How does nntp work

It is similar to the SMTP protocol used for sending email messages, but is designed specifically for newsgroup articles. NNTP servers , for example, can communicate with each other and replicate newsgroups among each other. This is how the Usenet network is created and maintained. In the client-server model , NNTP allows a client system to connect to a Usenet server and provides commands for browsing and viewing articles on the server. In most cases, these and other NNTP commands are handled automatically by newsreader software.

Newsreaders use these commands to communicate with Usenet servers and provide a graphical user interface GUI for browsing and viewing articles on the server.

Network News Transfer Protocol NNTP is the underlying protocol of UseNet, which is a worldwide discussion system which contains posts or articles which are known as news. Network News Transfer Protocol is used to transfer news from one network to another. NNTP servers manages the global network of news groups. In this protocol, servers copied all news on their local disks, posters and readers logged in to these servers to access articles directly from the local disk.

It was necessary to make UseNet accessible for personal computers with increase in use of the Internet. Barber, Erik Fair.

The server then responds with a status message and sends the client the requested data. The most important commands in NNTP communication are summarized in the following tables:.

The status message that the server sends back as an NNTP response including the requested data , is a three three-digit numeric code. The first position can be translated as follows:. For this purpose, the server is pinged without encryption first of all, and StartTLS support is requested. The encryption method can be used when the answer is positive. StartTLS is handy, as e-mails are encrypted automatically once the method has been accepted.

You don't need to contact a dedicated port, StartTLS can simply be Protocols control communication on the Internet. Doors have to be opened so that packages of data can get into systems and come out of them.

These ports are an important aspect of the Internet. There are over 65, possible UDP and TCP ports, which are broken down into well-known ports, registered ports, and dynamic ports. Which ports are important? TCP and IP, the two foundational protocols of the suite, along with other related sets of rules, define how computers communicate over the Internet and other networks.

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What is NNTP? The client, who is the user with the intention of wanting to publish the news, in addition, the client establishes an interactive connection which further improves the system, What is NNTP used for?

How does NNTP work? What are NNTP packages?