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 "se"

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Port: 81/TCP
81/TCP - Known port assignments (7 records found)
  • Service
    Details
    Source
  •  
    Torpark - Onion routing (Unofficial)
    WIKI
  •  
    Unassigned
    IANA
  • threat
    [threat] RemoConChubo
    Bekkoame
  • threat
    [threat] W32.Beagle
    Bekkoame
  • threat
    [threat] Xeory
    Bekkoame
  • remoconchubo
    [trojan] RemoConChubo
    SANS
  • trojan
    [trojan] Asylum. Remote Access / Downloading trojan / ICQ trojan / FTP server. Works on Windows 95, 98 and NT. Aliases: Backdoor.Asylum, Asy
    Simovits
Port: 90/TCP
90/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • dnsix
    DNSIX Securit Attribute Token Map
    IANA
  •  
    dnsix (DoD Network Security for Information Exchange) Securit Attribute Token Map (Official)
    WIKI
  •  
    Pointcast (Unofficial)
    WIKI
Port: 90/UDP
90/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • dnsix
    DNSIX Securit Attribute Token Map
    IANA
  •  
    dnsix (DoD Network Security for Information Exchange) Securit Attribute Token Map (Official)
    WIKI
  •  
    Pointcast (Unofficial)
    WIKI
Port: 101/TCP
101/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • hostname
    NIC Host Name Server
    IANA
  •  
    NIC host name (Official)
    WIKI
  • threat
    [threat] Udps
    Bekkoame
  • trojan
    [trojan] Skun. Remote Access / Destructive trojan. Works on Windows. Aliases: Backdoor.Skun
    Simovits
Port: 101/UDP
101/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • hostname
    NIC Host Name Server
    IANA
  • threat
    [threat] Udps
    Bekkoame
Port: 102/TCP
102/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • iso-tsap
    ISO-TSAP Class 0
    IANA
  •  
    ISO-TSAP (Transport Service Access Point) Class 0 protocol (Official)
    WIKI
  • trojan
    [trojan] Delf. Anti-protection trojan / Remote Access / Keylogger / Steals passwords / Remote peeker / Destructive trojan. Works on Windows NT, 2000 and XP. Aliases: Troj_Delf.D, Backdoor.Delf, Backdoor.ADB
    Simovits
  • trojan
    [trojan] Skun. Remote Access / Destructive trojan. Works on Windows. Aliases: Backdoor.Skun
    Simovits
Port: 105/TCP
105/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • csnet-ns
    Mailbox Name Nameserver
    IANA
  •  
    CCSO Nameserver Protocol (Qi/Ph) (Official)
    WIKI
  • cso
    CCSO name server protocol
    Bekkoame
  • trojan
    [trojan] NerTe. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98, ME, NT and 2000. Aliases: Backdoor.NerTe, Backdoor.SG
    Simovits
Port: 105/UDP
105/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • csnet-ns
    Mailbox Name Nameserver
    IANA
  •  
    CCSO Nameserver Protocol (Qi/Ph) (Official)
    WIKI
  • cso
    CCSO name server protocol
    Bekkoame
Port: 106/TCP
106/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • 3com-tsmux
    3COM-TSMUX
    IANA
  • pop3pw
    Eudora compatible PW changer
    SANS
  • 3com-tsmux
    Password Server. Mac OS X Server Password Server
    Apple
  • 3com-tsmux
    (Unregistered Use).
    Apple
  • poppassd(epass)
    [threat] allows passwords to be changed on POP servers. Traditionally, users would have to have shell (Telnet) accounts on the servers in order to change their passwords. This allows users with just POP access to change their passwords.
    Bekkoame
Port: 107/TCP
107/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • rtelnet
    Remote Telnet
    SANS
  • rtelnet
    Remote Telnet Service
    IANA
  •  
    Remote TELNET Service protocol (Official)
    WIKI
  • trojan
    [trojan] Skun. Remote Access / Destructive trojan. Works on Windows. Aliases: Backdoor.Skun
    Simovits
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About TCP/UDP ports

TCP port 81 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 81 in the same order in which they were sent. Guaranteed communication over TCP port 81 is the main difference between TCP and UDP. UDP port 81 would not have guaranteed communication as TCP.
UDP on port 81 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 81 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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