Protocols

Protocols

1. IP internet protocol, data sent from one computer to another on the internet. Each computer on the internet has at least one IP address that is different to other computers on the internet e.g. emails, web page

2. TCP transmission control protocol how computers send packets of data to each other allows application programs to exchange data

3. UDP user datagram protocol send short messages called datagrams

4. SMTP simple mail transfer protocol send emails designed to only send hence "push protocol" used to send emails from mail to mail server

5. FTP file transfer protocol transfer files by uploading and downloading files from one host to another. Lets you copy files manipulate directories and view file content

6. HTTP hypertext transfer protocol manages communication between a web server and clients lets you connect and view all information transmitted. HTTP is plain text which means that it is not secure therefore not good choice for transmitting personal information

   • HTTPS hypertext transfer protocol secure

7. SNMP simple network management protocol gathers and manages network performance information

8. ICMP internet control message protocol an error reporting protocol network sends a messagee to the source IP address indicating that a gateway to the internet that a route service or host cannot expect delivery of a data packet

9. POP post office protocol used to retrieve email from a mail server