Editing Remote Desktop Protocol (section)

=== Servers ===
In addition to the Microsoft-created [[Remote Desktop Services]], open-source RDP servers on Unix include FreeRDP (see above), ogon project and [[xrdp]]. The Windows Remote Desktop Connection client can be used to connect to such a server. There is also [[Azure Virtual Desktop]] which makes use of RDP and is a part of the [[Microsoft Azure]] platform.

There is also a VirtualBox Remote Display Protocol (VRDP) used in the [[VirtualBox]] virtual machine implementation by [[Oracle Corporation|Oracle]].<ref>{{cite web |title=VirtualBox Manual: 7.1. Remote Display (VRDP Support) |url=https://www.virtualbox.org/manual/UserManual.html#vrde |website=VirtualBox |access-date=27 February 2020 |archive-date=November 21, 2019 |archive-url=https://web.archive.org/web/20191121113114/http://www.virtualbox.org/manual/UserManual.html#vrde |url-status=live }}</ref> This protocol is compatible with all RDP clients, such as that provided with Windows but, unlike the original RDP, can be configured to accept unencrypted and password unprotected connections, which may be useful in secure and trusted networks, such as home or office [[LAN]]s. By default, Microsoft's RDP server refuses connections to user accounts with empty passwords (but this can be changed with the [[Group Policy]] Editor<ref>{{cite web |last=Bens |first=Jelle |url=http://jellebens.blogspot.ru/2010/01/windows-7-rdp-with-blank-password.html |title=Jelle Bens: Windows 7 RDP with blank password |publisher=Jellebens.blogspot.ru |date=2010-01-31 |access-date=2014-03-11 |archive-date=May 8, 2013 |archive-url=https://web.archive.org/web/20130508053031/http://jellebens.blogspot.ru/2010/01/windows-7-rdp-with-blank-password.html |url-status=live }}</ref>). External and guest authorization options are provided by VRDP as well. It does not matter which operating system is installed as a guest because VRDP is implemented on the virtual machine (host) level, not in the guest system. The [[Proprietary software|proprietary]] VirtualBox Extension Pack is required.