0xff must be escaped by doubling it when sending data over the telnet protocol.) Telnet options Telnet also has a variety of options that terminals implementing Telnet should support. Related RFCs Internet Standards , Telnet Protocol Specification , Telnet Option Specifications , Telnet Binary Transmission , Telnet Echo Option , Telnet Suppress Go Ahead Option , Telnet Status Option , Telnet Timing Mark Option , Telnet Extended Options: List Option Proposed Standards , Telnet End of Record Option , Telnet Window Size Option , Telnet Terminal Speed Option , Telnet Terminal-Type Option , Telnet X Display Location Option , Requirements for Internet Hosts - Application and Support , Telnet Linemode Option , Telnet Remote Flow Control Option , Telnet Environment Option , Telnet Authentication Option , Telnet Authentication: Kerberos Version 5 , TELNET Authentication Using DSA , Telnet Authentication: SRP , Telnet Data Encryption Option , The telnet URI Scheme Informational/experimental , The Q Method of Implementing TELNET Option Negotiation , Telnet Environment Option Interoperability Issues Other RFCs , Telnet 3270 Regime Option , 5250 Telnet Interface , Telnet Com Port Control Option , IBM's iSeries Telnet Enhancements Telnet clients PuTTY and plink command line are a free, open-source SSH, Telnet, rlogin, and raw TCP client for Windows, Linux, and Unix. AbsoluteTelnet is a telnet client for Windows. It also supports SSH and SFTP, RUMBA (Terminal Emulator) Line Mode Browser, a command line web browser NCSA Telnet TeraTerm SecureCRT from Van Dyke Software ZOC Terminal SyncTERM BBS terminal program supporting Telnet, SSHv2, RLogin, Serial, Windows, *nix, and Mac OS X platforms, X/Y/ZMODEM and various BBS terminal emulations Rtelnet is a SOCKS client version of Telnet, providing similar functionality of telnet to those hosts which are behind firewall and NAT. Inetutils includes a telnet client and server and is installed by default on many Linux distributions. telnet.exe command line utility included in default installation of many versions of Microsoft Windows. In popular culture Star Wars: Episode IV – A New Hope from 1977 has been recreated as a text art movie served through Telnet. See also List of terminal emulators Banner grabbing Virtual terminal Reverse telnet HyTelnet Kermit SSH References External links Telnet Options — the official list of assigned option numbers at iana.org Telnet Interactions Described as a Sequence Diagram Telnet configuration Telnet protocol description, with NVT reference Microsoft TechNet:Telnet commands TELNET: The Mother of All (Application) Protocols Troubleshoot Telnet