按端口號(hào)可分為3大類: (1)公認(rèn)端口(Well Known Ports):從0到1023,它們緊密綁定(binding)于一些服務(wù)。通常這些端口的通訊明確表明了某種服務(wù)的協(xié)議。例如:80端口實(shí)際上總是HTTP通訊。 (2)注冊(cè)端口(Registered Ports):從1024到49151。它們松散地綁定于一些服務(wù)。也就是說有許多服務(wù)綁定于這些端口,這些端口同樣用于許多其它目的。例如:許多系統(tǒng)處理動(dòng)態(tài)端口從1024左右開始。 (3)動(dòng)態(tài)和/或私有端口(Dynamic and/or Private Ports):從49152到65535。理論上,不應(yīng)為服務(wù)分配這些端口。實(shí)際上,機(jī)器通常從1024起分配動(dòng)態(tài)端口。但也有例外:SUN的RPC端口從32768開始。 0 通常用于分析操作系統(tǒng)。這一方法能夠工作是因?yàn)樵谝恍┫到y(tǒng)中“0”是無效端口,當(dāng)你試圖使用一種通常的閉合端口連接它時(shí)將產(chǎn)生不同的結(jié)果。一種典型的掃描:使用IP地址為0.0.0.0,設(shè)置ACK位并在以太網(wǎng)層廣播。 1 tcpmux TCP Port Service Multiplexer 傳輸控制協(xié)議端口服務(wù)多路開關(guān)選擇器 2 compressnet Management Utility compressnet 管理實(shí)用程序 3 compressnet Compression Process 壓縮進(jìn)程 5 rje Remote Job Entry 遠(yuǎn)程作業(yè)登錄 7 echo Echo 回顯 9 discard Discard 丟棄 11 systat Active Users 在線用戶 13 daytime Daytime 時(shí)間 17 qotd Quote of the Day 每日引用 18 msp Message Send Protocol 消息發(fā)送協(xié)議 19 chargen Character Generator 字符發(fā)生器 20 ftp-data File Transfer[Default Data] 文件傳輸協(xié)議(默認(rèn)數(shù)據(jù)口) 21 ftp File Transfer[Control] 文件傳輸協(xié)議(控制) 22 ssh SSH Remote Login Protocol SSH遠(yuǎn)程登錄協(xié)議 23 telnet Telnet 終端仿真協(xié)議 24 any private mail system 預(yù)留給個(gè)人用郵件系統(tǒng) 25 smtp Simple Mail Transfer 簡單郵件發(fā)送協(xié)議 27 nsw-fe NSW User System FE NSW 用戶系統(tǒng)現(xiàn)場工程師 29 msg-icp MSG ICP MSG ICP 31 msg-auth MSG Authentication MSG驗(yàn)證 33 dsp Display Support Protocol 顯示支持協(xié)議 35 any private printer server 預(yù)留給個(gè)人打印機(jī)服務(wù) 37 time Time 時(shí)間 38 rap Route Access Protocol 路由訪問協(xié)議 39 rlp Resource Location Protocol 資源定位協(xié)議 41 graphics Graphics 圖形 42 nameserver WINS Host Name Server WINS 主機(jī)名服務(wù) 43 nicname Who Is "綽號(hào)" who is服務(wù) 44 mpm-flags MPM FLAGS Protocol MPM(消息處理模塊)標(biāo)志協(xié)議 45 mpm Message Processing Module [recv] 消息處理模塊 46 mpm-snd MPM [default send] 消息處理模塊(默認(rèn)發(fā)送口) 47 ni-ftp NI FTP NI FTP 48 auditd Digital Audit Daemon 數(shù)碼音頻后臺(tái)服務(wù)49 tacacs Login Host Protocol (TACACS) TACACS登錄主機(jī)協(xié)議50 re-mail-ck Remote Mail Checking Protocol 遠(yuǎn)程郵件檢查協(xié)議[未結(jié)束] 51 la-maint IMP Logical Address Maintenance IMP(接口信息處理機(jī))邏輯地址維護(hù) 52 xns-time XNS Time Protocol 施樂網(wǎng)絡(luò)服務(wù)系統(tǒng)時(shí)間協(xié)議 53 domain Domain Name Server 域名服務(wù)器 54 xns-ch XNS Clearinghouse 施樂網(wǎng)絡(luò)服務(wù)系統(tǒng)票據(jù)交換 55 isi-gl ISI Graphics Language ISI圖形語言 56 xns-auth XNS Authentication 施樂網(wǎng)絡(luò)服務(wù)系統(tǒng)驗(yàn)證 57 ? any private terminal access 預(yù)留個(gè)人用終端訪問 58 xns-mail XNS Mail 施樂網(wǎng)絡(luò)服務(wù)系統(tǒng)郵件 59 any private file service 預(yù)留個(gè)人文件服務(wù) 60 Unassigned 未定義 61 ni-mail NI MAIL NI郵件? 62 acas ACA Services 異步通訊適配器服務(wù) 63 whois+ whois+ WHOIS+ 64 covia Communications Integrator (CI) 通訊接口 65 tacacs-ds TACACS-Database Service TACACS數(shù)據(jù)庫服務(wù) 66 sql*net Oracle SQL*NET Oracle SQL*NET 67 bootps Bootstrap Protocol Server 引導(dǎo)程序協(xié)議服務(wù)端 68 bootpc Bootstrap Protocol Client 引導(dǎo)程序協(xié)議客戶端 69 tftp Trivial File Transfer 小型文件傳輸協(xié)議 70 gopher Gopher 信息檢索協(xié)議 71 netrjs-1 Remote Job Service 遠(yuǎn)程作業(yè)服務(wù) 72 netrjs-2 Remote Job Service 遠(yuǎn)程作業(yè)服務(wù) 73 netrjs-3 Remote Job Service 遠(yuǎn)程作業(yè)服務(wù) 74 netrjs-4 Remote Job Service 遠(yuǎn)程作業(yè)服務(wù) 75 any private dial out service 預(yù)留給個(gè)人撥出服務(wù) 76 deos Distributed External Object Store 分布式外部對(duì)象存儲(chǔ) 77 any private RJE service 預(yù)留給個(gè)人遠(yuǎn)程作業(yè)輸入服務(wù) 78 vettcp vettcp 修正TCP? 79 finger Finger 查詢遠(yuǎn)程主機(jī)在線用戶等信息 80 http World Wide Web HTTP 全球信息網(wǎng)超文本傳輸協(xié)議 81 hosts2-ns HOSTS2 Name Server HOST2名稱服務(wù) 82 xfer XFER Utility 傳輸實(shí)用程序 83 mit-ml-dev MIT ML Device 模塊化智能終端ML設(shè)備 84 ctf Common Trace Facility 公用追蹤設(shè)備 85 mit-ml-dev MIT ML Device 模塊化智能終端ML設(shè)備 86 mfcobol Micro Focus Cobol Micro Focus Cobol編程語言 87 any private terminal link 預(yù)留給個(gè)人終端連接 88 kerberos Kerberos Kerberros安全認(rèn)證系統(tǒng) 89 su-mit-tg SU/MIT Telnet Gateway SU/MIT終端仿真網(wǎng)關(guān) 90 dnsix DNSIX Securit Attribute Token Map DNSIX 安全屬性標(biāo)記圖91 mit-dov MIT Dover Spooler MIT Dover假脫機(jī) 92 npp Network Printing Protocol 網(wǎng)絡(luò)打印協(xié)議 93 dcp Device Control Protocol 設(shè)備控制協(xié)議 94 objcall Tivoli Object Dispatcher Tivoli對(duì)象調(diào)度 95 supdup SUPDUP 96 dixie DIXIE Protocol Specification DIXIE協(xié)議規(guī)范 97 swift-rvf(Swift Remote Virtural File Protocol)快速遠(yuǎn)程虛擬文件協(xié)議98 tacnews TAC News TAC新聞協(xié)議 99 metagram Metagram Relay 100 newacct [unauthorized use] 101=NIC Host Name Server 102=ISO-TSAP 103=Genesis Point-to-Point Trans Net 104=ACR-NEMA Digital Imag. & Comm. 300 105=Mailbox Name Nameserver 106=3COM-TSMUX3com-tsmux 107=Remote Telnet Service 108=SNA Gateway Access Server 109=Post Office Protocol - Version 2 110=Post Office Protocol - Version 3 111=SUN RPC 112=McIDAS Data Transmission Protocol 113=Authentication Service 114=Audio News Multicast 115=Simple File Transfer Protocol 116=ANSA REX Notify 117=UUCP Path Service 118=SQL Servicessqlserv 119=Network News Transfer Protocol 120=CFDPTKTcfdptkt 121=Encore Expedited Remote Pro.Call 122=SMAKYNETsmakynet 123=Network Time Protocol 124=ANSA REX Trader 125=Locus PC-Interface Net Map Ser 126=Unisys Unitary Login 127=Locus PC-Interface Conn Server 128=GSS X License Verification 129=Password Generator Protocol 130=cisco FNATIVE 131=cisco TNATIVE 132=cisco SYSMAINT 133=Statistics Service 134=INGRES-NET Service 135=Location Service 136=PROFILE Naming System 137=NETBIOS Name Service 138=NETBIOS Datagram Service 139=NETBIOS Session Service 140=EMFIS Data Service 141=EMFIS Control Service 142=Britton-Lee IDM 143=Interim Mail Access Protocol v2 144=NewSnews 145=UAAC Protocoluaac 146=ISO-IP0iso-tp0 147=ISO-IPiso-ip 148=CRONUS-SUPPORT 149=AED 512 Emulation Service 150=SQL-NETsql-net 151=HEMShems 152=Background File Transfer Program 153=SGMPsgmp 154=NETSCnetsc-prod 155=NETSCnetsc-dev 156=SQL Service 157=KNET/VM Command/Message Protocol 158=PCMail Serverpcmail-srv 159=NSS-Routingnss-routing 160=SGMP-TRAPSsgmp-traps 161=SNMP 162=SNMP TRAP 163=CMIP/TCP Manager 164=CMIP/TCP Agent 165=Xeroxxns-courier 166=Sirius Systems 167=NAMPnamp 168=RSVDrsvd 169=Send 170=Network PostScript 170=Network PostScript 171=Network Innovations Multiplex 172=Network Innovations CL/1 173=Xyplexxyplex-mux 174=MAILQ 175=VMNET 176=GENRAD-MUXgenrad-mux 177=X Display Manager Control Protocol 178=NextStep Window Server 179=Border Gateway Protocol 180=Intergraphris 181=Unifyunify 182=Unisys Audit SITP 183=OCBinderocbinder 184=OCServerocserver 185=Remote-KIS 186=KIS Protocolkis 187=Application Communication Interface 188=Plus Five
出處:
責(zé)任編輯:劍氣凌人
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