TeamViewer is a computer software package for remote control, desktop sharing, and file transfer between computers. The software operates with the Microsoft Windows, Mac OS X, Linux, iOS, and Android operating systems. It is possible to access a machine running TeamViewer with a web browser.[6]While the main focus of the application is remote control of computers, collaboration and presentation features are included.
TeamViewer GmbH was founded in 2005 in Uhingen, Germany.
In the default configuration, Team Viewer uses one of the servers of Team Viewer.com to handle the connection and the routing of traffic between the local client and the remote host machine: so, all the traffic between the two sides goes through a third party's server
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Source (copy) :http://en.wikipedia.org/wiki/TeamViewer
TeamViewer GmbH was founded in 2005 in Uhingen, Germany.
Establishing connections
Teamviewer may be installed with an installation procedure, although the 'Quick Support' version will run without installation. To connect to another computer, TeamViewer has to be running on both machines: it can be run (but not installed) by a user without administrator access. When Teamviewer is started on a computer, it generates a partner ID and password (user-defined passwords are also supported). To establish a connection from a local client to a remote host machine, the local operator must communicate with the remote operator, request the ID and password, then enter these into the local TeamViewer.
Linux port
TeamViewer for Linux appears to be based upon the Windows version. Additionally, /opt/teamviewer/teamviewer/$tv_ver/bin/teamviewer contains links to a wrapper of a Windows executable:- export TV_BINDIR=/opt/teamviewer/teamviewer/$tv_ver/bin
- exec "$TV_BINDIR"/wrapper "c:\Program Files\TeamViewer\Version$tv_ver\TeamViewer.exe" "$@"
Security
Team Viewer uses RSA private/public key exchange and AES (256-bit) session encoding. But since it uses a username and password as the only security measure, it is vulnerable to phishing, etc.In the default configuration, Team Viewer uses one of the servers of Team Viewer.com to handle the connection and the routing of traffic between the local client and the remote host machine: so, all the traffic between the two sides goes through a third party's server
Malicious use
Any remote control software can be, and is, also used maliciously, typically using social engineering rather than hacking. In an incident from 2008, typically someone would be telephoned at random by a caller claiming to be from Microsoft. The victim would be told that either a virus has been detected on their machine, or offered a free checkup. They will be asked to run remote control software. TeamViewer can be used as it is very easy to use without administrator privileges. This gives the attacker full control, and they can do anything they want. Typically they will do things which imply that the system is not working properly, e.g. by displaying alarming messages, then demand payment to resolve the "problem". It is also possible for Trojan software to be installed to recruit the machine to a botnet.Sorry For boring if you feel bore click here for manual user guide
Source (copy) :http://en.wikipedia.org/wiki/TeamViewer