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 "ser"

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Port: 1/TCP
1/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • tcpmux
    TCP Port Service Multiplexer
    IANA
  •  
    TCP Port Service Multiplexer (TCPMUX) (Official)
    WIKI
  • tcpmux
    TCP Port Service Multiplexer [rfc-1078]
    SANS
Port: 1/UDP
1/UDP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • tcpmux
    TCP Port Service Multiplexer
    IANA
  •  
    TCP Port Service Multiplexer (TCPMUX) (Official)
    WIKI
  • threat
    [threat] Sockets des Troie
    Bekkoame
  • socketsdestroie
    [trojan] Sockets des Troie
    SANS
  • trojan
    [trojan] Sockets des Troie. Remote Access / ICQ trojan / Virus. Works on Windows 95 and 98, together with ICQ. Features as telnet and finger. Aliases: Sockets23, Lame, BACKDOOR.KAMIKAZE, IRC_TROJAN, TROJ_BACKDOOR, W32/Cheval.gen , Backdoor.Sockets23, Control Du Sockets, W32.HLLP.DeTroie, DeTroie.drp
    Simovits
Port: 11/TCP
11/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • systat
    Active Users
    IANA
  •  
    Active Users (systat service) (Official)
    WIKI
  • trojan
    [trojan] Skun. Remote Access / Destructive trojan. Works on Windows. Aliases: Backdoor.Skun
    Simovits
Port: 11/UDP
11/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • systat
    Active Users
    IANA
  •  
    Active Users (systat service) (Official)
    WIKI
Port: 15/TCP
15/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  •  
    Unassigned [was netstat]
    IANA
  •  
    Previously netstat service (Unofficial)
    WIKI
  • netstat
    -
    SANS
  • b2
    [trojan] B2
    SANS
Port: 15/UDP
15/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  •  
    Previously netstat service (Unofficial)
    WIKI
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: 21/TCP
21/TCP - Known port assignments (46 records found)
  • Service
    Details
    Source
  • ftp
    FTP control.
    Apple
  •  
    FTP - control (command) (Official)
    WIKI
  • ftp
    File Transfer [Control]
    IANA
  • threat
    [threat] Cattivik FTP Server
    Bekkoame
  • threat
    [threat] CC Invader
    Bekkoame
  • threat
    [threat] Dark FTP
    Bekkoame
  • threat
    [threat] Doly Trojan
    Bekkoame
  • threat
    [threat] Fore
    Bekkoame
  • threat
    [threat] Invisible FTP
    Bekkoame
  • threat
    [threat] Juggernaut 42
    Bekkoame
  • threat
    [threat] Larva
    Bekkoame
  • threat
    [threat] MotIv FTP
    Bekkoame
  • threat
    [threat] Net Administrator
    Bekkoame
  • threat
    [threat] Ramen
    Bekkoame
  • threat
    [threat] Senna Spy FTP server
    Bekkoame
  • threat
    [threat] The Flu
    Bekkoame
  • threat
    [threat] Traitor 21
    Bekkoame
  • threat
    [threat] W32.Bobax
    Bekkoame
  • threat
    [threat] W32.Loxbot
    Bekkoame
  • threat
    [threat] W32.Mytob
    Bekkoame
  • threat
    [threat] WebEx
    Bekkoame
  • threat
    [threat] WinCrash
    Bekkoame
  • trojan
    [trojan] ADM worm. Worm / Rootkit / Backdoor. Works on Unix (Linux). Affects Linux RedHat 4.0 to 5.2. Aliases: ADM Inet w0rm, Linux.ADM.Worm
    Simovits
  • trojan
    [trojan] Back Construction. Remote Access / FTP server. Works on Windows 95 and 98. Aliases: Nightmare.B, Backdoor.Nightmare.B
    Simovits
  • trojan
    [trojan] Blade Runner. Remote Access. Works on Windows 95 and 98. The Client.zip-file also includes 32 WAV-files and 6 BMP-files. Aliases: Backdoor.BladeRunner
    Simovits
  • trojan
    [trojan] BlueFire. Remote Access / FTP server / Telnet trojan. Works on Windows. Aliases: Backdoor.BlueFire
    Simovits
  • trojan
    [trojan] Bmail. Remote Access. Works on Windows. Aliases: BackDoor.ABH, Backdoor.FTP.Bmail
    Simovits
  • trojan
    [trojan] Cattivik FTP Server. FTP server. Works on Windows 95, 98 and ME. Aliases: Senza, Backdoor.Senza
    Simovits
  • trojan
    [trojan] CC Invader. Remote Access / FTP server. Works on Windows 95, 98 and ME. Aliases: Backdoor.CCInvader, Backdoor.SysReg, SysReg
    Simovits
  • trojan
    [trojan] Dark FTP. Anti-protection trojan / Remote Access / FTP server / IRC trojan / Hacking tool. Works on Windows 95, 98, ME and NT, together with an IRC software and any FTP software. Aliases: Backdoor.KE
    Simovits
  • trojan
    [trojan] Doly Trojan. Remote Access / Keylogger / IRC trojan. Works on Windows 95, 98 and NT. Please note that not all versions work on NT. Dhacker.exe is a Doly 1.6 password cracker and Vbrun60.exe is only needed if you want to run it (written in Visual Basic 6). Aliases: Backdoor.AZ, Backdoor.Doly
    Simovits
  • trojan
    [trojan] FreddyK. Anti-protection trojan / Remote Access / FTP server / Downloading trojan. Works on Windows 95, 98 and ME. Aliases: Freddy 2001, Backdoor.FreddyK, TrojanDropper.Win32.Joiner.w
    Simovits
  • trojan
    [trojan] Invisible FTP. Downloading trojan / FTP server. Works on Windows 95, 98, ME, NT and 2000. Uses any FTP client as client, such as Cute FTP and Ws_ftp. Aliases: Win FTP, Zemac FTP, Backdoor.InvisibleFTP
    Simovits
  • trojan
    [trojan] KWM. Remote Access / Keylogger / Steals passwords / Downloading trojan. Works on Windows. Aliases: Backdoor.KWM
    Simovits
  • trojan
    [trojan] MscanWorm.
    Simovits
  • trojan
    [trojan] NerTe. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98, ME, NT and 2000. Aliases: Backdoor.NerTe, Backdoor.SG
    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] Pinochet. Remote Access / Keylogger. Works on Windows.
    Simovits
  • trojan
    [trojan] Ramen. Worm / HTML trojan / HTTP server / Hacking tool / Destructive trojan. Works on Unix (Linux). Linux Red Hat 6.x and early versions of 7.0. May also work on other Unix dialects such as FreeBSD and Linux SuSE, Mandrake and Cladera. The mail addresses used are [email protected] and [email protected] Aliases: Linux.Ramen, Worm.Ramen, Elf.Ramen
    Simovits
  • trojan
    [trojan] Reverse Trojan. Remote Access / Keylogger / IRC trojan / FTP server / LAN trojan. Works on Windows. Aliases: Backdoor.ReverseTrojan
    Simovits
  • trojan
    [trojan] RTB 666. Remote Access / FTP server / IP scanner. Works on Windows, together with MS Internet Explorer. Aliases: Backdoor.RTB
    Simovits
  • trojan
    [trojan] The Flu. FTP server. Works on Windows 95, 98 and ME. Any FTP client can be used. Aliases: Rux the Flu, Backdoor.TheFlu
    Simovits
  • trojan
    [trojan] WinCrash. Anti-protection trojan / Remote Access / Keylogger / Steals passwords / Network trojan / IP scanner. Works on Windows 95, 98, ME and NT. Aliases: BackDoor.M, Backdoor.Wincrash, W95/Backdoor.WinCrash
    Simovits
  • trojan
    [trojan] Voyager Alpha Force. Worm / Remote Access / Distributed DoS tool / SQL trojan / IRC trojan / Downloading trojan / FTP server. Works on Windows, together with MS SQL Server 6.5 and 7.0. Aliases: MS SQL worm, SQL worm, Cblade, W32.Cblade.Worm
    Simovits
  • threat
    [threat] Back Construction
    Bekkoame
  • threat
    [threat] Blade Runner
    Bekkoame
Port: 22/TCP
22/TCP - Known port assignments (7 records found)
  • Service
    Details
    Source
  • ssh
    Secure Shell (SSH).
    Apple
  •  
    Secure Shell (SSH) - used for secure logins, file transfers (scp, sftp) and port forwarding (Official)
    WIKI
  • ssh
    The Secure Shell (SSH) Protocol
    IANA
  • trojan
    [trojan] Skun. Remote Access / Destructive trojan. Works on Windows. Aliases: Backdoor.Skun
    Simovits
  • trojan
    [trojan] InCommand. Remote Access / Keylogger / Steals passwords / Remote peeker / ICQ trojan / IRC trojan / FTP server. Works on Windows 95 and 98, together with ICQ. Uses Blade Runner source code. Uses plug-ins. Aliases: Backdoor.InCommand, BackDoor.DB, Trojan.Win32.InCommand, InCommander, Incomm
    Simovits
  • trojan
    [trojan] Shaft. Distributed DoS tool / Steals passwords. Works on Unix.
    Simovits
  • threat
    [threat] Shaft
    Bekkoame
Port: 23/TCP
23/TCP - Known port assignments (20 records found)
  • Service
    Details
    Source
  •  
    Telnet protocol - unencrypted text communications (Official)
    WIKI
  • telnet
    -
    SANS
  • telnet
    Telnet.
    Apple
  • telnet
    Telnet
    IANA
  • threat
    [threat] Tiny Telnet Server - TTS
    Bekkoame
  • threat
    [threat] Truva Atl
    Bekkoame
  • telnet
    [threat] Telnet
    Bekkoame
  • trojan
    [trojan] ADM worm. Worm / Rootkit / Backdoor. Works on Unix (Linux). Affects Linux RedHat 4.0 to 5.2. Aliases: ADM Inet w0rm, Linux.ADM.Worm
    Simovits
  • trojan
    [trojan] Aphex's Remote Packet Sniffer. Remote Access / Network sniffer. Works on Windows. Aliases: Asniffer
    Simovits
  • trojan
    [trojan] AutoSpY. Anti-protection trojan / Remote Access / Worm / Network trojan / DoS tool / Telnet server / Virus dropper / Prank trojan. Works on Windows 95 and 98, together with MS Outlook. At least on version 1.2 Apocalipse, Telnet can be used as client. Aliases: AntiSpy, Backdoor.AntiSpy, Backdoor.AutoSpy
    Simovits
  • trojan
    [trojan] ButtMan. Remote Access. Works on Windows 95, 98 and NT. Aliases: BM, Backdoor.Buttman, Backdoor.Tubma, Backdoor.BR, Tubma
    Simovits
  • trojan
    [trojan] Fire HacKer. Remote Access. Works on Windows. Aliases: Backdoor.FireHacker
    Simovits
  • trojan
    [trojan] My Very Own trojan. Remote Access / FTP server. Works on Windows 95, 98 and ME. Telnet is used as client.
    Simovits
  • trojan
    [trojan] Pest. Remote Access / Keylogger / Steals passwords / Remote peeker / MSN trojan / Port scanner / Destructive trojan. Works on Windows 95, 98, ME, NT, 2000 and XP, together with MS MSN Messenger. the first version(s) did NOT work on Windows 2000. Aliases: Pestdoor, Backdoor.Pestdoor, Antilam, Backdoor.Antilam.g1, Juntador, TrojanDropper.Win32.Juntador.c
    Simovits
  • trojan
    [trojan] RTB 666. Remote Access / FTP server / IP scanner. Works on Windows, together with MS Internet Explorer. Aliases: Backdoor.RTB
    Simovits
  • trojan
    [trojan] Tiny Telnet Server - TTS. Remote Access. Works on Windows. Telnet server.
    Simovits
  • trojan
    [trojan] Truva Atl. Anti-protection trojan / Remote Access. Works on Windows 95 and 98. Aliases: Komut, Backdoor.Komut, Warhome, BKDR_Warhome
    Simovits
  • threat
    [threat] Dagonit
    Bekkoame
  • threat
    [threat] Fire HacKer
    Bekkoame
  • threat
    [threat] MindControl
    Bekkoame
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About TCP/UDP ports

TCP port 1 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 1 in the same order in which they were sent. Guaranteed communication over TCP port 1 is the main difference between TCP and UDP. UDP port 1 would not have guaranteed communication as TCP.
UDP on port 1 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 1 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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