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 "pass"

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Port: 511/TCP
511/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • passgo
    PassGo
    IANA
  • passgo
    -
    SANS
  • threat
    [threat] Part of rootkit t0rn, a program called "leeto's socket daemon" runs at this port.
    Bekkoame
  • t0rnrootkit
    [trojan] T0rn Rootkit
    SANS
  • trojan
    [trojan] T0rn Rootkit. Rootkit. Works on Unix (Linux). Aliases: Torn Rootkit
    Simovits
Port: 512/TCP
512/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • exec
    remote process execution; authentication performed using passwords and UNIX login names
    IANA
  •  
    Rexec, Remote Process Execution (Official)
    WIKI
  • exec
    BSD rexecd(8)
    SANS
Port: 555/TCP
555/TCP - Known port assignments (18 records found)
  • Service
    Details
    Source
  • dsf
    -
    IANA
  • threat
    [threat] 711 trojan (Seven Eleven)
    Bekkoame
  • threat
    [threat] Ini-Killer
    Bekkoame
  • threat
    [threat] Net Administrator
    Bekkoame
  • threat
    [threat] Phase Zero
    Bekkoame
  • threat
    [threat] Phase-0
    Bekkoame
  • threat
    [threat] Stealth Spy
    Bekkoame
  • threat
    [threat] Trojan: phAse Zero
    Bekkoame
  • 711trojan
    [trojan] 711 trojan (Seven Eleven)
    SANS
  • inikiller
    [trojan] Ini-Killer
    SANS
  • ini-killer
    [trojan] Ini-Killer
    SANS
  • netadministrator
    [trojan] Net Administrator
    SANS
  • phase-0
    [trojan] Phase-0
    SANS
  • phasezero
    [trojan] Phase Zero
    SANS
  • stealthspy
    [trojan] Stealth Spy
    SANS
  • trojan
    [trojan] 711 trojan (Seven Eleven). Anti-protection trojan / Remote Access / Keylogger / Steals passwords / Hacking tool / Destructive trojan. Works on Windows 95, 98 and ME. The source code is mainly based on the one of SoftWAR. Aliases: Seven Eleven, Seven1one
    Simovits
  • trojan
    [trojan] Phase Zero. Remote Access. Works on Windows 95, 98 and NT. Aliases: XD trojan, PhaseServer, Win32.Phase
    Simovits
  • trojan
    [trojan] Phase-0. Remote Access. Works on Windows 95, 98 and NT. Aliases: XD trojan, PhaseServer, Win32.Phase
    Simovits
Port: 586/TCP
586/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • password-chg
    Password Change
    IANA
  • password-chg
    -
    SANS
Port: 586/UDP
586/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • password-chg
    Password Change
    IANA
  • password-chg
    -
    SANS
Port: 627/TCP
627/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • passgo-tivoli
    PassGo Tivoli
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 627/UDP
627/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • passgo-tivoli
    PassGo Tivoli
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 661/TCP
661/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • hap
    HAP
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • noknok
    [trojan] NokNok
    SANS
  • 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
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: 667/TCP
667/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • disclose
    campaign contribution disclosures - SDR Technologies
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • threat
    [threat] SniperNet
    Bekkoame
  • snipernet
    [trojan] SniperNet
    SANS
  • 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] SniperNet. Remote Access. Works on Windows 95 and 98. Aliases: Backdoor.SniperNet
    Simovits
<< < 1 2 3 4 5 6 7 8 9 > >>

About TCP/UDP ports

TCP port 511 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 511 in the same order in which they were sent. Guaranteed communication over TCP port 511 is the main difference between TCP and UDP. UDP port 511 would not have guaranteed communication as TCP.
UDP on port 511 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 511 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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