FTP
SSH
SSH. * you can find the answer at - http://fliiby.com/file/593695/j06ty3w6yp.html
Remote Desktop Protocol (RDP)
Remote imaging protocol was created in 1993.
Remote access to computers using Microsoft Terminal Services Client (MSTSC) typically uses the Remote Desktop Protocol (RDP). The default port number for RDP is TCP 3389. This port allows remote connections to Windows machines, enabling users to access desktops and applications remotely.
To utilize Remote Assistance Easy Connect, the router must support the Universal Plug and Play (UPnP) protocol. UPnP facilitates the automatic configuration of network devices, allowing the necessary ports to be opened for Remote Assistance connections. Additionally, the router should be configured to allow inbound and outbound connections for the Remote Assistance application. Ensuring these settings are correctly applied enables seamless connectivity for remote assistance sessions.
The Bradley Protocol
An SSH server is a software program which uses the secure shell protocol to accept connections from remote computers. SFTP/SCP file transfers and remote terminal connections are popular use cases for a SSH server. This article compares a selection of popular servers.
Point-to-point tunneling protocol (PPTP) and Layer Two tunneling protocol (l2tp) with internet security protocol (ip/sec)
RDP. Remote desktop protocol in Microsoft systems. Also known as terminal services on port 3389.
The Remote Frame Buffer protocol is an application level protocol used by VNC applications to transmit information about the remote machine's desktop in order to re-create it locally. RealVNC explains the protocol here: http://www.realvnc.com/docs/rfbproto.pdf .
Network Level Authentication (NLA)