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 "set"

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Port: 257/TCP
257/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • set
    Secure Electronic Transaction
    IANA
  • fw1
    Checkpoint Firewall-1
    SANS
  • threat
    [threat] FW1 logging
    Bekkoame
Port: 257/UDP
257/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • set
    Secure Electronic Transaction
    IANA
Port: 464/TCP
464/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • kpasswd
    kpasswd
    IANA
  •  
    Kerberos Change/Set password (Official)
    WIKI
  • kpasswd
    kpasswd.
    Apple
Port: 464/UDP
464/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • kpasswd
    kpasswd
    IANA
  •  
    Kerberos Change/Set password (Official)
    WIKI
  • kpasswd
    kpasswd.
    Apple
Port: 592/TCP
592/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • eudora-set
    Eudora Set
    IANA
  • eudora-set
    -
    SANS
Port: 592/UDP
592/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • eudora-set
    Eudora Set
    IANA
  • eudora-set
    -
    SANS
Port: 660/TCP
660/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • mac-srvr-admin
    MacOS Server Admin
    IANA
  •  
    Mac OS X Server administration (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • mac-srvr-admin
    MacOS Server Admin. Server Admin (both AppleShare IP and Mac OS X Server), Server settings
    Apple
Port: 3653/TCP
3653/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • tsp
    Tunnel Setup Protocol
    IANA
Port: 3653/UDP
3653/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • tsp
    Tunnel Setup Protocol
    IANA
Port: 5000/TCP
5000/TCP - Known port assignments (19 records found)
  • Service
    Details
    Source
  • commplex-main
    -
    IANA
  •  
    commplex-main (Unofficial)
    WIKI
  •  
    UPnP - Windows network device interoperability (Unofficial)
    WIKI
  •  
    VTun - VPN Software (Official)
    WIKI
  • threat
    [threat] Back Door Setup
    Bekkoame
  • threat
    [threat] Blazer5
    Bekkoame
  • threat
    [threat] Bubbel
    Bekkoame
  • threat
    [threat] ICKiller
    Bekkoame
  • threat
    [threat] Ra1d
    Bekkoame
  • threat
    [threat] Sockets des Troie port 5001 Back Door Setup
    Bekkoame
  • threat
    [threat] Trojan.Webus
    Bekkoame
  • threat
    [threat] W32.Bobax
    Bekkoame
  • threat
    [threat] W32.Mytob
    Bekkoame
  • threat
    [threat] Sockets de Troie (A French Trojan Horse and virus)
    Bekkoame
  • backdoorsetup
    [trojan] Back Door Setup
    SANS
  • trojan
    [trojan] Back Door Setup. Remote Access / ICQ trojan. Works on Windows, together with ICQ. Aliases: ICQ Hijack trojan
    Simovits
  • trojan
    [trojan] Bubbel. Remote Access / Keylogger / Downloading trojan. Works on Windows 95, 98, ME, NT and 2000. Uses Telnet as the client.
    Simovits
  • trojan
    [trojan] Ra1d. Anti-protection trojan / Remote Access / Hacking tool. Works on Windows. Aliases: Raid
    Simovits
  • 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
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About TCP/UDP ports

TCP port 257 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 257 in the same order in which they were sent. Guaranteed communication over TCP port 257 is the main difference between TCP and UDP. UDP port 257 would not have guaranteed communication as TCP.
UDP on port 257 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 257 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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