SSH
PPP (Point-to-Point Protocol)
PPP (point-to-point protocol).
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 .
The commonly used port for remote access is TCP port 22, which is used by Secure Shell (SSH) for secure command-line access to remote systems. Another frequently utilized port is TCP port 3389, which is used by Remote Desktop Protocol (RDP) for graphical remote access to Windows machines. It's important to secure these ports to prevent unauthorized access and potential attacks.
IMAP stands for Internet message access protocol. It is an alternative protocol. It can be though of as a remote file server.
The Server Message Block (SMB) is a network sharing protocol that has an application-layer network protocol used for providing shared access to any file, printer, fax, and other computer miscellaneous. SMB also allows updating files on the remote server.
ssh
You are probably asking about telnet protocol, which is a layer 7 application layer protocol.
1.application: e-mail application-layer protocol: SMTP [RFC 2821] 2.application: WEB application-layer protocol: HTTP [RFC 2616] 3.application: streaming multimedia application-layer protocol: HTTP (eg Youtobe), RTP [RFC 1889] 4.application:file transfer application-layer protocol: FTP [RFC 959] 5.application: remote terminal access application-layer protocol: Tenet [RFC 854]
Once can access a Mac remotely by downloading the Apple Remote Desktop application. The software will allow a user to access a number of Macs that have the same application installed.
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.
Remote Desktop Protocol (RDP)