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SG security scan: port 49152

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SANS ISC: port 49152

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.

Please use the "Add Comment" button below to provide additional information or comments about port 49152.   User Reviews/Comments:     rate:  -- rating -- 5 - Excellent 4 - Good 3 - Average 2 - Poor 1 - Very Poor    avg: by paranoid52 - 2013-12-01 05:45 Nmap reports my Buffalo Wireless router WZR-HP-AG300H has port 49152/tcp open with service "unknown". by anonymous - 2015-04-18 11:34 http://arstechnica.com/security/2014/06/at-least-32000-servers-broadcast-admin-passwords-in-the-clear-advisory-warns/ ;) by anonymous - 2016-03-11 03:55 my router isn't vulnerable to the exploit posted. I tried it it didn't work Yet it still opens this port i have SPI turned off for my xbox because it use a different router only for the xbox my main router is portwarding only the ports i need by roger.simmons - 2017-08-12 11:03 . In Windows Server 2008 and later versions, and in Windows Vista and later versions, the default dynamic port range changed to the following range: Start port: 49152 End port: 65535 Windows 2000, Windows XP, and Windows Server 2003 use the following dynamic port range: Start port: 1025 End port: 5000 What this means for you: If your computer network environment uses only Windows Server 2012, Windows Server 2008 R2, Windows Server 2008, Windows 8, Windows 7, or Windows Vista, you must enable connectivity over the high port range of 49152 through 65535. If your computer network environment uses Windows Server 2012, Windows Server 2008 R2, Windows Server 2008, Windows 8, Windows 7, or Windows Vista together with versions of Windows earlier than Windows Server 2008 and Windows Vista, you must enable connectivity over both the following port ranges: High port range 49152 through 65535 Low port range 1025 through 5000 If your computer network environment uses only versions of Windows earlier than Windows Server 2008 and Windows Vista, you must enable connectivity over the low port range of 1025 through 5000. For more information about the default dynamic port range in Windows Server 2012, Windows 8, Windows Server 2008 R2, Windows 7, Windows Server 2008, and Windows Vista, click the followng article number to go to the article in the Microsoft Knowledge Base: 929851 The default dynamic port range for TCP/IP has changed in Windows Vista and in Windows Server 2008 So you are scanning a Windows OS kernel 6.0 or above which these ports are opened and dynamically chosen as a tcp connection for RPC (mapped drives file and print sharing in NETBIOS) or LPC for API applications for own machines loopback 127.0.0.1 by YotaPhone2 - 2019-11-03 15:21 This port is open on my YotaPhone 2 with official ROM. Can't find any reason for it. by anonymous - 2019-11-20 10:07 Same here by ZH - 2024-09-12 14:10 Nmap scan shows my Netgear router, I confirmed UPNP is closed. 49152/tcp: UPnP service (Cisco-Linksys E4200 WAP upnpd (UPnP 1.0)). Sometimes reflect as unknown..