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 "rap"

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Port: 38/UDP
38/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • rap
    Route Access Protocol
    IANA
Port: 38/TCP
38/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • rap
    Route Access Protocol
    IANA
Port: 56/TCP
56/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • xns-auth
    XNS Authentication
    IANA
  •  
    Route Access Protocol (RAP) (Unofficial)
    WIKI
  •  
    XNS (Xerox Network Systems) Authentication (Official)
    WIKI
Port: 56/UDP
56/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • xns-auth
    XNS Authentication
    IANA
  •  
    Route Access Protocol (RAP) (Unofficial)
    WIKI
  •  
    XNS (Xerox Network Systems) Authentication (Official)
    WIKI
Port: 256/UDP
256/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • rap
    RAP
    IANA
  • rap
    -
    SANS
Port: 256/TCP
256/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • rap
    RAP
    IANA
  • fw1-sync
    Checkpoint Firewall-1 state table sync
    SANS
  • rap
    -
    SANS
  • threat
    [threat] FW1 Certificate/key distribution. VPN clients (SecuRemote) can download keys on this port.
    Bekkoame
  • threat
    [threat] SpBot
    Bekkoame
Port: 1530/TCP
1530/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • rap-service
    rap-service
    IANA
  • rap-service
    -
    SANS
Port: 1530/UDP
1530/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • rap-service
    rap-service
    IANA
  • rap-service
    -
    SANS
Port: 1531/UDP
1531/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • rap-listen
    rap-listen
    IANA
  • rap-listen
    -
    SANS
Port: 1531/TCP
1531/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • rap-listen
    rap-listen
    IANA
  • rap-listen
    -
    SANS
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About TCP/UDP ports

TCP port 38 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 38 in the same order in which they were sent. Guaranteed communication over TCP port 38 is the main difference between TCP and UDP. UDP port 38 would not have guaranteed communication as TCP.
UDP on port 38 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 38 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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