PPP (Point-to-Point Protocol)
PPP (point-to-point protocol).
Remote Desktop Protocol
IMAP stands for Internet message access protocol. It is an alternative protocol. It can be though of as a remote file server.
ssh
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.
RDA is a communications protocol for remote database access that has been adopted as an International Standard by the International Organization for Standardization (ISO) and the International Electro technical Commission (IEC). It has also been adopted as an American National Standard by ANSI and as a Federal Information Processing Standard (FIPS) for the U.S. federal government.you can get more details : msp1services.com/remote-database-administration.php
SSH
Remote Desktop Protocol (RDP)
Remote imaging protocol was created in 1993.
ICMP is the internet control access protocol . ICMP is the plrotocol that should be allowed when not able to ping a remote device residing behind a firewall. ICMP is the protocol of network layer.
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.
File Transfer Protocol (FTP) and Trivial File Transfer Protocol (TFTP) were specifically developed to exchange files on different computers across networks.