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 "ds"

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Port: 33/TCP
33/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • dsp
    Display Support Protocol
    IANA
  •  
    Display Support Protocol (Official)
    WIKI
Port: 33/UDP
33/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • dsp
    Display Support Protocol
    IANA
  •  
    Display Support Protocol (Official)
    WIKI
Port: 113/TCP
113/TCP - Known port assignments (20 records found)
  • Service
    Details
    Source
  • auth
    Authentication Service
    IANA
  •  
    ident - Authentication Service/Identification Protocol, used by IRC servers to identify users (Official)
    WIKI
  • ident
    -
    Bekkoame
  • auth
    ident tap Authentication Service
    SANS
  • ident
    Identification Protocol.
    Apple
  • threat
    [threat] W32.Bofra
    Bekkoame
  • threat
    [threat] W32.Korgo
    Bekkoame
  • threat
    [threat] W32.Linkbot
    Bekkoame
  • threat
    [threat] W32.Mydoom
    Bekkoame
  • threat
    [threat] W32.Spybot
    Bekkoame
  • trojan
    [trojan] Dosh. Remote Access. Works on Windows. Aliases: Backdoor.Dosh
    Simovits
  • trojan
    [trojan] Gibbon. Works on Windows. Aliases: Backdoor.Gibbon, Ders, Backdoor.Ders, Delf.E, War Gibbon
    Simovits
  • trojan
    [trojan] Taskman. Remote Access / IRC trojan / DoS tool. Works on Windows 95, 98 and NT, together with an IRC software. Aliases: Trojan.PSW.Taskman, Task Manager, Tasm, Backdoor.Tasmer, Narnar, W32.Tasmer.A, IRC/Randy, Randy, Tasmer
    Simovits
  • 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] Alicia. Remote Access / IRC trojan. Works on Windows. Aliases: Backdoor.Alicia
    Simovits
  • trojan
    [trojan] Cyn. Remote Access / Downloading trojan / Port scanner. Works on Windows. Aliases: Backdoor.Cyn, Backdoor.PB
    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
  • threat
    [threat] Invisible Identd Deamon
    Bekkoame
  • threat
    [threat] Kazimas
    Bekkoame
  • threat
    [threat] Randex
    Bekkoame
Port: 246/TCP
246/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • dsp3270
    Display Systems Protocol
    IANA
Port: 246/UDP
246/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • dsp3270
    Display Systems Protocol
    IANA
Port: 378/TCP
378/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • dsETOS
    NEC Corporation
    IANA
  • dsetos
    NEC Corporation
    SANS
Port: 378/UDP
378/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • dsETOS
    NEC Corporation
    IANA
  • dsetos
    NEC Corporation
    SANS
Port: 438/TCP
438/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • dsfgw
    dsfgw
    IANA
  • dsfgw
    -
    SANS
Port: 438/UDP
438/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • dsfgw
    dsfgw
    IANA
  • dsfgw
    -
    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
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About TCP/UDP ports

TCP port 33 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 33 in the same order in which they were sent. Guaranteed communication over TCP port 33 is the main difference between TCP and UDP. UDP port 33 would not have guaranteed communication as TCP.
UDP on port 33 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 33 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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