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 "connect"

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Port: 2500/TCP
2500/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • rtsserv
    Resource Tracking system server
    IANA
  •  
    THE?SMESSENGER listening for The?sMessenger client connections (Official)
    WIKI
Port: 2501/TCP
2501/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • rtsclient
    Resource Tracking system client
    IANA
  •  
    TheosNet-Admin listening for The?sMessenger client connections (Official)
    WIKI
Port: 2607/TCP
2607/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • connection
    Dell Connection
    IANA
Port: 2607/UDP
2607/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • connection
    Dell Connection
    IANA
Port: 3006/TCP
3006/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • ii-admin
    Instant Internet Admin
    IANA
  •  
    Miralix SMS Client Connector (Unofficial)
    WIKI
  • deslogind
    -
    SANS
  • trojan
    [trojan] Clandestine. Works on Windows. Aliases: TrojanDropper.Win32.Small.f, Backdoor.RSC
    Simovits
Port: 3128/TCP
3128/TCP - Known port assignments (11 records found)
  • Service
    Details
    Source
  •  
    Web caches and the default for the Squid (software) (Unofficial)
    WIKI
  • squid-http
    Proxy Server
    SANS
  •  
    Tatsoft default client connection (Official)
    WIKI
  • ndl-aas
    Active API Server Port
    IANA
  • threat
    [threat] Squid
    Bekkoame
  • threat
    [threat] Novarg(Mydoom)
    Bekkoame
  • trojan
    [trojan] Reverse WWW Tunnel Backdoor. Remote Access / Tunneling software. Works on UNIX (Linux, Solaris, AIX and OpenBSD).
    Simovits
  • trojan
    [trojan] RingZero. Works on Windows 95 and 98. It does not work under Windows NT. Aliases: Ring0, Trojan.PSW.Ring, RingZero.gen, Ring
    Simovits
  • threat
    [threat] Mydoom
    Bekkoame
  • threat
    [threat] Reverse WWW Tunnel Backdoor
    Bekkoame
  • threat
    [threat] RingZero
    Bekkoame
Port: 3255/TCP
3255/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • semaphore
    Semaphore Connection Port
    IANA
Port: 3255/UDP
3255/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • semaphore
    Semaphore Connection Port
    IANA
Port: 3441/TCP
3441/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • connect-client
    OC Connect Client
    IANA
Port: 3441/UDP
3441/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • connect-client
    OC Connect Client
    IANA
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About TCP/UDP ports

TCP port 2500 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 2500 in the same order in which they were sent. Guaranteed communication over TCP port 2500 is the main difference between TCP and UDP. UDP port 2500 would not have guaranteed communication as TCP.
UDP on port 2500 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 2500 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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