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Port 514 Details

known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
514 tcp shell Used by rsh and (also rcp), interactive shell without any logging.

Splunk (big data analysis software) uses the following ports by default:
514 - network input port
8000 - web port (clients accessing the Splunk search page)
8080 - index replication port
8089 - management port (splunkd, aslo used by deployment server)
9997 - indexing port (web interface)
9998 - SSL port

Games that use this port: America's Army

Malware using this port: RPC Backdoor, Whacky, ADM worm

Stack-based buffer overflow in Mike Dubman Windows RSH daemon (rshd) 1.7 allows remote attackers to execute arbitrary code via a long string to the shell port (514/tcp). NOTE: this might overlap [CVE-2007-4006].
References: [CVE-2007-4005] [BID-25044] [SECUNIA-26197]

Denicomp RSHD 2.18 and earlier allows a remote attacker to cause a denial of service (crash) via a long string to port 514.
References: [CVE-2001-0707]
514 udp applications Ooma VoIP - uses UDP port 1194 (VPN tunnel to the Ooma servers for call/setup control), ports 49000-50000 for actual VoIP data, and ports TCP 443, UDP 514, UDP 3480

Multiple buffer overflows in the Syslog server in ManageEngine EventLog Analyzer 6.1 allow remote attackers to cause a denial of service (SysEvttCol.exe process crash) or possibly execute arbitrary code via a long Syslog PRI message header to UDP port 513 or 514.
Reference: [CVE-2010-4840]

Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before allows remote attackers to execute arbitrary code via a long PRIO field in a message to UDP port 514.
References: [CVE-2011-5227] [SECUNIA-47263]
514 tcp Shell - used to execute non-interactive commands on a remote system (official) Wikipedia
514 udp Syslog - used for system logging (official) Wikipedia
514 tcp trojan ADM worm Trojans
514 tcp shell cmd like exec, but automatic authentication is performed as for login server IANA
514 udp syslog IANA
514 tcp RPCBackdoor [trojan] RPC Backdoor SANS
514 tcp shell BSD rshd(8) SANS
514 tcp shell BSD rshd(8) Nmap
514 udp syslog BSD syslogd(8) Nmap
514 udp syslog syslog Neophasis
12 records found
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Related ports: 2  4  200  1716  1717  1718  8000  88080  8089  8777  9997  9998  27900  443  1194  3480  

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External Resources
SANS Internet Storm Center: port 514

Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.

TCP ports use the Transmission Control Protocol. TCP is the most commonly used protocol on the Internet and any TCP/IP network. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent. Guaranteed communication/delivery is the key difference between TCP and UDP.

UDP ports use the Datagram Protocol, a communications protocol for the Internet network, transport, and session layers. Like TCP (Transmission Control Protocol), UDP is used with IP (the Internet Protocol) and makes possible the transmission of datagrams from one computer to applications on another computer, but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received the message to process any errors and verify correct delivery. UDP is often used with time-sensitive applications, such as audio/video streaming, where dropping some packets is preferable to waiting for delayed data.

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