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 "os"

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Port: 8899/UDP
8899/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • ospf-lite
    ospf-lite
    IANA
  •  
    EMC2 (Legato) Networker or Sun Solcitice Backup (Official)
    WIKI
  •  
    QuickTime Streaming Server
    Apple
Port: 9990/TCP
9990/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • osm-appsrvr
    OSM Applet Server
    IANA
  • realsecure
    RealSecure ISS system scanner
    SANS
Port: 9990/UDP
9990/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • osm-appsrvr
    OSM Applet Server
    IANA
  •  
    QuickTime Streaming Server
    Apple
Port: 9991/TCP
9991/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • osm-oev
    OSM Event Server
    IANA
  • realsecure
    RealSecure ISS system scanner
    SANS
Port: 9991/UDP
9991/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • osm-oev
    OSM Event Server
    IANA
  •  
    QuickTime Streaming Server
    Apple
Port: 16080/TCP
16080/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  •  
    Mac OS X Server Web (HTTP) service with performance cache (Unofficial)
    WIKI
  •  
    Unassigned
    IANA
  •  
    Web service with performance cache
    Apple
Port: 18136/TCP
18136/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • racf
    z/OS Resource Access Control Facility
    IANA
Port: 34343/TCP
34343/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  • trojan
    [trojan] Osiris. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: Backdoor.Osiris, Osirdoor, BackDoor.ABT, Backdoor.Osirdoor.b, Backdoor.VB.am for server(gentil)
    Simovits
Port: 45454/TCP
45454/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  • trojan
    [trojan] Osiris. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: Backdoor.Osiris, Osirdoor, BackDoor.ABT, Backdoor.Osirdoor.b, Backdoor.VB.am for server(gentil)
    Simovits
Port: 56565/TCP
56565/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  •  
    Dynamic and/or Private Ports
    IANA
  •  
    Xsan. Xsan Filesystem Access
    Apple
  • trojan
    [trojan] Osiris. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: Backdoor.Osiris, Osirdoor, BackDoor.ABT, Backdoor.Osirdoor.b, Backdoor.VB.am for server(gentil)
    Simovits
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About TCP/UDP ports

TCP port 8899 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 8899 in the same order in which they were sent. Guaranteed communication over TCP port 8899 is the main difference between TCP and UDP. UDP port 8899 would not have guaranteed communication as TCP.
UDP on port 8899 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 8899 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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