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Port 5500 Details
known port assignments and vulnerabilities
threat/application/port search:
| Port(s) |
Protocol |
Service |
Details |
Source |
| 5500 |
tcp,udp |
fcp-addr-srvr1 |
HotLine peer-to-peer file sharing, Virtual Network Computing (VNC), Tight VNC
Proxy.exe in DualDesk 20 allows Remote Denial Of Service (daemon crash) via a long string to TCP port 5500.
References: [CVE-2018-7583], [EDB-44222]
A vulnerability in the Easy Virtual Switching System (VSS) feature of Cisco IOS XE Software for Cisco Catalyst 4500 Series Switches and Cisco Catalyst 4500-X Series Switches could allow an unauthenticated, remote attacker to execute arbitrary code on the underlying Linux operating system of an affected device. The vulnerability is due to incorrect boundary checks of certain values in Easy VSS protocol packets that are destined for an affected device. An attacker could exploit this vulnerability by sending crafted Easy VSS protocol packets to UDP port 5500 while the affected device is in a specific state. When the crafted packet is processed, a buffer overflow condition may occur. A successful exploit could allow the attacker to trigger a denial of service (DoS) condition or execute arbitrary code with root privileges on the underlying Linux operating system of the affected device.
References: [CVE-2021-1451]
fcp-addr-srvr1 (IANA official) |
SG
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| 5500 |
tcp |
|
VNC remote desktop protocol - for incoming listening viewer, Hotline control connection (unofficial) |
Wikipedia
|
| 5500 |
tcp |
hotline |
Hotline server |
SANS
|
| 5500 |
udp |
securid |
SecurID |
SANS
|
| 5500-5503 |
tcp |
applications |
Hotline Server |
Portforward
|
| 950,5500-5699,13000-14000 |
tcp |
applications |
MOHAA MatchWatch |
Portforward
|
| 5500-5699 |
tcp |
applications |
MOHAA Reverend |
Portforward
|
| 5500 |
tcp |
applications |
Remote Support System |
Portforward
|
| 5800,5500,5900 |
tcp |
applications |
Tight VNC |
Portforward
|
| 5500,5800,5900 |
tcp |
applications |
Vitual Network Computing |
Portforward
|
| 5500,5800,5900 |
tcp |
applications |
VNC |
Portforward
|
| 5500 |
tcp |
hotline |
Hotline file sharing client/server |
Nmap
|
| 5500 |
udp |
securid |
SecurID |
Nmap
|
| 5500 |
udp |
threat |
SecurID ACE (Access Control) server |
Bekkoame
|
| 5500 |
tcp,udp |
fcp-addr-srvr1 |
fcp-addr-srvr1 |
IANA
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15 records found
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jump to:
 |
Related ports: 5501 5502 5503 5504 5800 5900
« back to SG Ports
External Resources
SANS Internet Storm Center: port 5500
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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