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 "li"

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Port: 389/TCP
389/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • ldap
    Lightweight Directory Access Protocol
    IANA
  •  
    Lightweight Directory Access Protocol (LDAP) (Official)
    WIKI
  • ldap
    Lightweight Directory Access Protocol (LDAP). Used by applications that look up addresses, such as Mail and Address Book.
    Apple
Port: 389/UDP
389/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • ldap
    Lightweight Directory Access Protocol
    IANA
  •  
    Lightweight Directory Access Protocol (LDAP) (Official)
    WIKI
Port: 443/TCP
443/TCP - Known port assignments (9 records found)
  • Service
    Details
    Source
  •  
    HTTPS (Hypertext Transfer Protocol over SSL/TLS) (Official)
    WIKI
  • https
    HTTP protocol over TLS SSL
    SANS
  • https
    Secure Sockets Layer (SSL, or "HTTPS"). TLS websites, iTunes Store, FaceTime, Game Center, MobileMe (authentication, iDisk, iDisk Sync, and MobileMe Sync), AirPlay, OS X Lion Internet Restore, Profile Manager.
    Apple
  • https
    http protocol over TLS/SSL
    IANA
  • threat
    [threat] W32.Kiman
    Bekkoame
  • trojan
    [trojan] Slapper. Backdoor / Worm / IRC trojan / Proxy / Distributed DoS tool. Works on Unix (Linux - SuSe, Mandrake, RedHat, Slackware, Debian, Gentoo), together with Apache Web server. Aliases: Linux.Slapper.Worm, Apache/mod_ssl Worm, PUD, ELF/Slapper
    Simovits
  • threat
    [threat] Civcat
    Bekkoame
  • threat
    [threat] Tabdim
    Bekkoame
  • threat
    [threat] W32.Kelvir
    Bekkoame
Port: 445/TCP
445/TCP - Known port assignments (38 records found)
  • Service
    Details
    Source
  •  
    Microsoft-DS Active Directory, Windows shares (Official)
    WIKI
  •  
    Microsoft-DS SMB file sharing (Official)
    WIKI
  • microsoft-ds
    Win2k+ Server Message Block
    SANS
  • microsoft-ds
    Microsoft SMB Domain Server.
    Apple
  • microsoft-ds
    Microsoft-DS
    IANA
  • threat
    [threat] W32.Aizu
    Bekkoame
  • threat
    [threat] W32.Bobax
    Bekkoame
  • threat
    [threat] W32.Bolgi.Worm
    Bekkoame
  • threat
    [threat] W32.Cissi
    Bekkoame
  • threat
    [threat] W32.Cycle
    Bekkoame
  • threat
    [threat] W32.Explet
    Bekkoame
  • threat
    [threat] W32.HLLW.Deborms
    Bekkoame
  • threat
    [threat] W32.HLLW.Deloder
    Bekkoame
  • threat
    [threat] W32.HLLW.Gaobot
    Bekkoame
  • threat
    [threat] W32.HLLW.Lioten
    Bekkoame
  • threat
    [threat] W32.HLLW.Moega
    Bekkoame
  • threat
    [threat] W32.HLLW.Nebiwo
    Bekkoame
  • threat
    [threat] W32.HLLW.Polybot
    Bekkoame
  • threat
    [threat] W32.Ifbo
    Bekkoame
  • threat
    [threat] W32.Janx
    Bekkoame
  • threat
    [threat] W32.Kibuv.Worm
    Bekkoame
  • threat
    [threat] W32.Kiman
    Bekkoame
  • threat
    [threat] W32.Korgo
    Bekkoame
  • threat
    [threat] W32.Mytob
    Bekkoame
  • threat
    [threat] W32.Reatle
    Bekkoame
  • threat
    [threat] W32.Sasser
    Bekkoame
  • threat
    [threat] W32.Scane
    Bekkoame
  • threat
    [threat] W32.Slackor
    Bekkoame
  • threat
    [threat] W32.Spybot
    Bekkoame
  • threat
    [threat] W32.Wallz
    Bekkoame
  • threat
    [threat] W32.Welchia
    Bekkoame
  • threat
    [threat] W32.Yaha, Randex
    Bekkoame
  • threat
    [threat] W32.Zotob
    Bekkoame
  • trojan
    [trojan] Nimda. Virus / Worm / Mail trojan / Network trojan / Hacking tool. Works on Windows 95, 98, ME, NT, 2000 and XP, together with MS Internet Information Server (IIS), MS Internet Explorer 5.5 SP1, MS Outlook , MS Outlook Express and MS Word. Aliases: Concept Virus (CV) v.5, W32.Nimda, Minda, W32.Minda, I-Worm.Nimda, Code Rainbow , PE_Nimda.A, CV-5
    Simovits
  • threat
    [threat] Netdepix
    Bekkoame
  • threat
    [threat] Otinet
    Bekkoame
  • threat
    [threat] Rtkit
    Bekkoame
  • threat
    [threat] Secefa
    Bekkoame
Port: 511/TCP
511/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • passgo
    PassGo
    IANA
  • passgo
    -
    SANS
  • threat
    [threat] Part of rootkit t0rn, a program called "leeto's socket daemon" runs at this port.
    Bekkoame
  • t0rnrootkit
    [trojan] T0rn Rootkit
    SANS
  • trojan
    [trojan] T0rn Rootkit. Rootkit. Works on Unix (Linux). Aliases: Torn Rootkit
    Simovits
Port: 513/TCP
513/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • login
    remote login a la telnet; automatic authentication performed based on priviledged port numbers and distributed data bases which identify "authentication domains"
    IANA
  •  
    rlogin (Official)
    WIKI
  • login
    BSD rlogind(8)
    SANS
  • threat
    [threat] Grlogin
    Bekkoame
  • grlogin
    [trojan] Grlogin
    SANS
  • trojan
    [trojan] ADM worm. Worm / Rootkit / Backdoor. Works on Unix (Linux). Affects Linux RedHat 4.0 to 5.2. Aliases: ADM Inet w0rm, Linux.ADM.Worm
    Simovits
Port: 514/TCP
514/TCP - Known port assignments (7 records found)
  • Service
    Details
    Source
  • shell
    BSD rshd(8)
    SANS
  • shell
    shell.
    Apple
  •  
    Shell - used to execute non-interactive commands on a remote system (Remote Shell, rsh, remsh) (Official)
    WIKI
  • shell
    cmd like exec, but automatic authentication is performed as for login server
    IANA
  • rpcbackdoor
    [trojan] RPC Backdoor
    SANS
  • threat
    [threat] RPC Backdoor
    Bekkoame
  • trojan
    [trojan] ADM worm. Worm / Rootkit / Backdoor. Works on Unix (Linux). Affects Linux RedHat 4.0 to 5.2. Aliases: ADM Inet w0rm, Linux.ADM.Worm
    Simovits
Port: 515/TCP
515/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • printer
    spooler
    IANA
  •  
    Line Printer Daemon - print service (Official)
    WIKI
  • printer
    Line Printer (LPR), Line Printer Daemon (LPD). Used for printing to a network printer, Printer Sharing in Mac OS X.
    Apple
  • trojan
    [trojan] MscanWorm.
    Simovits
  • trojan
    [trojan] Ramen. Worm / HTML trojan / HTTP server / Hacking tool / Destructive trojan. Works on Unix (Linux). Linux Red Hat 6.x and early versions of 7.0. May also work on other Unix dialects such as FreeBSD and Linux SuSE, Mandrake and Cladera. The mail addresses used are [email protected] and [email protected]. Aliases: Linux.Ramen, Worm.Ramen, Elf.Ramen
    Simovits
Port: 517/TCP
517/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • talk
    like tenex link, but across machine - unfortunately, doesn't use link protocol (this is actually just a rendezvous port from which a tcp connection is established)
    Bekkoame
  • talk
    like tenex link but across
    SANS
Port: 517/UDP
517/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  •  
    Talk (Official)
    WIKI
  • talk
    like tenex link, but across machine - unfortunately, doesn't use link protocol (this is actually just a rendezvous port from which a tcp connection is established)
    Bekkoame
  • talk
    like tenex link but across
    SANS
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About TCP/UDP ports

TCP port 389 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 389 in the same order in which they were sent. Guaranteed communication over TCP port 389 is the main difference between TCP and UDP. UDP port 389 would not have guaranteed communication as TCP.
UDP on port 389 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 389 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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