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 "snap"

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Port: 221/TCP
221/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • fln-spx
    Berkeley rlogind with SPX auth
    IANA
  • trojan
    [trojan] Snape. Works on Windows. Aliases: Backdoor.Snape
    Simovits
Port: 222/TCP
222/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • rsh-spx
    Berkeley rshd with SPX auth
    IANA
  • trojan
    [trojan] NeuroticKat. Anti-protection trojan / Remote Access / Keylogger. Works on Windows 98 and ME. Aliases: Backdoor.Neurotic
    Simovits
  • trojan
    [trojan] Snape. Works on Windows. Aliases: Backdoor.Snape
    Simovits
Port: 991/TCP
991/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • nas
    Netnews Administration System
    IANA
  •  
    NAS (Netnews Administration System) (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • trojan
    [trojan] Snape. Works on Windows. Aliases: Backdoor.Snape
    Simovits
Port: 992/TCP
992/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • telnets
    telnet protocol over TLS/SSL
    IANA
  •  
    TELNET protocol over TLS/SSL (Official)
    WIKI
  • telnets
    telnet protocol over TLS SSL
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • trojan
    [trojan] Snape. Works on Windows. Aliases: Backdoor.Snape
    Simovits
Port: 2333/UDP
2333/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • snapp
    SNAPP
    IANA
Port: 2333/TCP
2333/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • snapp
    SNAPP
    IANA
  • threat
    [threat] Contact
    Bekkoame
  • irccontact
    [trojan] IRC Contact
    SANS
  • trojan
    [trojan] IRC Contact. Remote Access / IRC trojan. Works on Windows 95, 98 and ME, together with mIRC and Pirch. Aliases: IRC Contact Configuration Tool, IrcContact, Backdoor.IRC.Contact
    Simovits
Port: 2599/UDP
2599/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • snapd
    Snap Discovery
    IANA
  • meridiandata
    Meridian Data
    SANS
Port: 2599/TCP
2599/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • snapd
    Snap Discovery
    IANA
  •  
    SonicWALL anti-spam traffic between Remote Analyzer (RA) and Control Center (CC) (Unofficial)
    WIKI
  • meridiandata
    Meridian Data
    SANS
Port: 3484/TCP
3484/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • gbs-stp
    GBS SnapTalk Protocol
    IANA
Port: 3484/UDP
3484/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • gbs-stp
    GBS SnapTalk Protocol
    IANA
  • nat-stun-port - ipether232port
    FaceTime, Game Center
    Apple
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About TCP/UDP ports

TCP port 221 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 221 in the same order in which they were sent. Guaranteed communication over TCP port 221 is the main difference between TCP and UDP. UDP port 221 would not have guaranteed communication as TCP.
UDP on port 221 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 221 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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