp79Finger80WorldWideWeb81HOSTS2NameServer82XFERUtility83MITMLDevice84CommonTraceFacility85MITMLDevice86MicroFocusCobol87anyprivateterminallink88Kerberos89SUMITTelnetGateway90DNSIXSecuritAttributeTokenMap91MITDoverSpooler92NetworkPrintingProtocol93DeviceControlProtocol94TivoliObjectDispatcher95SUPDUP96DIXIEProtocolSpecification97SwiftRemoteVirturalFileProtocol98TACNews99MetagramRelaysrv。exe100〔unauthorizeduse〕101NICHostNameServer102ISOTSAPClass0103GenesisPointtoPointTransNet104ACRNEMADigitalImag。Comm。300105CCSOnameserverprotocol1063COMTSMUX107RemoteTelnetService108SNAGatewayAccessServer109PostOfficeProtocolVersion2110PostOfficeProtocolVersion3111SUNRemoteProcedureCall112McIDASDataTransmissionProtocol113AuthenticationService114AudioNewsMulticast115SimpleFileTransferProtocol116ANSAREXNotify117UUCPPathService118SQLServices119NetworkNewsTransferProtocol120CFDPTKT121EncoreExpeditedRemotePro。Call122SMAKYNET123NetworkTimeProtocol124ANSAREXTrader125LocusPCInterfaceNetMapSer126UnisysUnitaryLogin127LocusPCInterfaceConnServer128GSSXLicenseVerification129PasswordGeneratorProtocol130ciscoFNATIVE131ciscoTNATIVE132ciscoSYSMAINT133StatisticsService134INGRESNETService135DCEendpointresolution136PROFILENamingSystem137NETBIOSNameService138NETBIOSDatagramService139NETBIOSSessionService140EMFISDataService141EMFISControlService142BrittonLeeIDM143InternetMessageAccessProtocol144NewS145UAACProtocol146ISOIP0147ISOIP148Jargon149AED512EmulationService150SQLNET151HEMS152BackgroundFileTransferProgram153SGMP154NETSC155NETSC156SQLService157KNETVMCommandMessageProtocol158PCMailServer159NSSRouting160SGMPTRAPS161SNMP162SNMPTRAP163CMIPManager164CMIPAgent165Xerox166SiriusSystems167NAMP168RSVD169SEND170NetworkPostScript171NetworkInnovationsMultiplex172NetworkInnovationsCL1173Xyplex174MAILQ175VMNET176GENRADMUX177XDisplayManagerControlProtocol178NextStepWindowServer179BorderGatewayProtocol180Intergraph181Unify182UnisysAuditSITP183OCBinder184OCServer185RemoteKIS186KISProtocol187ApplicationCommunicationInterface188PlusFivesMUMPS189QueuedFileTransport190GatewayAccessControlProtocol191ProsperoDirectoryService192OSUNetworkMonitoringSystem193SpiderRemoteMonitoringProtocol194InternetRelayChatProtocol195DNSIXNetworkLevelModuleAudit196DNSIXSessionMgtModuleAuditRedir197DirectoryLocationService198DirectoryLocationServiceMonitor199SMUX200IBMSystemResourceController201AppleTalkRoutingMaintenance202AppleTalkNameBinding203AppleTalkUnused204AppleTalkEcho205AppleTalkUnused206AppleTalkZoneInformation207AppleTalkUnused208AppleTalkUnused209TheQuickMailTransferProtocol210ANSIZ39。50211TexasInstruments914CGTerminal212ATEXSSTR213IPX214VMPWSCS215InsigniaSolutions216ComputerAssociatesIntlLicenseServer217dBASEUnix218NetixMessagePostingProtocol219UnisysARPs220InteractiveMailAccessProtocolv3221BerkeleyrlogindwithSPXauth222BerkeleyrshdwithSPXauth223CertificateDistributionCenter242Direct243SurveyMeasurement244Dayna245LINK246DisplaySystemsProtocol256RAP257SecureElectronicTransaction258YakWinsockPersonalChat259EfficientShortRemoteOperations260Openport261IIOPNamingService（SSL）262Arcisdms263HDAP280httpmgmt281PersonalLink282CablePortAX309EntrustTime344ProsperoDataAccessProtocol345PerfAnalysisWorkbench346Zebraserver347FatmenServer348CabletronManagementProtocol349mftp350MATIPTypeA351MATIPTypeB371Clearcase372ListProcessor373LegentCorporation374LegentCorporation375Hassle376AmigaEnvoyNetworkInquiryProto377NECCorporation378NECCorporation379TIAEIAIS99modemclient380TIAEIAIS99modemserver381hpperformancedatacollector382hpperformancedatamanagednode383hpperformancedataalarmmanager384ARemoteNetworkServerSystem385IBMApplication386ASAMessageRouterObjectDef。387AppletalkUpdateBasedRoutingPro。388UnidataLDMVersion4389LightweightDirectoryAccessProtocol390UIS391SynOpticsSNMPRelayPort392SynOpticsPortBrokerPort393DataInterpretationSystem394EMBLNucleicDataTransfer395NETscoutControlProtocol396NovellNetwareoverIP397MultiProtocolTrans。Net。398Kryptolan399ISOTransportClass2NonControloverTCP400WorkstationSolutions401UninterruptiblePowerSupply402GenieProtocol403decap404nced405ncld406InteractiveMailSupportProtocol407Timbuktu408ProsperoResourceManagerSys。Man。409ProsperoResourceManagerNodeMan。410DECLadebugRemoteDebugProtocol411RemoteMTProtocol412TrapConventionPort413SMSP414InfoSeek415BNet416Silverplatter417Onmux418HyperG419Ariel420SMPTE421Ariel422Ariel423IBMOperationsPlanningandControlStart424IBMOperationsPlanningandControlTrack425ICAD426smartsdp427ServerLocation428OCSCMU429OCSAMU430UTMPSD431UTMPCD432IASD433NNSP434MobileIPAgent435MobilIPMN436DNACML437comscm438dsfgw439daspThomasObermair440sgcp441decvmssysmgt442cvchostd443httpsMCom444SimpleNetworkPagingProtocol445MicrosoftDS446DDMRDB447DDMRFM448DDMBYTE449ASServerMapper450TServer451CrayNetworkSemaphoreserver452CraySFSconfigserver453CreativeServer454ContentServer455CreativePartnr456macontcp457scohelp458applequicktime459amprrcmd460skronk461DataRampSrv462DataRampSrvSec463alpes464kpasswd465ssmtp466digitalvrc467mylexmapd468proturis469RadioControlProtocol470scxproxy471Mondex472ljklogin473hybridpop474tntlw1475tcpnethaspsrv476tntlfd1477ss7ns478spsc479iafserver480iafdbase481Phservice482bgsnsi483ulpnet484IntegraSoftwareManagementEnvironment485AirSoftPowerBurst486avian487saft488gsshttp489nestprotocol490micompfs491gologin492TransportIndependentConvergenceforFNA493TransportIndependentConvergenceforFNA494POVRay495intecourier496PIMRPDISC497dantz498siam499ISOILLProtocol500isakmp501STMF502asaapplproto503Intrinsa504citadel505mailboxlm506ohimsrv507crs508xvttp509snare510FirstClassProtocol511mynetas512remoteprocessexecution；513remoteloginalatelnet；514cmd515spooler516videotex517liketenexlink519unixtime520extendedfilenameserver521ripng522ULP523IBMDB2524NCP525timeserver526newdate527StockIXChange528CustomerIXChange529IRCSERV530rpc531chat532readnews533foremergencybroadcasts534MegaMediaAdmin535iiop536opalisrdv537NetworkedMediaStreamingProtocol538gdomap539ApertusTechnologiesLoadDetermination540uucpd541uucprlogin542commerce544krcmd545appleqtcsrvr546DHCPv6Client547DHCPv6Server548AFPoverTCP549IDFP550newwho551cybercash552deviceshare553pirp554RealTimeStreamControlProtocol556rfsserver557openvmssysipc558SDNSKMP559TEEDTAP560rmonitord562chcmd563snews564plan9fileservice565whoami566streettalk567banyanrpc568microsoftshuttle569microsoftrome570demon571udemon572sonar573banyanvip574FTPSoftwareAgentSystem575VEMMI576ipcd577vnas578ipdd579decbsrv580SNTPHEARTBEAT581BundleDiscoveryProtocol600SunIPCserver606CrayUnifiedResourceManager607nqs608SenderInitiatedUnsolicitedFileTransfer609npmptrap610npmplocal611npmpgui612HMMPIndication613HMMPOperation614SSLshell615InternetConfigurationManager616SCOSystemAdministrationServer617SCODesktopAdministrationServer618DEIICDA619DigitalEVM620SCOWebServerManager633ServiceStatusupdate（SterlingSoftware）634ginad635RLZDBase636sslldap637lanserver667campaigncontributiondisclosuresSDRTechnologies668MeComm669MeRegister670VACDSMSWS671VACDSMAPP672VPPSQUA673CIMPLEX674ACAP704errlogcopyserverdaemon705AgentX709EntrustKeyManagementServiceHandler710EntrustAdministrationServiceHandler729IBMNetViewDM6000ServerClient730IBMNetViewDM6000send731IBMNetViewDM6000receive741netGW742NetworkbasedRev。Cont。Sys。744FlexibleLicenseManager747FujitsuDeviceControl748RussellInfoSciCalendarManager749kerberosadministration754send767phone786Concert799RemotelyPossible886ICLcoNETionlocateserver887ICLcoNETionserverinfo888AccessBuilder911xactbackup991NetnewsAdministrationSystem995SSLbasedPOP3996vsinet1001WEBextrojan1010DolyTrojan1。30（Subm。Cronco）1011DolyTrojan1。11。21015DolyTrojan1。5（Subm。Cronco）1023Reserved1024Reserved1025networkblackjack1027ICQ1030BBNIAD1031BBNIAD1032BBNIAD1033Netspy1042Bla1。11047SunsNEOObjectRequestBroker1048SunsNEOObjectRequestBroker1058nim1059nimreg1067InstallationBootstrapProto。Serv。1068InstallationBootstrapProto。Cli。1080Socks1083AnasoftLicenseManager1084AnasoftLicenseManager1089SocksServertrojan1110Clusterstatusinfo1123Murray1155NetworkFileAccess1170StreamingAudioTrojan1207SoftWar1212lupa1222SNIRDnetwork1243SubSeven1245Vodoo1269MavericksMatrix1313BMCPATROLDB1314PhotoscriptDistributedPrintingSystem1345VPJP1346AltaAnalyticsLicenseManager1347multimediaconferencing1348multimediaconferencing1349RegistrationNetworkProtocol1350RegistrationNetworkProtocol1351DigitalToolWorks（MIT）1352LotusNote1353ReliefConsulting1354RightBrainSoftware1355IntuitiveEdge1356CuillaMartinCompany1357ElectronicPegBoard1358CONNLCLI1359FTSRV1360MIMER1361LinX1362TimeFlies1363NetworkDataMoverRequester1364NetworkDataMoverServer1365NetworkSoftwareAssociates1366NovellNetWareCommServicePlatform1367DCS1368ScreenCast1369GlobalViewtoUnixShell1370UnixShelltoGlobalView1371FujitsuConfigProtocol1372FujitsuConfigProtocol1373Chromagrafx1374EPISoftwareSystems1375Bytex1376IBMPersontoPersonSoftware1377CichlidLicenseManager1378ElanLicenseManager1379IntegritySolutions1380TelesisNetworkLicenseManager1381AppleNetworkLicenseManager1383GWHannawayNetworkLicenseManager1384ObjectiveSolutionsLicenseManager1385AtexPublishingLicenseManager1386CheckSumLicenseManager1387ComputerAidedDesignSoftwareIncLM1388ObjectiveSolutionsDataBaseCache1389DocumentManager1390StorageController1391StorageAccessServer1392PrintManager1393NetworkLogServer1394NetworkLogClient1395PCWorkstationManagersoftware1396DVLActiveMail1397AudioActiveMail1398VideoActiveMail1399CadkeyLicenseManager1400CadkeyTabletDaemon1401GoldleafLicenseManager1402ProsperoResourceManager1403ProsperoResourceManager1404InfiniteGraphicsLicenseManager1405IBMRemoteExecutionStarter1406NetLabsLicenseManager1407DBSALicenseManager1408SophiaLicenseManager1409HereLicenseManager1410HiQLicenseManager1411AudioFile1412InnoSys1413InnosysACL1414IBMMQSeries1415DBStar1416NovellLU6。21417TimbuktuService1Port1418TimbuktuService2Port1419TimbuktuService3Port1420TimbuktuService4Port1421GandalfLicenseManager1422AutodeskLicenseManager1423EssbaseArborSoftware1424HybridEncryptionProtocol1425ZionSoftwareLicenseManager1426SatellitedataAcquisitionSystem11427mloaddmonitoringtool1428InformatikLicenseManager1429HypercomNMS1430HypercomTPDU1431ReverseGossipTransport1432BlueberrySoftwareLicenseManager1433MicrosoftSQLServer1434MicrosoftSQLMonitor1435IBMCICS1436SatellitedataAcquisitionSystem21437Tabula1438EiconSecurityAgentServer1439EiconX25SNAGateway1440EiconServiceLocationProtocol1441CadisLicenseManagement1442CadisLicenseManagement1443IntegratedEngineeringSoftware1444MarcamLicenseManagement1445ProximaLicenseManager1446OpticalResearchAssociatesLicenseManager1447AppliedParallelResearchLM1448OpenConnectLicenseManager1449PEport1450TandemDistributedWorkbenchFacility1451IBMInformationManagement1452GTEGovernmentSystemsLicenseMan1453GenieLicenseManager1454interHDLLicenseManager1455ESLLicenseManager1456DCA1457ValisysLicenseManager1458NicholsResearchCorp。1459ProshareNotebookApplication1460ProshareNotebookApplication1461IBMWirelessLAN1462WorldLicenseManager1463Nucleus1464MSLLicenseManager1465PipesPlatform1466OceanSoftwareLicenseManager1467CSDMBASE1468CSDM1469ActiveAnalysisLimitedLicenseManager1470UniversalAnalytics1471csdmbase1472csdm1473OpenMath1474Telefinder1475TaligentLicenseManager1476clvmcfg1477mssnaserver1478mssnabase1479dberegister1480PacerForum1481AIRS1482MiteksysLicenseManager1483AFSLicenseManager1484ConfluentLicenseManager1485LANSource1486nmstoposerv1487LocalInfoSrvr1488DocStor1489dmdocbroker1490insituconf1491anynetgateway1492stonedesign11493netmaplm1494ica1495cvc1496libertylm1497rfxlm1498WatcomSQL1499FedericoHeinzConsultora1500VLSILicenseManager1501SatellitedataAcquisitionSystem31502Shiva1503Databeam1504EVBSoftwareEngineeringLicenseManager1505FunkSoftware1506UniversalTimedaemon（utcd）1507symplex1508diagmond1509Robcad1510MidlandValleyExplorationLtd。Lic。Man。15113ll11512MicrosoftsWindowsInternetNameService1513FujitsuSystemsBusinessofAmerica1514FujitsuSystemsBusinessofAmerica1515iforprotocol1516VirtualPlacesAudiodata1517VirtualPlacesAudiocontrol1518VirtualPlacesVideodata1519VirtualPlacesVideocontrol1520atmzipoffice1521nCubeLicenseManager1522RicardoNorthAmericaLicenseManager1523cichild1524ingres1525oracle1526ProsperoDataAccessProtnonpriv1527oracle1528micautoreg1529oracle1530rapservice1531raplisten1532miroconnect1533VirtualPlacesSoftware1534micromuselm1535amprinfo1536amprinter1537isilm15383dslm1539IntellistorLicenseManager1540rds1541rds21542gridgenelmd1543simbacs1544aspeclmd1545vistiumshare1546abbaccuray1547laplink1548AxonLicenseManager1549ShivaHose1550ImageStoragelicensemanager3MCompany1551HECMTLDB1552pciarray1553snacs1554CACIProductsCompanyLicenseManager1555livelan1556AshWinCITecnologies1557ArborTextLicenseManager1558xingmpeg1559web2host1560ascival1561facilityview1562pconnectmgr1563CadabraLicenseManager1564PayPerView1565WinDD1566CORELVIDEO1567jlicelmd1568tsspmap1569ets1570orbixd1571OracleRemoteDataBase1572ChipcomLicenseManager1573itscommns1574mvellm1575oraclenames1576moldflowlm1577hypercubelm1578JacobusLicenseManager1579iocsealm1580tntlr11581vmfmsgport1582MSIMS1583simbaexpress1584tntlfd21585intv1586ibmabtact1587praelmd1588triquestlm1589VQP1590geminilm1591ncpmpm1592commonspace1593mainsoftlm1594sixtrak1595radio1596radiosm1597orbplusiiop1598picknfs1599simbaservices1601aas1602inspect1603pickodbc1604icabrowser1605SalutationManager（SalutationProtocol）1606SalutationManager（SLMAPI）1607stt1608SmartCorp。LicenseManager1609isysglm1610tauruswh1611InterLibraryLoan1612NetBillTransactionServer1613NetBillKeyRepository1614NetBillCredentialServer1615NetBillAuthorizationServer1616NetBillProductServer1617NimrodInterAgentCommunication1618skytelnet1619xsopenstorage1620faxportwinport1621softdataphone1622ontime1623jaleosnd1624udpsrport1625svsomagent1636CableNetControlProtocol1637CableNetAdminProtocol1638CableNetInfoProtocol1639certinitiator1640certresponder1641InVision1642isisam1643isisambc1644SatellitedataAcquisitionSystem41645datametrics1646samsgport1647rsap1648concurrentlm1649inspect1651shivaconfsrvr1652xnmp1653alphatechlm1654stargat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Eclypse（FTP）3883DeepThroat2trojan3900UnidataUDTOS3984MAPPERnetworknodemanager3985MAPPERTCPIPserver3986MAPPERworkstationserver4000TencentOICQ4001Cisciroutermanagement4008NetChequeaccounting4009ChimeraHWM4045NFSlock4132NUTSDaemon4133NUTSBootpServer4134NIFTYServeHMIprotocol4321RemoteWhoIs4343UNICALL4444KRB5244445UPNOTIFYP4446N1FWP4447N1RMGMT4448ASCLicenceManager4449ARCryptoIP4450Camp4451CTISystemMsg4452CTIProgramLoad4453NSSAlertManager4454NSSAgentManager4500saeurn4501urnxcdchoice4567FileNailDanny4672remotefileaccessserver4950IcqTrojan5002radiofreeethernet5003ClarisFileMakerPro5004avtprofile15005avtprofile25010TelepathStart5011TelepathAttack5020zenginkyo15021zenginkyo25031NetMetro1。05050multimediaconferencecontroltool5150AscendTunnelManagementProtocol5190AmericaOnline5191AmericaOnline15192AmericaOnline25193AmericaOnline35300HAclusterheartbeat5301HAclustergeneralservices5302HAclusterconfiguration5303HAclusterprobing5304HAClusterCommands5305HAClusterTest5400ExcerptSearch5401ExcerptSearchSecure5521IllusionMailer5550XTCP2。02。015555PersonalAgent5569RoboHack5631pcANYWHEREdata5632pcANYWHEREstat5678RemoteReplicationAgentConnection5679DirectCableConnectManager5713proshareconfaudio5714proshareconfvideo5715proshareconfdata5716proshareconfrequest5717proshareconfnotify5729OpenmailUserAgentLayer5742WincrashV1。035745fcopyserver5755OpenMailDeskGatewayserver5757OpenMailX。500DirectoryServer5766OpenMailNewMailServer5767OpenMailSuerAgentLayer（Secure）5800VirtualNetworkComputingserver5900VirtualNetworkComputingserver600060006063XWindowSystem6001Cisciroutermanagement6110HPSoftBenchCM6111HPSoftBenchSubProcessControl6112dtspcd6123BackupExpress6141MetaCorporationLicenseManager6142AspenTechnologyLicenseManager6143WatershedLicenseManager6144StatSciLicenseManager16145StatSciLicenseManager26146LoneWolfSystemsLicenseManager6147MontageLicenseManager6148RicardoNorthAmericaLicenseManager6149talpod6253CRIP6389clariionevr016400ThetHing6455SKIPCertificateReceive6456SKIPCertificateSend6588AnalogXWebProxy6667InternetRelayChatserver6669Vampire1。06670VocaltecGlobalOnlineDirectory6672visionserver6673visionelmd6831ambitlm6883DeltaSource（DarkStar）6912Shitheep6939Indoctrination6969acmsoda7000fileserveritself7001callbackstocachemanagers7002usersgroupsdatabase7003volumelocationdatabase7004AFSKerberosauthenticationservice7005volumemanagmentserver7006errorinterpretationservice7007basicoverseerprocess7008servertoserverupdater7009remotecachemanagerservice7010onlinetuninterruptablepowersupplies7099lazyptop7100XFontService7121VirtualPrototypesLicenseManager7174Clutild7200FODMSFLIP7201DLIP7306NetMonitor7395winqedit7491telopslmd7511pafeclm7777cbt7781acculmgr7789iCkiller7999iRDMI28000iRDMIShoutcastServer8001Web8002Web8010Wingateweblogfile8032ProEd8080StandardHTTPProxy8450npmp8888NewsEDGEserverTCP（TCP1）8889DesktopDataTCP18890DesktopDataTCP28891DesktopDataTCP3：NESSapplication8892DesktopDataTCP4：FARMproduct8893DesktopDataTCP5：NewsEDGEWebapplication8894DesktopDataTCP6：COALapplication9000CSlistener9001Ciscoxremote9100HPJetDirectPrinterServer9872PortalOfDoom9875PortalofDoom9876SessionDirector9989iNiKiller9992Palace9993Palace9994Palace9995Palace9996Palace9997Palace9998Distinct329999distinct10000NetworkDataManagementProtocol10607ComaDanny11000SSTROJGtrojan11223ProgenicTrojan12076Gjamer12345Win95NTNetbusbackdoor12346NetBus1。x（avoidingNetbuster）12701Eclipse200012753tsafport13223PowWowchatprogram16969Priotrity18000BeckmanInstruments20000Millenium20001Milleniumtrojan20024Netbus2。0Pro20034NetBusPro20203Logged！20331Bla21544GirlFriend21554GirlFriendtrojan21845webphone21846NetSpeakCorp。DirectoryServices21847NetSpeakCorp。ConnectionServices21848NetSpeakCorp。AutomaticCallDistribution21849NetSpeakCorp。CreditProcessingSystem22222Prosiak0。4722273wnn622347WIBUdongleserver22555VocaltecWebConference22800TelerateInformationPlatformLAN22951TelerateInformationPlatformWAN23456EvilFTPtrojan25000icltwobase125001icltwobase225002icltwobase325003icltwobase425004icltwobase525005icltwobase625006icltwobase725007icltwobase825008icltwobase925009icltwobase1025793VocaltecAddressServer25867WebCam32Admin26000quake26208wnn6ds27374Sub72。129891TheUnexplained30029AOLTrojan1。130100NetSphere30303SocketsDeTroietrojan30999Kuang31787Hackatack32771SolarisRPC33911TrojanSpirit2001a34324TinyTelnetServer40412TheSpy40423MasterParadise43188Reachout47557DatabeamCorporation47806ALCProtocol47808BuildingAutomationandControlNetworks50766Fore53001RemoteWindowsShutdown54320BackOrifice200054321Schoolbus1。62。061466Telecommando65000Deviltrojan65301pcAnywhere
　　电脑上有很多端口，有些是常用的，有些是不常用的，有些是高危的。高危端口指的是那些容易被黑客利用的端口，比如135、137、138、139和445等。如果你不需要使用这些端口，你可以通过以下方法关闭它们：使用本地安全策略来设置IP安全策略，禁止所有入站和出站的数据包。使用防火墙来设置高级安全规则，拒绝所有入站和出站的连接请求。使用命令行工具netsh来关闭指定的端口，例如netshadvfirewallfirewalladdrulenameBlock445dirinactionblockprotocolTCPlocalport445。
　　关闭高危端口可以提高电脑的安全性，避免被勒索病毒或者肉鸡等恶意软件攻击。但是也要注意，关闭一些必要的端口可能会影响电脑的正常功能，比如文件共享或者远程桌面等。所以在关闭前，请确保你了解每个端口的作用，并做好备份。