端口号协议解释
0 TCP Reserved
0 UDP Reserved
1 TCP tcpmux TCP Port Service Multiplexer Breach, SocketsDeTroie
1 UDP tcpmux TCP Port Service Multiplexer Sockets des Troie, SocketsDeTroie
2 TCP qke-llc-v
3 Qke LLC V.3 Death
2 UDP compressnet Management Utility
3 TCP compressnet Compression Process
3 UDP compressnet Compression Process
5 TCP rje Remote Job Entry
5 UDP rje Remote Job Entry
7 TCP echo Echo
7 UDP echo Echo
9 TCP discard Discard
9 UDP discard Discard
11 TCP systat Active Users
11 UDP systat Active Users
13 TCP daytime Daytime (RFC 867)
13 UDP daytime Daytime (RFC 867)
15 TCP B2
17 TCP qotd Quote of the Day
17 UDP qotd Quote of the Day
18 TCP msp Message Send Protocol
18 UDP msp Message Send Protocol
19 TCP chargen Character Generator
19 UDP chargen Character Generator
20 TCP ftp-data File Transfer [Default Data] Senna Spy FTP server
20 UDP ftp-data File Transfer [Default Data]
21 TCP ftp File Transfer [Control] Back Construction, Blade Runner, Cattivik FTP Server, CC Invader, Dark FTP, Doly Trojan, Fore, FreddyK, Invisible FTP, Juggernaut 42, Larva, MotIv FTP, Net Administrator, Ramen, RTB 666, Senna Spy FTP server, The Flu,
Traitor 21, WebEx, WinCrash
21 UDP ftp File Transfer [Control]
22 TCP ssh SSH Remote Login Protocol Adore sshd, Shaft
22 UDP ssh SSH Remote Login Protocol
23 TCP telnet Telnet ADM worm, Fire HacKer, My Very Own trojan, RTB 666, Telnet Pro, Tiny Telnet Server - TTS, Truva Atl
23 UDP telnet Telnet
24 TCP any private mail system Back Orifice 2000 (BO2K) Control Port
24 UDP any private mail system
25 TCP smtp Simple Mail Transfer Ajan, Antigen, Barok, BSE, Email Password Sender - EPS, EPS II, Gip, Gris, Happy99, Hpteam mail, Hybris, I love you, Kuang2, Magic Horse, MBT (Mail Bombing Trojan), Moscow Email trojan, Naebi, NewApt worm, ProMail
trojan, Shtirlitz, Stealth, Stukach, Tapiras, Terminator, WinPC, WinSpy
25 UDP smtp Simple Mail Transfer
27 TCP nsw-fe NSW User System FE
27 UDP nsw-fe NSW User System FE
28 TCP Amanda
29 TCP msg-icp MSG ICP
29 UDP msg-icp MSG ICP
30 TCP Agent 40421
31 TCP msg-auth MSG Authentication Agent 31, Hackers Paradise, Masters Paradise, MastersParadise
31 UDP msg-auth MSG Authentication
33 TCP dsp Display Support Protocol
33 UDP dsp Display Support Protocol
35 TCP any private printer server
35 UDP any private printer server
37 TCP time Time
37 UDP time Time
38 TCP rap Route Access Protocol
38 UDP rap Route Access Protocol
39 TCP rlp Resource Location Protocol SubSARI
39 UDP rlp Resource Location Protocol
41 TCP graphics Graphics Deep Throat, Foreplay or Reduced Foreplay
41 UDP graphics Graphics
42 TCP nameserver Host Name Server
42 UDP nameserver Host Name Server
43 TCP nicname Who Is
43 UDP nicname Who Is
44 TCP mpm-flags MPM FLAGS Protocol Arctic
44 UDP mpm-flags MPM FLAGS Protocol
45 TCP mpm Message Processing Module [recv]
45 UDP mpm Message Processing Module [recv]
46 TCP mpm-snd MPM [default send]
46 UDP mpm-snd MPM [default send]
47 TCP ni-ftp NI FTP
47 UDP ni-ftp NI FTP
48 TCP auditd Digital Audit Daemon DRAT
48 UDP auditd Digital Audit Daemon
49 TCP tacacs Login Host Protocol (TACACS)
49 UDP tacacs Login Host Protocol (TACACS)
50 TCP re-mail-ck Remote Mail Checking Protocol DRAT
50 UDP re-mail-ck Remote Mail Checking Protocol
51 TCP la-maint IMP Logical Address Maintenance
51 UDP la-maint IMP Logical Address Maintenance
52 TCP xns-time XNS Time Protocol
52 UDP xns-time XNS Time Protocol