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 "pc"

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Port: 22/UDP
22/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • ssh
    The Secure Shell (SSH) Protocol
    IANA
  • threat
    [threat] pcAnywhere(Used in older versions, though newer version still use it for backwards compatibility.)
    Bekkoame
Port: 125/TCP
125/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • locus-map
    Locus PC-Interface Net Map Ser
    IANA
Port: 125/UDP
125/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • locus-map
    Locus PC-Interface Net Map Ser
    IANA
Port: 127/TCP
127/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • locus-con
    Locus PC-Interface Conn Server
    IANA
Port: 127/UDP
127/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • locus-con
    Locus PC-Interface Conn Server
    IANA
Port: 158/TCP
158/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • pcmail-srv
    PCMail Server
    IANA
  •  
    DMSP, Distributed Mail Service Protocol (Unofficial)
    WIKI
Port: 158/UDP
158/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • pcmail-srv
    PCMail Server
    IANA
  •  
    DMSP, Distributed Mail Service Protocol (Unofficial)
    WIKI
Port: 640/UDP
640/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • entrust-sps
    entrust-sps
    IANA
  • pcnfs
    PC-NFS DOS Authentication
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 1267/TCP
1267/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • epc
    eTrust Policy Compliance
    IANA
  • pcmlinux
    pcmlinux
    SANS
Port: 1267/UDP
1267/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • epc
    eTrust Policy Compliance
    IANA
  • pcmlinux
    pcmlinux
    SANS
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About TCP/UDP ports

TCP port 22 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 22 in the same order in which they were sent. Guaranteed communication over TCP port 22 is the main difference between TCP and UDP. UDP port 22 would not have guaranteed communication as TCP.
UDP on port 22 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 22 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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