TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "workgroup"

Port: 311/TCP
311/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • asip-webadmin
    AppleShare IP WebAdmin
    IANA
  •  
    Mac OS X Server Admin (officially AppleShare IP Web administration) (Official)
    WIKI
  • asip-webadmin
    Secure server administration. Server Admin, Workgroup Manager, Server Monitor, Xsan Admin
    Apple
Port: 625/TCP
625/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • dec_dlm
    DEC DLM
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • dec_dlm
    Directory Service Proxy (DSProxy) (Unregistered Use). DirectoryService, Open Directory Assistant, Workgroup Manager. Note: This port is registered to DEC DLM.
    Apple
Port: 687/TCP
687/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • asipregistry
    asipregistry
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • asipregistry
    Server administration. Server app, Server Admin, Workgroup Manager, Server Monitor, Xsan Admin
    Apple
Port: 1137/TCP
1137/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • trim
    TRIM Workgroup Service
    IANA
Port: 1137/UDP
1137/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • trim
    TRIM Workgroup Service
    IANA

About TCP/UDP ports

TCP port 311 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 311 in the same order in which they were sent. Guaranteed communication over TCP port 311 is the main difference between TCP and UDP. UDP port 311 would not have guaranteed communication as TCP.
UDP on port 311 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 311 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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