TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "un"

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Port: 181/UDP
181/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • unify
    Unify
    IANA
  • unify
    -
    SANS
Port: 182/TCP
182/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • audit
    Unisys Audit SITP
    IANA
Port: 182/UDP
182/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • audit
    Unisys Audit SITP
    IANA
Port: 199/TCP
199/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • smux
    SMUX
    IANA
  •  
    SMUX, SNMP Unix Multiplexer (Official)
    WIKI
Port: 199/UDP
199/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • smux
    SMUX
    IANA
  •  
    SMUX, SNMP Unix Multiplexer (Official)
    WIKI
  • smux
    -
    SANS
Port: 203/TCP
203/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • at-3
    AppleTalk Unused
    IANA
Port: 203/UDP
203/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • at-3
    AppleTalk Unused
    IANA
Port: 205/TCP
205/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • at-5
    AppleTalk Unused
    IANA
Port: 205/UDP
205/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • at-5
    AppleTalk Unused
    IANA
Port: 207/TCP
207/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • at-7
    AppleTalk Unused
    IANA
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About TCP/UDP ports

TCP port 181 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 181 in the same order in which they were sent. Guaranteed communication over TCP port 181 is the main difference between TCP and UDP. UDP port 181 would not have guaranteed communication as TCP.
UDP on port 181 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 181 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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