TCP/UDP Port Finder

Enter port number (e.g. 21), service (e.g. ssh, ftp) or threat (e.g. nimda)
Database updated - March 30, 2016

Search results for "ab"

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Port: 20/TCP
20/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • ftp-data
    File Transfer [Default Data]
    IANA
  •  
    FTP - data transfer (Official)
    WIKI
  • ftp-data
    File Transport Protocol (FTP).
    Apple
  • threat
    [threat] Randex
    Bekkoame
  • sennaspyftpserver
    [trojan] Senna Spy FTP server
    SANS
  • trojan
    [trojan] Amanda. Remote Access / Keylogger / Steals passwords / ICQ trojan. Works on Windows 95 and 98, together with ICQ. Amanda installs under Windows NT, but is not able to run. Aliases: Backdoor.Amanda
    Simovits
Port: 28/TCP
28/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  • altavista-fw97
    AltaVista Firewall97
    SANS
  • trojan
    [trojan] Amanda. Remote Access / Keylogger / Steals passwords / ICQ trojan. Works on Windows 95 and 98, together with ICQ. Amanda installs under Windows NT, but is not able to run. Aliases: Backdoor.Amanda
    Simovits
Port: 666/TCP
666/TCP - Known port assignments (37 records found)
  • Service
    Details
    Source
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • doom
    doom Id Software
    IANA
  • threat
    [threat] Back Construction
    Bekkoame
  • threat
    [threat] Beasty
    Bekkoame
  • threat
    [threat] BLA trojan
    Bekkoame
  • threat
    [threat] Cain &Abel
    Bekkoame
  • threat
    [threat] Checkesp
    Bekkoame
  • threat
    [threat] FTP_Ana
    Bekkoame
  • threat
    [threat] Futro
    Bekkoame
  • threat
    [threat] Microkos
    Bekkoame
  • threat
    [threat] NokNok
    Bekkoame
  • threat
    [threat] Private
    Bekkoame
  • threat
    [threat] Satans Back Door - SBD
    Bekkoame
  • threat
    [threat] ServU
    Bekkoame
  • threat
    [threat] Shadow Phyre
    Bekkoame
  • threat
    [threat] Sixca
    Bekkoame
  • threat
    [threat] th3r1pp3rz
    Bekkoame
  • threat
    [threat] W32.Dreffort
    Bekkoame
  • attackftp
    [trojan] Attack FTP
    SANS
  • backconstruction
    [trojan] Back Construction
    SANS
  • blatrojan
    [trojan] BLA trojan
    SANS
  • cain&abel
    [trojan] Cain & Abel
    SANS
  • lpdw0rm
    [trojan] lpdw0rm
    SANS
  • noknok
    [trojan] NokNok
    SANS
  • satansbackdoor
    [trojan] Satans Back Door - SBD
    SANS
  • servu
    [trojan] ServU
    SANS
  • shadowphyre
    [trojan] Shadow Phyre
    SANS
  • th3r1pp3rz
    [trojan] th3r1pp3rz (= Therippers)
    SANS
  • trojan
    [trojan] Attack FTP. FTP server. Works on Windows 95, 98, ME, NT and 2000. Aliases: IrcPatch
    Simovits
  • trojan
    [trojan] Back Construction. Remote Access / FTP server. Works on Windows 95 and 98. Aliases: Nightmare.B, Backdoor.Nightmare.B
    Simovits
  • trojan
    [trojan] BLA trojan. Anti-protection trojan / Remote Access / Keylogger / Steals passwords / Hacking tool / Proxy / Destructive trojan. Works on Windows 95 and 98. Aliases: Asian trojan, Backdoor.Trojan
    Simovits
  • trojan
    [trojan] NokNok. Anti-protection trojan / Remote Access / Steals passwords / IRC trojan / Port scanner. Works on Windows 95, 98, ME and 2000. Does NOT work on Windows NT. Aliases: Backdoor.FA, Troj_BckNokNok
    Simovits
  • trojan
    [trojan] Reverse Trojan. Remote Access / Keylogger / IRC trojan / FTP server / LAN trojan. Works on Windows. Aliases: Backdoor.ReverseTrojan
    Simovits
  • trojan
    [trojan] Shadow Phyre. Remote Access / IRC trojan / Port scanner / Proxy. Works on Windows. The SP Krew: Cheitan, Phr33k, and Mayhem. Aliases: Backdoor.ShadowPhyre
    Simovits
  • trojan
    [trojan] Unicorn. Remote Access / Keylogger / Mail bomber. Works on Windows 95, 98 and ME. Aliases: The Ripper, Backdoor.TheRipper
    Simovits
  • trojan
    [trojan] yoyo. Rootkit / Remote Access. Works on Unix (Linux).
    Simovits
  • threat
    [threat] Attack FTP
    Bekkoame
Port: 1025/TCP
1025/TCP - Known port assignments (24 records found)
  • Service
    Details
    Source
  • blackjack
    network blackjack
    IANA
  •  
    NFS or IIS or Teradata (Unofficial)
    WIKI
  • threat
    [threat] W32.Dasher
    Bekkoame
  • threat
    [threat] W32.Kiman
    Bekkoame
  • threat
    [threat] ABCHlp
    Bekkoame
  • threat
    [threat] Lala
    Bekkoame
  • threat
    [threat] Remote Storm
    Bekkoame
  • threat
    [threat] W32.Keco
    Bekkoame
  • threat
    [threat] W32.Spybot
    Bekkoame
  • trojan
    [trojan] AcidkoR. Remote Access. Works on Windows 95, 98 and ME. Based on the source code from Acid Shiver. Uses Telnet as the client. Aliases: Backdoor.AcidShiver.kor
    Simovits
  • trojan
    [trojan] BDDT. Remote Access. Works on Windows.
    Simovits
  • trojan
    [trojan] DataSpy Network X. Remote Access / Keylogger / Downloading trojan / Port scanner / DoS tool / IRC trojan / Port proxy / Hacking tool / Destructive trojan. Works on Windows. Aliases: DSNX, Win32.DSNX, Backdoor.DSNX, BackDoor.UK, Trojan.Win32.DSNX, Troj/Dsnx
    Simovits
  • trojan
    [trojan] Fraggle Rock. Remote Access / Keylogger / Steals passwords / Downloading trojan / DoS tool. Works on Windows 95, 98, ME, NT, 2000 and XP, together with MS Internet Information Server. Aliases: Backdoor.LT, Backdoor.Fraggle.Rock
    Simovits
  • trojan
    [trojan] KiLo. Remote Access. Works on Windows.
    Simovits
  • trojan
    [trojan] MuSka52. Remote Access / Keylogger / Steals passwords / ICQ trojan / AIM trojan. Works on Windows, together with AOL's Messanger AIM. Aliases: Backdoor.QT, BackDoor.Muska, M52
    Simovits
  • trojan
    [trojan] NetSpy. Remote Access. Works on Windows 95, 98 and NT.
    Simovits
  • trojan
    [trojan] Optix Pro. Anti-protection trojan / Remote Access / Keylogger / Steals passwords / FTP server. Works on Windows 95, 98, ME, NT, 2000 and XP, together with IRC, ICQ and AOL software. Aliases: Backdoor.OptixPro, BackDoor.ACH
    Simovits
  • trojan
    [trojan] Paltalk. Remote Access / Keylogger / Steals passwords. Works on Windows. Aliases: The Bloody Cup of Tea Trojan
    Simovits
  • trojan
    [trojan] Ptakks. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: Backdoor.Ptakks
    Simovits
  • trojan
    [trojan] Real 2000. Remote Access. Works on Windows. Aliases: Backdoor.Real2000, RE2k, Backdoor.RE2k
    Simovits
  • trojan
    [trojan] Remote Anything. Remote Access. Works on Windows 95, 98, ME, NT, 2000 and XP. This is a commercial software and sold for 49$ for one licens! Aliases: RA, Backdoor.RA, Remote-Anything
    Simovits
  • trojan
    [trojan] Remote Explorer Y2K. Remote Access. Works on Windows. Aliases: Real, Real 2000, Backdoor.RE2k
    Simovits
  • trojan
    [trojan] Remote Storm. Remote Access / Keylogger / Downloading trojan. Works on Windows.
    Simovits
  • trojan
    [trojan] RemoteNC. Remote Access / Telnet server. Works on Windows NT, 2000 and XP. Can be used with a Telnet client. Aliases: Backdoor.RemoteNC
    Simovits
Port: 1025/UDP
1025/UDP - Known port assignments (15 records found)
  • Service
    Details
    Source
  • win-rpc
    Windows RPC
    SANS
  • blackjack
    network blackjack
    IANA
  • threat
    [threat] Lala
    Bekkoame
  • threat
    [threat] Remote Storm
    Bekkoame
  • threat
    [threat] W32.Keco
    Bekkoame
  • threat
    [threat] W32.Spybot
    Bekkoame
  • trojan
    [trojan] KiLo. Remote Access. Works on Windows.
    Simovits
  • trojan
    [trojan] Optix Pro. Anti-protection trojan / Remote Access / Keylogger / Steals passwords / FTP server. Works on Windows 95, 98, ME, NT, 2000 and XP, together with IRC, ICQ and AOL software. Aliases: Backdoor.OptixPro, BackDoor.ACH
    Simovits
  • trojan
    [trojan] Ptakks. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: Backdoor.Ptakks
    Simovits
  • trojan
    [trojan] Real 2000. Remote Access. Works on Windows. Aliases: Backdoor.Real2000, RE2k, Backdoor.RE2k
    Simovits
  • trojan
    [trojan] Remote Anything. Remote Access. Works on Windows 95, 98, ME, NT, 2000 and XP. This is a commercial software and sold for 49$ for one licens! Aliases: RA, Backdoor.RA, Remote-Anything
    Simovits
  • trojan
    [trojan] Remote Explorer Y2K. Remote Access. Works on Windows. Aliases: Real, Real 2000, Backdoor.RE2k
    Simovits
  • trojan
    [trojan] Remote Storm. Remote Access / Keylogger / Downloading trojan. Works on Windows.
    Simovits
  • trojan
    [trojan] Yajing. Remote Access. Works on Windows. Uses Telnet as client. Aliases: Backdoor.Yajing
    Simovits
  • threat
    [threat] ABCHlp
    Bekkoame
Port: 1027/TCP
1027/TCP - Known port assignments (7 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  • icq
    icq instant messanger
    SANS
  • trojan
    [trojan] DataSpy Network X. Remote Access / Keylogger / Downloading trojan / Port scanner / DoS tool / IRC trojan / Port proxy / Hacking tool / Destructive trojan. Works on Windows. Aliases: DSNX, Win32.DSNX, Backdoor.DSNX, BackDoor.UK, Trojan.Win32.DSNX, Troj/Dsnx
    Simovits
  • trojan
    [trojan] KiLo. Remote Access. Works on Windows.
    Simovits
  • trojan
    [trojan] UandMe. Remote Access / Downloading trojan / Destructive trojan. Works on Windows. Aliases: Ratfury, U and Me, Backdoor.UandMe, Rat Fury
    Simovits
  • trojan
    [trojan] Clandestine. Works on Windows. Aliases: TrojanDropper.Win32.Small.f, Backdoor.RSC
    Simovits
  • threat
    [threat] ABCHlp
    Bekkoame
Port: 1027/UDP
1027/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  • threat
    [threat] ABCHlp
    Bekkoame
Port: 1031/TCP
1031/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • iad2
    BBN IAD
    IANA
  • trojan
    [trojan] KWM. Remote Access / Keylogger / Steals passwords / Downloading trojan. Works on Windows. Aliases: Backdoor.KWM
    Simovits
  • trojan
    [trojan] Little Witch. Remote Access / Steals passwords / FTP server. Works on Windows. Aliases: Backdoor.LittleWitch, Little Bitch, LW
    Simovits
  • trojan
    [trojan] Xanadu. Remote Access / Keylogger. Works on Windows 95, 98 and ME. The 1.0 server is not compatible with the 1.1 server, as the last version uses UDP instead of TCP. Aliases: Backdoor.Xanadu.11
    Simovits
  • trojan
    [trojan] Xot. Remote Access / IRC trojan. Works on Windows, together with mIRC 5.9 and above. Aliases: Backdoor.Zot
    Simovits
Port: 1031/UDP
1031/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • iad2
    BBN IAD
    IANA
  • trojan
    [trojan] Xot. Remote Access / IRC trojan. Works on Windows, together with mIRC 5.9 and above. Aliases: Backdoor.Zot
    Simovits
Port: 1546/TCP
1546/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • abbaccuray
    abbaccuray
    IANA
  • abbaccuray
    -
    SANS
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About TCP/UDP ports

TCP port 20 uses the Transmission Control Protocol. TCP is one of the main protocols in TCP/IP networks. TCP is a connection-oriented protocol, it requires handshaking to set up end-to-end communications. Only when a connection is set up user's data can be sent bi-directionally over the connection.
Attention! TCP guarantees delivery of data packets on port 20 in the same order in which they were sent. Guaranteed communication over TCP port 20 is the main difference between TCP and UDP. UDP port 20 would not have guaranteed communication as TCP.
UDP on port 20 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 20 thinks that error checking and correction is not necessary or performed in the application, avoiding the overhead of such processing at the network interface level.
UDP (User Datagram Protocol) is a minimal message-oriented Transport Layer protocol (protocol is documented in IETF RFC 768).
Application examples that often use UDP: voice over IP (VoIP), streaming media and real-time multiplayer games. Many web applications use UDP, e.g. the Domain Name System (DNS), the Routing Information Protocol (RIP), the Dynamic Host Configuration Protocol (DHCP), the Simple Network Management Protocol (SNMP).
TCP vs UDP - TCP: reliable, ordered, heavyweight, streaming; UDP - unreliable, not ordered, lightweight, datagrams.
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