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A TCP reset attack, also known as a forged TCP reset or spoofed TCP reset, is a way to terminate a TCP connection by sending a forged TCP reset packet. This tampering technique can be used by a firewall or abused by a malicious attacker to interrupt Internet connections.
RealVNC is a company that provides remote access software. Their VNC Connect software consists of a server (VNC Server) and client (VNC Viewer) application, which exchange data over the RFB protocol to allow the Viewer to control the Server's screen remotely.
The VNC protocol expresses mouse button state in a single byte, as binary up/down. This limits the number of mouse buttons to eight (effectively 7 given convention of button 0 meaning "disabled"). Many modern mice enumerate 9 or more buttons, leading to forward/back buttons having no effect over RFB.
Virtual Network Computing logo VNC in KDE 3.1. VNC (Virtual Network Computing) is a graphical desktop-sharing system that uses the Remote Frame Buffer protocol (RFB) to remotely control another computer. It transmits the keyboard and mouse input from one computer to another, relaying the graphical-screen updates, over a network. [1]
UltraVNC is the result of the merger of Vdacc-VNC started by Rudi De Vos in 1999 and eSVNC started by Sam in 2002. [1] UltraVNC is developed in the C, C++, and Java programming languages. Since release 1.0.6.4, UltraVNC server can work as a Windows service under User Account Control (UAC).
RealVNC VNC Server/Viewer: Proprietary, RFB (VNC), SSH: RealVNC: 2002 2024-01-11, Server 7.9.0, Viewer 7.9.0 Proprietary: No No Remmina: RDP, RFB (VNC), SPICE, XDMCP, SSH, EXEC: Originally written by Vic Lee 2009 2022-12-20, 1.4.29 GPL-2.0-or-later: Yes Yes Remote Desktop Services/Terminal Services: RDP: Microsoft: 1998 2016 Proprietary: Yes ...
Mud Master Chat protocol (MMCP) – Peer-to-peer communications between MUD clients. [215] 4061: Yes: Ice Location Service [216] 4069: Yes: Minger Email Address Verification Protocol [217] 4070: Unofficial: Amazon Echo Dot (Amazon Alexa) streaming connection with Spotify [218] 4089: Yes: OpenCORE Remote Control Service 4090: Yes: Kerio: 4093: Yes
TightVNC uses so-called "tight encoding" of areas, which improves performance over low bandwidth connection. It is effectively a combination of the JPEG and zlib compression mechanisms. [ 5 ] [ 6 ] It is possible to watch videos and play DirectX games through TightVNC over a broadband connection, albeit at a low frame rate.