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{{short description|Free and open-source terminal emulator, serial console and network file transfer application}}
{{About|the remote shell client|the type of material|Putty}}
{{About|the computer software|the sealing material|Putty|other uses|Putty (disambiguation)}}
{{multiple issues|
{{multiple issues|
{{Primary sources|date=October 2008}}
{{Primary sources|date=October 2008}}
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}}
}}
{{Infobox software
{{Infobox software
| name = PuTTY
| name = PuTTY
| logo = PuTTY icon 128px.png
| logo = PuTTY Icon upstream.svg
| screenshot = PuTTY Ubuntu.png
| screenshot = PuTTY Ubuntu.png
| caption = A screenshot of PuTTY running under [[Ubuntu MATE]]
| caption = A screenshot of PuTTY running under [[Ubuntu MATE]]
| developer = [[Saimon Tatham]]
| developer = [[Simon Tatham]]
| released = {{Start date and age|1999|01|08}}<ref name=git>{{Cite web|url=https://git.tartarus.org/?p=simon%2Fputty.git%3Ba%3Dcommit%3Bh%3Dc74130d423fd83a65c51b7634e3c34aaf557ae68|title=git.tartarus.org Git - simon/putty.git/commit|website=git.tartarus.org|access-date=31 August 2017|archive-date=21 September 2021|archive-url=https://web.archive.org/web/20210921140141/https://git.tartarus.org/?p=simon%2Fputty.git%3Ba%3Dcommit%3Bh%3Dc74130d423fd83a65c51b7634e3c34aaf557ae68|url-status=dead}}</ref>
| released = {{Start date and age|1998|11|19}}<ref name=svn>[http://svn.tartarus.org/sgt?view=rev&revision=1 Revision 1 in PuTTY SVN]</ref>
| latest release version = 0.67
| latest release version = {{wikidata|property|preferred|references|edit|Q841685|P348|P548=Q2804309}}
| latest release date = {{Start date and age|2016|03|05}}
| latest release date = {{wikidata|qualifier|preferred|single|Q841685|P348|P548=Q2804309|P577}}
| latest preview version = {{wikidata|property|preferred|references|edit|Q841685|P348|P548=Q51930650}}
⚫
| operating system = [[Windows]], [[Linux]] and [[OS X]]
| latest preview date = {{wikidata|qualifier|preferred|single|Q841685|P348|P548=Q51930650|P577}}
⚫
| programming language = [[C (programming language)|C]]
⚫
| operating system = [[Microsoft Windows]], [[ReactOS]], [[macOS]], [[Linux]]
⚫
| genre = [[Terminal emulator]]
⚫
| programming language = [[C (programming language)|C]]
| license = [[MIT license]]
⚫
| genre = [[Terminal emulator]]
⚫
| website = {{URL|http://www.chiark.greenend.org.uk/~sgtatham/putty}}
| license = [[MIT Licence]]<ref name=license>{{cite web |url=https://www.chiark.greenend.org.uk/~sgtatham/putty/licence.html |title=PuTTY Licence|access-date=2021-03-08}}</ref>
<!--NOTE: "www" is mandatory for this certain link -->
⚫
| website = {{URL|https://www.chiark.greenend.org.uk/~sgtatham/putty/}}<!-- NOTE: "www" is mandatory for this certain link -->
}}
}}
[[File:PuTTY_User_Manual.pdf|thumb|PuTTY user manual (copy from 2022)]]
⚫
'''PuTTY''' ({{IPAc-en|ˈ|p|ʌ|t|i|}})<ref>{{Cite web|url=https://www.chiark.greenend.org.uk/~sgtatham/putty/faq.html#faq-pronounce|title=PuTTY FAQ|website=www.chiark.greenend.org.uk}}</ref> is a [[free and open-source]] [[terminal emulator]], [[serial console]] and network file transfer application. It supports several [[network protocol]]s, including [[Secure copy|SCP]], [[Secure Shell|SSH]], [[Telnet]], [[rlogin]], and raw socket connection. It can also connect to a [[serial port]]. The name "PuTTY" has no official meaning.<ref>{{cite web |quote = [PuTTY is] the name of a popular SSH and Telnet client. Any other meaning is in the eye of the beholder. It's been rumoured that ‘PuTTY’ is the antonym of ‘getty’, or that it's the stuff that makes your Windows useful, or that it's a kind of plutonium Teletype. We couldn't possibly comment on such allegations. |url = https://www.chiark.greenend.org.uk/~sgtatham/putty/faq.html#faq-meaning |title = PuTTY FAQ }}</ref>


⚫
PuTTY was originally written for [[Microsoft Windows]], but it has been [[porting|ported]] to various other [[operating system]]s. Official ports are available for some [[Unix-like]] platforms, with work-in-progress ports to {{nowrap|[[Classic Mac OS]]}} and {{nowrap|[[macOS]]}}, and unofficial ports have been contributed to platforms such as [[Symbian]],<ref>{{Cite web|url=https://s2putty.sourceforge.net/|title=PuTTY for Symbian OS|website=s2putty.sourceforge.net}}</ref><ref>{{cite web|url=http://wiki.forum.nokia.com/index.php/PuTTY_for_symbian_OS|title=Forum Nokia Wiki – PuTTY for Symbian OS|archive-url=https://archive.today/20120716084848/http://wiki.forum.nokia.com/index.php/PuTTY_for_symbian_OS|archive-date=2012-07-16}}</ref> [[Windows Mobile]] and [[Windows Phone]].
⚫
'''PuTTY''' ({{IPAc-en|ˈ|p|ʌ|t|i|}}<ref>[http://www.chiark.greenend.org.uk/~sgtatham/putty/faq.html#faq-pronounce Putty FAQ – Pronunciation]</ref>) is a [[free and open-source]] [[terminal emulator]], [[serial console]] and network file transfer application. It supports several [[network protocol]]s, including [[Secure copy|SCP]], [[Secure Shell|SSH]], [[Telnet]], [[rlogin]], and raw socket connection. It can also connect to a [[serial port]]. The name "PuTTY" has no definitive meaning.<ref>{{cite web |quote = [PuTTY is] the name of a popular SSH and Telnet client. Any other meaning is in the eye of the beholder. It's been rumoured that ‘PuTTY’ is the antonym of ‘getty’, or that it's the stuff that makes your Windows useful, or that it's a kind of plutonium Teletype. We couldn't possibly comment on such allegations. |url = http://www.chiark.greenend.org.uk/~sgtatham/putty/faq.html#faq-meaning |title = PuTTY FAQ }} though "tty" is the name for a terminal in the [[Unix]] tradition, usually held to be short for [[Teletype Corporation|Teletype]], and [[putty]] is material for sealing glass in window frames, and may refer to [[Microsoft Windows]] lacking a built in [[Secure Shell|SSH]] client.{{citation needed|date=January 2015}}</ref>


⚫
PuTTY was written and is maintained primarily by [[Simon Tatham]], a British programmer.
⚫
PuTTY was originally written for [[Microsoft Windows]], but it has been [[porting|ported]] to various other [[operating system]]s. Official ports are available for some [[Unix-like]] platforms, with work-in-progress ports to Classic [[Mac OS]] and [[Mac OS X]], and unofficial ports have been contributed to platforms such as [[Symbian]],<ref>[http://s2putty.sourceforge.net/ PuTTY for Symbian OS]</ref><ref>[http://wiki.forum.nokia.com/index.php/PuTTY_for_symbian_OS Forum Nokia Wiki – PuTTY for Symbian OS]</ref> [[Windows Mobile]] and [[Windows Phone]].

⚫
PuTTY was written and is maintained primarily by [[Simon Tatham]] and is currently [[beta software]].


==Features==
==Features==
PuTTY supports many variations on the secure remote terminal, and provides user control over the [[Secure shell|SSH]] encryption key and protocol version, alternate ciphers such as [[Triple DES|3DES]], [[RC4|Arcfour]], [[Blowfish (cipher)|Blowfish]], [[Data Encryption Standard|DES]], and [[Public-key]] authentication. It also can emulate control sequences from [[xterm]], [[VT102]] or [[ECMA-48]] [[terminal emulator|terminal emulation]], and allows local, remote, or dynamic [[port forwarding]] with SSH (including [[X11]] forwarding). The network communication layer supports [[IPv6]], and the SSH protocol supports the zlib@openssh.com delayed compression scheme. It can also be used with local serial port connections.
PuTTY supports many variations on the secure remote terminal, and provides user control over the [[Secure shell|SSH]] encryption key and protocol version, alternate ciphers such as [[Advanced Encryption Standard|AES]], [[Triple DES|3DES]], [[RC4]], [[Blowfish (cipher)|Blowfish]], [[Data Encryption Standard|DES]], and [[public-key]] authentication. PuTTY uses its own format of key files – PPK (protected by ''Message Authentication Code'').<ref name="PPK">{{cite news|url=http://blog.danyll.com/ssh-and-transfer-files-using-putty-private-key-ppk/|title=SSH and Transfer Files using Putty Private Key (.ppk)|newspaper=D4Nyll |date=21 June 2016 |archive-url=https://web.archive.org/web/20210518105614/http://blog.danyll.com/ssh-and-transfer-files-using-putty-private-key-ppk/|archive-date=2021-05-18}}</ref> PuTTY supports [[Single sign-on|SSO]] through [[Generic Security Services Application Program Interface|GSSAPI]], including user provided GSSAPI [[Dynamic-link library|DLLs]]. It also can emulate control sequences from [[xterm]], [[VT220]], [[VT102]] or [[ECMA-48]] [[terminal emulator|terminal emulation]], and allows local, remote, or dynamic [[port forwarding]] with SSH (including [[X11]] forwarding). The network communication layer supports [[IPv6]], and the SSH protocol supports the [[zlib]]@openssh.com delayed compression scheme. It can also be used with local serial port connections.


PuTTY comes bundled with command-line [[secure copy|SCP]] and [[SSH file transfer protocol|SFTP]] clients, called "pscp" and "psftp" respectively.
PuTTY comes bundled with command-line [[secure copy|SCP]] and [[SSH file transfer protocol|SFTP]] clients, called "pscp" and "psftp" respectively, and plink, a command-line connection tool, used for non-interactive sessions.<ref>{{cite book|title=SSH, The Secure Shell: The Definitive Guide|last1=Barrett|first1=Daniel|last2=Silverman|first2=Richard|last3=Byrnes|first3=Robert|publisher=[[O'Reilly Media]]|isbn=9780596008956|date=2005|pages=577–579|url=https://books.google.com/books?id=3XzIFG3w8-YC&pg=PT594}}</ref>

PuTTY does not support [[tabbed document interface|session tabs]] directly,<ref>{{Cite web|url=https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/multiple-connections.html|title=PuTTY wish multiple-connections|website=www.chiark.greenend.org.uk}}</ref> but many wrappers are available that do.<ref>(e.g. [https://github.com/jimradford/superputty SuperPuTTY], [https://ttyplus.com/multi-tabbed-putty/ MTPuTTY], [https://mremoteng.org/ mRemoteNG], [https://winsshterm.blogspot.com/ WinSSHTerm], [https://sourceforge.net/projects/puttymanager/ PuTTY Manager], [https://www.raisin.de/putty-tabs/putty-tabs.html PuttyTabs] or [https://spoox.org/projects/twsc/ TWSC (Terminal Window ShortCuts)]).</ref>


==History==
==History==
PuTTY's development dates back to late 1998,<ref name=svn/> and it has been a usable SSH-2 client since October 2000.<ref>[http://www.chiark.greenend.org.uk/~sgtatham/putty/faq.html#faq-ssh2 PuTTY FAQ: Does PuTTY support SSH-2?]</ref><ref>[http://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html PuTTY Change Log]</ref>
PuTTY development began late in 1998,<ref name=git/> and was a usable SSH-2 client by October 2000.<ref>{{Cite web|url=https://www.chiark.greenend.org.uk/~sgtatham/putty/faq.html#faq-ssh2|title=PuTTY FAQ|website=www.chiark.greenend.org.uk}}</ref><ref>{{Cite web|url=https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html|title=PuTTY Change Log|website=www.chiark.greenend.org.uk}}</ref>


==Components==
==Components==
PuTTY consists of several components:
PuTTY consists of several components:
*<tt>PuTTY</tt>: the [[Telnet]], [[rlogin]], and [[Secure Shell|SSH]] client itself, which can also connect to a [[serial port]]
; PuTTY: the [[Telnet]], [[rlogin]], and [[Secure Shell|SSH]] client itself, which can also connect to a [[serial port]]
*<tt>PSCP</tt>: an [[Secure copy|SCP]] client, i.e. command-line secure file copy
; PSCP: an [[Secure copy|SCP]] client, i.e. command-line secure file copy. Can also use [[SSH File Transfer Protocol|SFTP]] to perform transfers
*<tt>PSFTP</tt>: an [[SSH File Transfer Protocol|SFTP]] client, i.e. general file transfer sessions much like [[File Transfer Protocol|FTP]]
; PSFTP: an [[SSH File Transfer Protocol|SFTP]] client, i.e. general file transfer sessions much like [[File Transfer Protocol|FTP]]
*<tt>PuTTYtel</tt>: a Telnet-only client
; PuTTYtel: a Telnet-only client
*<tt>Plink</tt>: a command-line interface to the PuTTY back ends
; Plink: a command-line interface to the PuTTY back ends. Usually used for [[Tunneling_protocol#SSH|SSH Tunneling]]
*<tt>Pageant</tt>: an SSH authentication agent for PuTTY, PSCP and Plink
; Pageant: an [[ssh-agent|SSH authentication agent]] for PuTTY, PSCP and Plink
*<tt>PuTTYgen</tt>: an [[RSA (algorithm)|RSA]] and [[Digital Signature Algorithm|DSA]] key generation utility
; PuTTYgen: an [[RSA (algorithm)|RSA]], [[Digital Signature Algorithm|DSA]], [[Elliptic_Curve_Digital_Signature_Algorithm|ECDSA]] and [[EdDSA]] key generation utility
; pterm: (Unix version only) an X11 client which supports the same terminal emulation as PuTTY
*<tt>pterm</tt>: a standalone terminal emulator

== Reception ==
Justin James of ''[[TechRepublic]]'' cited its reliability, cost, cross platform support, and features as positives. He faulted complex configuration, extended beta testing, and lack of support for scripting.<ref>{{cite web|url=http://www.techrepublic.com/blog/product-spotlight/review-putty-terminal-application/|title=Review: PuTTY terminal application|last=James|first=Justin|work=[[TechRepublic]]|date=2009-08-06|accessdate=2015-09-18}}</ref> J. Peter Bruzzese of ''[[InfoWorld]]'' included it in his list of 15 Essential Open Source Tools for Windows Admins and wrote that its imitators are not as good.<ref>{{cite web|url=http://www.infoworld.com/article/2854954/microsoft-windows/15-essential-open-source-tools-for-windows-admins.html|title=15 essential open source tools for Windows admins|last=Bruzzese|first=J. Peter|work=[[InfoWorld]]|date=2014-12-08|accessdate=2015-09-18}}</ref>


==See also==
==See also==
{{Portal|Free software}}
{{Portal|Free and open-source software}}
*[[Comparison of SSH clients]]
*[[Comparison of SSH clients]]
*[[Tera Term]]
*[[mintty]]
*[[mintty]]
*[[WinSCP]]
*[[WinSCP]]
*[[Plink]]
*[[minicom]]


==References==
==References==
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==External links==
==External links==
{{Commons category|PuTTY}}
{{Commons category|PuTTY}}
*{{official website|http://www.chiark.greenend.org.uk/~sgtatham/putty}}
*{{official website}}


{{Terminal emulator}}
{{Cryptographic software}}
{{Cryptographic software}}
{{FLOSS}}
{{FLOSS}}
{{Use dmy dates|date=June 2020}}


{{DEFAULTSORT:Putty}}
{{DEFAULTSORT:Putty}}
[[Category:Communication software]]
[[Category:1998 software]]
[[Category:Cross-platform free software]]
[[Category:Cross-platform free software]]
[[Category:Cryptographic software]]
[[Category:Cryptographic software]]
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[[Category:Free software programmed in C]]
[[Category:Free software programmed in C]]
[[Category:Free terminal emulators]]
[[Category:Free terminal emulators]]
[[Category:Portable software]]
[[Category:Secure Shell]]
[[Category:Secure Shell]]
[[Category:SFTP clients]]
[[Category:SSH File Transfer Protocol clients]]
[[Category:Software using the MIT license]]
[[Category:Software using the MIT license]]
[[Category:Symbian software]]
[[Category:Symbian software]]
[[Category:1998 introductions]]
[[Category:Telnet]]

Latest revision as of 15:29, 23 December 2024

This article is about the computer software. For the sealing material, see Putty. For other uses, see Putty (disambiguation).
PuTTY
Developer(s)Simon Tatham
Initial releaseJanuary 8, 1999; 25 years ago (1999-01-08)[1]
Stable release
0.82[2] Edit this on Wikidata / 27 November 2024
Repository
Written inC
Operating systemMicrosoft Windows, ReactOS, macOS, Linux
TypeTerminal emulator
LicenseMIT Licence[3]
Websitewww.chiark.greenend.org.uk/~sgtatham/putty/
PuTTY user manual (copy from 2022)

PuTTY (/ˈpʌti/)[4] is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port. The name "PuTTY" has no official meaning.[5]

PuTTY was originally written for Microsoft Windows, but it has been ported to various other operating systems. Official ports are available for some Unix-like platforms, with work-in-progress ports to Classic Mac OS and macOS, and unofficial ports have been contributed to platforms such as Symbian,[6][7] Windows Mobile and Windows Phone.

PuTTY was written and is maintained primarily by Simon Tatham, a British programmer.

Features

[edit]

PuTTY supports many variations on the secure remote terminal, and provides user control over the SSH encryption key and protocol version, alternate ciphers such as AES, 3DES, RC4, Blowfish, DES, and public-key authentication. PuTTY uses its own format of key files – PPK (protected by Message Authentication Code).[8] PuTTY supports SSO through GSSAPI, including user provided GSSAPI DLLs. It also can emulate control sequences from xterm, VT220, VT102 or ECMA-48 terminal emulation, and allows local, remote, or dynamic port forwarding with SSH (including X11 forwarding). The network communication layer supports IPv6, and the SSH protocol supports the zlib@openssh.com delayed compression scheme. It can also be used with local serial port connections.

PuTTY comes bundled with command-line SCP and SFTP clients, called "pscp" and "psftp" respectively, and plink, a command-line connection tool, used for non-interactive sessions.[9]

PuTTY does not support session tabs directly,[10] but many wrappers are available that do.[11]

History

[edit]

PuTTY development began late in 1998,[1] and was a usable SSH-2 client by October 2000.[12][13]

Components

[edit]

PuTTY consists of several components:

PuTTY
the Telnet, rlogin, and SSH client itself, which can also connect to a serial port
PSCP
an SCP client, i.e. command-line secure file copy. Can also use SFTP to perform transfers
PSFTP
an SFTP client, i.e. general file transfer sessions much like FTP
PuTTYtel
a Telnet-only client
Plink
a command-line interface to the PuTTY back ends. Usually used for SSH Tunneling
Pageant
an SSH authentication agent for PuTTY, PSCP and Plink
PuTTYgen
an RSA, DSA, ECDSA and EdDSA key generation utility
pterm
(Unix version only) an X11 client which supports the same terminal emulation as PuTTY

See also

[edit]

References

[edit]
  1. ^ a b "git.tartarus.org Git - simon/putty.git/commit". git.tartarus.org. Archived from the original on 21 September 2021. Retrieved 31 August 2017.
  2. ^ Simon Tatham (27 November 2024). "PuTTY 0.82 is released". Retrieved 27 November 2024.
  3. ^ "PuTTY Licence". Retrieved 8 March 2021.
  4. ^ "PuTTY FAQ". www.chiark.greenend.org.uk.
  5. ^ "PuTTY FAQ". [PuTTY is] the name of a popular SSH and Telnet client. Any other meaning is in the eye of the beholder. It's been rumoured that 'PuTTY' is the antonym of 'getty', or that it's the stuff that makes your Windows useful, or that it's a kind of plutonium Teletype. We couldn't possibly comment on such allegations.
  6. ^ "PuTTY for Symbian OS". s2putty.sourceforge.net.
  7. ^ "Forum Nokia Wiki – PuTTY for Symbian OS". Archived from the original on 16 July 2012.
  8. ^ "SSH and Transfer Files using Putty Private Key (.ppk)". D4Nyll. 21 June 2016. Archived from the original on 18 May 2021.
  9. ^ Barrett, Daniel; Silverman, Richard; Byrnes, Robert (2005). SSH, The Secure Shell: The Definitive Guide. O'Reilly Media. pp. 577–579. ISBN 9780596008956.
  10. ^ "PuTTY wish multiple-connections". www.chiark.greenend.org.uk.
  11. ^ (e.g. SuperPuTTY, MTPuTTY, mRemoteNG, WinSSHTerm, PuTTY Manager, PuttyTabs or TWSC (Terminal Window ShortCuts)).
  12. ^ "PuTTY FAQ". www.chiark.greenend.org.uk.
  13. ^ "PuTTY Change Log". www.chiark.greenend.org.uk.
[edit]
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