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 "service"

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Port: 133/UDP
133/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • statsrv
    Statistics Service
    IANA
Port: 134/TCP
134/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • ingres-net
    INGRES-NET Service
    IANA
Port: 134/UDP
134/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • ingres-net
    INGRES-NET Service
    IANA
Port: 135/TCP
135/TCP - Known port assignments (22 records found)
  • Service
    Details
    Source
  •  
    DCE endpoint resolution (Official)
    WIKI
  • epmap
    DCE endpoint resolution
    IANA
  •  
    Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service, used to remotely manage services including DHCP server, DNS server and WINS. Also used by DCOM (Unofficial)
    WIKI
  • loc-srv
    NCS local location broker
    SANS
  • threat
    [threat] Secefa
    Bekkoame
  • threat
    [threat] W32.Kiman
    Bekkoame
  • threat
    [threat] Femot
    Bekkoame
  • threat
    [threat] W32.Blaster.Worm
    Bekkoame
  • threat
    [threat] W32.Francette.Worm
    Bekkoame
  • threat
    [threat] W32.Explet
    Bekkoame
  • threat
    [threat] W32.Kibuv.Worm
    Bekkoame
  • threat
    [threat] W32.Lovgate
    Bekkoame
  • threat
    [threat] W32.Maslan
    Bekkoame
  • threat
    [threat] W32.Mytob
    Bekkoame
  • threat
    [threat] W32.Reatle
    Bekkoame
  • threat
    [threat] W32.Spybot
    Bekkoame
  • threat
    [threat] W32.Welchia
    Bekkoame
  • threat
    [threat] W32.Yaha
    Bekkoame
  • threat
    [threat] W32.Cissi
    Bekkoame
  • threat
    [threat] W32.HLLW.Gaobot
    Bekkoame
  • threat
    [threat] W32.HLLW.Polybot
    Bekkoame
  • threat
    [threat] W32.Kassbot
    Bekkoame
Port: 135/UDP
135/UDP - Known port assignments (20 records found)
  • Service
    Details
    Source
  • epmap
    DCE endpoint resolution
    IANA
  •  
    Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service, used to remotely manage services including DHCP server, DNS server and WINS. Also used by DCOM (Unofficial)
    WIKI
  •  
    DCE endpoint resolution (Official)
    WIKI
  • loc-srv
    Location Service
    SANS
  • threat
    [threat] W32.Blaster.Worm
    Bekkoame
  • threat
    [threat] W32.Cissi
    Bekkoame
  • threat
    [threat] W32.Explet
    Bekkoame
  • threat
    [threat] W32.Francette.Worm
    Bekkoame
  • threat
    [threat] W32.HLLW.Gaobot
    Bekkoame
  • threat
    [threat] W32.HLLW.Polybot
    Bekkoame
  • threat
    [threat] W32.Kassbot
    Bekkoame
  • threat
    [threat] W32.Kibuv.Worm
    Bekkoame
  • threat
    [threat] W32.Lovgate
    Bekkoame
  • threat
    [threat] W32.Maslan
    Bekkoame
  • threat
    [threat] W32.Mytob
    Bekkoame
  • threat
    [threat] W32.Reatle
    Bekkoame
  • threat
    [threat] W32.Spybot
    Bekkoame
  • threat
    [threat] W32.Welchia
    Bekkoame
  • threat
    [threat] W32.Yaha
    Bekkoame
  • threat
    [threat] Femot
    Bekkoame
Port: 137/TCP
137/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • netbios-ns
    NETBIOS Name Service
    IANA
  •  
    NetBIOS NetBIOS Name Service (Official)
    WIKI
  • threat
    [threat] Chode
    Bekkoame
  • trojan
    [trojan] Chode. Worm / Network trojan / Autodialing trojan / Destructive trojan. Works on Windows 3.x, 95 and 98 (maybe also on NT). Aliases: BAT/911-A, BAT/911-B, BAT.Chode.Worm, W95/Firkin.worm, Foreskin, BAT911, 911, DickHair, Bat/Firkin.A, Bat/Firkin.B, Firkin, Chode 911
    Simovits
  • 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
Port: 137/UDP
137/UDP - Known port assignments (9 records found)
  • Service
    Details
    Source
  • netbios-ns
    NETBIOS Name Service
    IANA
  •  
    NetBIOS NetBIOS Name Service (Official)
    WIKI
  • netbios-ns
    Windows Internet Naming Service (WINS).
    Apple
  • threat
    [threat] Msinit
    Bekkoame
  • trojan
    [trojan] Qaz. Remote Access / Downloading trojan / Worm / Network trojan. Works on Windows 95, 98, ME, NT and 2000. Aliases: Worm.Qaz, W32.HLLW.Qaz, Notepad, W32/QAZ.worm, Note.com, Qazwsx, W95/Qaz
    Simovits
  • trojan
    [trojan] Bugbear. Anti-protection trojan / Remote Access / Keylogger / Worm / Mail trojan / Network trojan / HTTP server. Works on Windows 95, 98, ME, NT, 2000 and XP, together with MS Internet Explorer and MS Outlook. Aliases: W32.Bugbear@mm, Tanatos, Natosta, Keywo, I-Worm/Keywo
    Simovits
  • trojan
    [trojan] Msinit. Worm / Destructive trojan / Network trojan. Works on Windows 95, 98 and ME. Aliases: Troj_Msinet.A, MSINIT.A, W32/Msinit, Win32.Trojan.Bymer, W32.HLLW.Bymer, Dnet.Dropper, Trojan.Win32.Bymer, W32/Bymer-A, Worm_Bymer_a, Wininit, Worm.RC5, Worm/Dnet_Winit
    Simovits
  • trojan
    [trojan] Opaserv. Worm / Network trojan. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: Scrup, W32.Opaserv.Worm, Opasoft, Backdoor.Opasoft, Backdoor.ALB
    Simovits
  • threat
    [threat] Femot
    Bekkoame
Port: 138/TCP
138/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • netbios-dgm
    NETBIOS Datagram Service
    IANA
  •  
    NetBIOS NetBIOS Datagram Service (Official)
    WIKI
  • threat
    [threat] Chode
    Bekkoame
  • trojan
    [trojan] Chode. Worm / Network trojan / Autodialing trojan / Destructive trojan. Works on Windows 3.x, 95 and 98 (maybe also on NT). Aliases: BAT/911-A, BAT/911-B, BAT.Chode.Worm, W95/Firkin.worm, Foreskin, BAT911, 911, DickHair, Bat/Firkin.A, Bat/Firkin.B, Firkin, Chode 911
    Simovits
  • 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
Port: 138/UDP
138/UDP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • netbios-dgm
    NETBIOS Datagram Service
    IANA
  •  
    NetBIOS NetBIOS Datagram Service (Official)
    WIKI
  • netbios-dgm
    NETBIOS Datagram Service. Windows Datagram Service, Windows Network Neighborhood
    Apple
  • threat
    [threat] W32.Spybot
    Bekkoame
Port: 139/TCP
139/TCP - Known port assignments (23 records found)
  • Service
    Details
    Source
  • netbios-ssn
    Server Message Block (SMB). Used by Microsoft Windows file and print services, such as Windows Sharing in Mac OS X.
    Apple
  •  
    NetBIOS NetBIOS Session Service (Official)
    WIKI
  • netbios-ssn
    NETBIOS Session Service
    IANA
  • threat
    [threat] Netlog
    Bekkoame
  • threat
    [threat] Network
    Bekkoame
  • threat
    [threat] Qaz
    Bekkoame
  • threat
    [threat] W32.Cissi
    Bekkoame
  • threat
    [threat] W32.HLLW.Deborms
    Bekkoame
  • threat
    [threat] W32.HLLW.Moega
    Bekkoame
  • threat
    [threat] W32.Kiman
    Bekkoame
  • threat
    [threat] W32.Licum
    Bekkoame
  • threat
    [threat] W32.Reidana
    Bekkoame
  • threat
    [threat] W32.Spybot
    Bekkoame
  • threat
    [threat] W32.Yaha
    Bekkoame
  • threat
    [threat] Chode
    Bekkoame
  • trojan
    [trojan] Chode. Worm / Network trojan / Autodialing trojan / Destructive trojan. Works on Windows 3.x, 95 and 98 (maybe also on NT). Aliases: BAT/911-A, BAT/911-B, BAT.Chode.Worm, W95/Firkin.worm, Foreskin, BAT911, 911, DickHair, Bat/Firkin.A, Bat/Firkin.B, Firkin, Chode 911
    Simovits
  • trojan
    [trojan] Fire HacKer. Remote Access. Works on Windows. Aliases: Backdoor.FireHacker
    Simovits
  • trojan
    [trojan] Msinit. Worm / Destructive trojan / Network trojan. Works on Windows 95, 98 and ME. Aliases: Troj_Msinet.A, MSINIT.A, W32/Msinit, Win32.Trojan.Bymer, W32.HLLW.Bymer, Dnet.Dropper, Trojan.Win32.Bymer, W32/Bymer-A, Worm_Bymer_a, Wininit, Worm.RC5, Worm/Dnet_Winit
    Simovits
  • 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
  • trojan
    [trojan] Opaserv. Worm / Network trojan. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: Scrup, W32.Opaserv.Worm, Opasoft, Backdoor.Opasoft, Backdoor.ALB
    Simovits
  • trojan
    [trojan] Qaz. Remote Access / Downloading trojan / Worm / Network trojan. Works on Windows 95, 98, ME, NT and 2000. Aliases: Worm.Qaz, W32.HLLW.Qaz, Notepad, W32/QAZ.worm, Note.com, Qazwsx, W95/Qaz
    Simovits
  • threat
    [threat] God Message worm
    Bekkoame
  • threat
    [threat] Msinit
    Bekkoame
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About TCP/UDP ports

TCP port 133 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 133 in the same order in which they were sent. Guaranteed communication over TCP port 133 is the main difference between TCP and UDP. UDP port 133 would not have guaranteed communication as TCP.
UDP on port 133 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 133 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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