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 "access"

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Port: 200/TCP
200/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • src
    IBM System Resource Controller
    IANA
  • trojan
    [trojan] CyberSpy. Anti-protection trojan / Remote Access / Keylogger / Steals passwords. Works on Windows. Telnet and poTTY can be used as client. Aliases: CS, Backdoor.CyberSpy
    Simovits
Port: 201/TCP
201/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • at-rtmp
    AppleTalk Routing Maintenance
    IANA
  •  
    AppleTalk Routing Maintenance (Official)
    WIKI
  • trojan
    [trojan] One Windows Trojan. Remote Access. Works on Windows.
    Simovits
Port: 202/TCP
202/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • at-nbp
    AppleTalk Name Binding
    IANA
  • trojan
    [trojan] One Windows Trojan. Remote Access. Works on Windows.
    Simovits
  • trojan
    [trojan] Skun. Remote Access / Destructive trojan. Works on Windows. Aliases: Backdoor.Skun
    Simovits
Port: 211/TCP
211/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • 914c/g
    Texas Instruments 914C/G Terminal
    IANA
  • 914c
    g tcp Texas Instruments 914C G Terminal
    SANS
  • trojan
    [trojan] One Windows Trojan. Remote Access. Works on Windows.
    Simovits
Port: 212/TCP
212/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • anet
    ATEXSSTR
    IANA
  • trojan
    [trojan] One Windows Trojan. Remote Access. Works on Windows.
    Simovits
Port: 216/TCP
216/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • CAIlic
    Computer Associates Int'l License Server
    Bekkoame
  • atls
    Access Technology License Server
    SANS
  • cailic
    Computer Associates Int'l License Server
    SANS
Port: 216/UDP
216/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • CAIlic
    Computer Associates Int'l License Server
    Bekkoame
  • atls
    Access Technology License Server
    SANS
  • cailic
    Computer Associates Int'l License Server
    SANS
Port: 220/TCP
220/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • imap3
    Interactive Mail Access Protocol v3
    IANA
  •  
    Internet Message Access Protocol (IMAP), version 3 (Official)
    WIKI
Port: 220/UDP
220/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • imap3
    Interactive Mail Access Protocol v3
    IANA
  •  
    Internet Message Access Protocol (IMAP), version 3 (Official)
    WIKI
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
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About TCP/UDP ports

TCP port 200 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 200 in the same order in which they were sent. Guaranteed communication over TCP port 200 is the main difference between TCP and UDP. UDP port 200 would not have guaranteed communication as TCP.
UDP on port 200 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 200 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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