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 "daemon"

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Port: 4/TCP
4/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  • threat
    [threat] Midnight Commander Sometimes this program is assigned to this prot
    Bekkoame
  • threat
    [threat] Self-Certifying File System(SFS) sfssd acceps connections on TCP port 4 and passes them to the appropriate SFS daemon. SFS is a secure, global file system with completely decentralized control. SFS uses NFS 3 as the underlying protocol for file access.
    Bekkoame
Port: 48/TCP
48/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • auditd
    Digital Audit Daemon
    IANA
  • threat
    [threat] DRAT
    Bekkoame
  • drat
    [trojan] DRAT
    SANS
Port: 48/UDP
48/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • auditd
    Digital Audit Daemon
    IANA
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: 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: 704/TCP
704/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • elcsd
    errlog copy/server daemon
    IANA
  • elcsd
    errlog copy server daemon
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 704/UDP
704/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • elcsd
    errlog copy/server daemon
    IANA
  • elcsd
    errlog copy server daemon
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 783/TCP
783/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  •  
    SpamAssassin spamd daemon (Unofficial)
    WIKI
  •  
    Unassigned
    IANA
  • hp-alarm-mgr
    hp performance data alarm manager
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 800/TCP
800/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • mdbs_daemon
    -
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 800/UDP
800/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • mdbs_daemon
    -
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
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About TCP/UDP ports

TCP port 4 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 4 in the same order in which they were sent. Guaranteed communication over TCP port 4 is the main difference between TCP and UDP. UDP port 4 would not have guaranteed communication as TCP.
UDP on port 4 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 4 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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