Telnet

Telnet (sometimes stylized TELNET[1]) is a client-server application protocol that provides access to virtual terminals of remote systems on local area networks or the Internet.[2] It is a protocol for bidirectional 8-bit communications. Its main goal was to connect terminal devices and terminal-oriented processes.[1]

The name "Telnet" refers to two things: a protocol itself specifying how two parties are to communicate and a software application that implements the protocol as a service.[2] User data is interspersed in-band with Telnet control information in an 8-bit byte oriented data connection over the Transmission Control Protocol (TCP). Telnet transmits all information including usernames and passwords in plaintext so it is not recommended for security-sensitive applications such as remote management of routers.[2][3] Telnet's use for this purpose has waned significantly in favor of SSH.[4] Some extensions to Telnet which would provide encryption have been proposed.[5]

Internet protocol suite
Application layer
Transport layer
Internet layer
Link layer
  1. ^ a b Cite error: The named reference rfc854 was invoked but never defined (see the help page).
  2. ^ a b c Valenčić, D.; Mateljan, V. (2019). "Implementation of NETCONF Protocol". 2019 42nd International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO). pp. 421–430. doi:10.23919/MIPRO.2019.8756925. ISBN 978-953-233-098-4. S2CID 195883872.
  3. ^ Daş, Resul; Karabade, Abubakar; Tuna, Gurkan (2015). "Common network attack types and defense mechanisms". 2015 23nd Signal Processing and Communications Applications Conference (SIU). pp. 2658–2661. doi:10.1109/SIU.2015.7130435. ISBN 978-1-4673-7386-9. S2CID 11256038.
  4. ^ Todorov, Dobromir (2007). Mechanics of user identification and authentication : fundamentals of identity management. Boca Raton: Auerbach Publications. ISBN 978-1-4200-5220-6. OCLC 263353270.
  5. ^ Cite error: The named reference mahmood2003 was invoked but never defined (see the help page).
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