Relier Pairs Networking Ports and ProtocolVersion en ligne Ports and Protocols par Mr. B 1 is an email retrieval protocol designed to enable users to access their email from various locations without transferring messages or files between computers. 2 is used to dynamically assign IP addressing information to network hosts when they come online. 3 is used by web browsers and web servers to exchange hypermedia (such as web pages) through the World Wide Web and intranets 4 is a proprietary Microsoft protocol that allows a user to view and use the graphical desktop of a remote computer system as if they were sitting in front of it. 5 allows for secure interactive control of remote systems. All communication using SSH is encrypted and is typically used to remotely login to a network device, such as a switch. 6 provides a generic method of transferring files. It can include usernames and passwords to provide file security. It allows file transfer between dissimilar computer systems. 7 provides address to name resolution. For example, it identifies the IP address for the name www.testout.com. 8 _____is used when sending email. 9 is used to retrieve email from a remote server to a local client over an IP connection 10 is used to monitor and manage network devices 11 is used to remotely connect to another system. Be aware that all data is transmitted in cleartext. Because of this, Telnet is not used often. POP3 HTTP SMTP RDP SNMP IMAP SSH DNS Telnet DHCP FTP
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