TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "lan"

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Port: 17500/TCP
17500/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • db-lsp
    Dropbox LanSync Protocol
    IANA
  •  
    Dropbox LanSync Protocol (db-lsp); used to synchronize file catalogs between Dropbox clients on your local network. (Unofficial)
    WIKI
  • threat
    [threat] CrazzyNet
    Bekkoame
  • crazzynet
    [trojan] CrazzyNet
    SANS
  • trojan
    [trojan] CrazzyNet. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98, ME, NT, 2000 and XP, together with MS INternet Information Server. According to information on the Internet the coder is only 13 years old!!! Aliases: Crazynet, Backdoor.Crazynet
    Simovits
Port: 17500/UDP
17500/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • db-lsp-disc
    Dropbox LanSync Discovery
    IANA
  •  
    Dropbox LanSync Discovery (db-lsp-disc); used to synchronize file catalogs between Dropbox clients on your local network; is transmitted to broadcast addresses. (Unofficial)
    WIKI
Port: 19771/TCP
19771/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Softros LAN Messenger (Unofficial)
    WIKI
  •  
    Unassigned
    IANA
Port: 19771/UDP
19771/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  •  
    Softros LAN Messenger (Unofficial)
    WIKI
Port: 19880/TCP
19880/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Softros LAN Messenger (Unofficial)
    WIKI
  •  
    Unassigned
    IANA
Port: 20005/TCP
20005/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • openwebnet
    OpenWebNet protocol for electric network
    IANA
  • btx
    xcept4 (Interacts with German Telekom's CEPT videotext service)
    SANS
  • threat
    [threat] Mosucker
    Bekkoame
  • mosucker
    [trojan] Mosucker
    SANS
  • trojan
    [trojan] MoSucker. Anti-protection trojan / Remote Access / Keylogger / Downloading trojan / LAN trojan. Works on Windows 95, 98, ME, NT, 2000 and XP. Telnet can also be used as client. SMS notify for German users only. Aliases: Backdoor.Mosucker, Pkg, Moosucker, Mosuc, Backdoor.EE
    Simovits
Port: 22800/TCP
22800/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • aws-brf
    Telerate Information Platform LAN
    IANA
Port: 22800/UDP
22800/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • aws-brf
    Telerate Information Platform LAN
    IANA
Port: 30718/UDP
30718/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  •  
    Lantronix Discovery for Lantronix serial-to-ethernet devices (Official)
    WIKI
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About TCP/UDP ports

TCP port 17500 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 17500 in the same order in which they were sent. Guaranteed communication over TCP port 17500 is the main difference between TCP and UDP. UDP port 17500 would not have guaranteed communication as TCP.
UDP on port 17500 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 17500 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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