UDP is often used with time-sensitiveĪpplications, such as audio/video streaming and realtime gaming, where dropping some packets is preferable to waiting for delayed data. The message to process any errors and verify correct delivery. Like TCP, UDP is used in combination with IP (the Internet Protocol)Īnd facilitates the transmission of datagrams from one computer to applications on another computer,īut unlike TCP, UDP is connectionless and does not guarantee reliable communication it's up to the application that received Guaranteed communication/delivery is the key difference between TCP and UDP. TCP guarantees delivery of dataĪnd that packets will be delivered in the same order in which they were sent. To establish a connection and exchange streams of data. TCP ports use the Transmission Control Protocol, the most commonly used protocol ![]() Used port numbers for well-known internet services. IANA is responsible for internet protocol resources, including the registration of commonly Ports are unsigned 16-bit integers (0-65535) that identifyĪ specific process, or network service. Port numbers in computer networking represent communication endpoints. Some games use this port: Homeworld, Destroyer Command (TCP/UDP), Theef, Silent Hunter II (TCP/UDP), Active Worlds File Transfer (TCP/UDP)ĭistributed Interactive Simulation (DIS), modifiable default (unofficial) Trend Micro Antivirus products may use port 3000 UDP to communicate with their servers. It also uses another configurable random UDP listen port (and/or UPnP).ĭistributed Interactive Simulation (DIS) default port (unofficial) The process dir grants change (C) permissions to the authenticated users group.Ĭloud9 Integrated Development Environment server (IANA official)īitTorrent Sync (BTsync) uses port 3000 UDP to connect to torrent trackers. Multiple stack-based buffer overflows in pdmwService.exe in SolidWorks Workgroup PDM 2014 SP2 allow remote attackers to execute arbitrary code via a long string in a opcode to port 3000.ī / Insecure Permissions EoP - this malware creates an insecure dir under c:\ drive named "process", where it drops a random named executable and later moves it to C:\Users\\AppData\Local\Temp where it sends SYN packets to TCP port 3000. ![]() NOTE: The researcher reports that the vendor response was "this is not a security bug." WDaemon 9.5.4 allows remote attackers to access the /WorldClient.dll URI on TCP port 3000, which has unknown impact. Malware that uses this port: Remote Shutdown, InetSpy,Īlt-N Technologies MDaemon 3.5.4 allows a remote attacker to create a denial of service via the URL request of a MS-DOS device (such as GET /aux) to the Worldclient service at port 3000, or the Webconfig service at port 3001. Homeworld, Destroyer Command (TCP/UDP), Theef, Silent Hunter II (TCP/UDP), Active Worlds File Transfer (TCP/UDP), Miralix License server
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