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Bitvise

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Proprietary secure remote access software developed for Windows
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Bitvise
Developer Bitvise Limited
Stable release
9.47[1] Edit this on Wikidata / 2 September 2025
Operating system Windows
Standard RFC 4250, RFC 4251, RFC 4252, RFC 4253, RFC 4254, RFC 4256, RFC 4419, RFC 4462, RFC 4716, RFC 4819, RFC 5656, RFC 6668, RFC 8308, RFC 8332
License Proprietary
Websitewww.bitvise.com

Bitvise is a proprietary secure remote access software developed for Windows and available as a client and server.[2] The software is based on the Secure Shell (SSH) protocol, which provides a secure channel over an insecure network in a client-server architecture.[3]

Technology

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Bitvise software implements version 2 of the Secure Shell (SSH) protocol, SFTP versions 3, 4, and 6, as well as SCP and FTPS according to publicly available standards.[4]

Development

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The software is developed and published by Bitvise Limited. The first released product was Bitvise SSH Server, then named WinSSHD, in 2001, and it was shortly followed by Tunnelier, now Bitvise SSH Client. There have been 8 major releases of the software so far.[5]

Features

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Both the server and client work with all desktop and server versions of Windows and allow for remote-based access using a tool like WinVNC.[6] They provide a GUI as well as command-line interface to support SFTP, SSH, SCP, and VPN using the TCP/IP tunneling feature.[7] [8] [9]

The software among other supports GSSAPI-enabled Kerberos 5 exchange and NTLM Kerberos 5 user authentication.[10] It provides two-factor authentication and compatibility with RFC 6238 authenticator apps.[11]

Controversies

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Bitvise owns and manages the domain putty.org which references to PuTTY, another SSH client for Windows. For many years, it linked to the official PuTTY distribution page along with promoting Bitvise's products. However, in July 2025 after being asked about this, Bitvise replied by posting the full email conversation,[12] ignoring the anonymisation requests with a "Lol You fucking idiot." reply.[13] After that, the putty.org website changed its contents to promote anti-vaccine theories.[14] [15]

See also

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References

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  1. "Bitvise SSH Server Version History".
  2. "Download Bitvise". Majorgeeks. Retrieved 2020年06月19日.
  3. Ylonen, Tatu; Lonvick, Chris (January 2006). Lonvick, C (ed.). "The Secure Shell (SSH) Authentication Protocol". tools.ietf.org. doi:10.17487/RFC4252 . Retrieved 2020年06月19日.
  4. "Specifications | Bitvise". Bitvise. Retrieved 2020年06月19日.
  5. "About | Bitvise". Bitvise. Retrieved 2020年06月19日.
  6. "9 Best SFTP & SCP Servers". DNSstuff. 2020年05月29日. Retrieved 2020年06月19日.
  7. "10 Best Alternatives to Putty as SSH and Telnet Clients (in 2020)". Networks Training. 2019年06月18日. Retrieved 2020年06月19日.
  8. "Download Bitvise SSH Server 8.43". softpedia. Retrieved 2020年06月19日.
  9. "Bitvise SSH Client". aiiguide. Retrieved 2022年02月27日.
  10. "Best SFTP Servers & Tools for Secure File Transfers [ FREE & Paid 2020 ]". Network Admin Tools. Retrieved 2020年06月19日.
  11. "9 Best Free SCP Server Software For Windows & Mac [2020 Rankings]". Software testing help. Retrieved 2020年06月19日.
  12. "20250713-MiraiF-Emails.txt". Putty.org. 2025年07月18日. Archived from the original on 2025年07月14日. Retrieved 2025年07月18日.
  13. "Hijacking Trust? Bitvise Under Fire for Controlling Domain of Open-Source Project PuTTY | PupRed's - Online-Blog". Blog.PuPred.com. Retrieved 2025年07月18日.
  14. "Mike Yeadon: Final Warning". Archived from the original on 2025年07月17日.
  15. Liam Proven (27 July 2025). "PUTTY.ORG nothing to do with PuTTY – and now it's spouting pandemic piffle". The Register . Situation Publishing. Retrieved 18 July 2025.
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