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Port 8291 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 8291 |
tcp |
mikrotik |
MikroTik RouterOS uses the following ports:
5678/udp - Mikrotik Neighbor Discovery Protocol
6343/tcp - Default OpenFlow port
8080/tcp - HTTP Web Proxy
8291/tcp - Winbox GUI
8728/tcp - API
8729/tcp - API-SSL
20561/udp - MAC Winbox GUI
RouterOS versions 6.45.6 Stable, 6.44.5 Long-term, and below allow remote unauthenticated attackers to trigger DNS queries via port 8291. The queries are sent from the router to a server of the attacker's choice. The DNS responses are cached by the router, potentially resulting in cache poisoning.
References: [CVE-2019-3978], [XFDB-170447] |
SG
|
| 8291 |
tcp |
|
Winbox - Default on a MikroTik RouterOS for a Windows application used to administer MikroTik RouterOS (unofficial) |
Wikipedia
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| 8283-8291 |
tcp,udp |
|
Unassigned |
IANA
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| 8150-8350 |
tcp,udp |
applications |
Y-cam Wireless IP Camera |
Portforward
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4 records found
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jump to:
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Related ports: 8728 8729 20561
« back to SG Ports
External Resources
SANS Internet Storm Center: port 8291
Notes:
Port numbers in computer networking represent communication endpoints. Ports are unsigned 16-bit integers (0-65535) that identify
a specific process, or network service. IANA is responsible for internet protocol resources, including the registration of commonly
used port numbers for well-known internet services.
Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.
TCP ports use the Transmission Control Protocol, the most commonly used protocol
on the Internet and any TCP/IP network. 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. Like TCP, UDP is used in combination with IP (the Internet Protocol)
and facilitates 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 and realtime gaming, where dropping some packets is preferable to waiting for delayed data.
When troubleshooting unknown open ports, it is useful to find exactly what services/processes are listening to them.
This can be accomplished in both Windows command prompt and Linux variants using the "netstat -aon" command.
We also recommend runnig multiple anti-virus/anti-malware scans to rule out the possibility of active malicious software.
For more detailed and personalized help please use our forums.
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