Term
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Definition
| When used in internet traffic, it is a communication channel that can be used by a service or process and has to follow protocol. |
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Term
| FTP (File Transfer Protocol) |
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Definition
| Used to transfer files from one user to the next, most of the time via the internet. It uses port 21. |
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Term
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Definition
| A cryptographic network protocol that is used to secure data communication. It uses port 22. |
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Term
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Definition
| A communication protocol that sends and receives text-based messages to and from users. It uses port 23. |
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Term
| SMTP (Simple Mail Transfer Protocol) |
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Definition
| Internet protocol for email transfer. It uses port 25. |
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Term
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Definition
| A hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network. It uses port 53. |
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Term
| HTTP (Hyper Text Transfer Protocol) |
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Definition
| An application protocol for distributed, collaborative, hypermedia information systems. It uses port 80. |
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Term
| POP (Post Office Protocol) |
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Definition
| Is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection. It uses port 110. |
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Term
| HTTPS (Hyper Text Transfer Protocol Secure) |
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Definition
| a widely used communications protocol for secure communication over a computer network, with especially wide deployment on the Internet. It uses port 443. |
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Term
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Definition
| A network that usually covers only one physical site, containing one or more buildings housing the network. |
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Term
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Definition
| It can encompass several sites and buildings, and may even span a large geographical area. |
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Term
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Definition
| a central connecting point on a network that sends messages to all computers connected to it, and subdivides the network bandwidth among its connected devices. |
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Term
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Definition
| a device that directs data from one system to another on a set path. |
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Term
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Definition
| Moves data from one network to another, across different protocols and topologies. |
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