1. [Home](https://www.g2.com/) 2. ... 3. [Terminal Emulator Software](https://www.g2.com/categories/terminal-emulator) 4. [PuTTY Discussions](https://www.g2.com/products/putty/discuss) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_91ba385b963fa00bce23b532cca3ebba/putty.png "Product Avatar Image") ](/products/putty/reviews) [ PuTTY ](/products/putty/reviews) (351)4.5/5 PuTTY is a free, open-source client program for the SSH, Telnet, Rlogin, and SUPDUP network protocols, enabling users to run remote sessions on computers over a network. It is primarily developed and maintained by Simon Tatham. PuTTY is available for Windows and Unix platforms and includes an `xterm` terminal emulator. The latest version, 0.83, was released on February 8, 2025. Key Features and Functionality: - Protocol Support: PuTTY supports multiple network protocols, including SSH, Telnet, Rlogin, and SUPDUP, allowing secure and flexible remote connections. - Cross-Platform Availability: Compatible with both Windows and Unix systems, PuTTY provides a consistent user experience across different operating environments. - Terminal Emulation: It includes an `xterm` terminal emulator, facilitating the execution of terminal-based applications on remote systems. - Security Enhancements: The latest release, version 0.83, introduces support for ML-KEM, a NIST-standardized post-quantum key exchange mechanism, enhancing security against potential future quantum computing threats. - Unicode Support: Improved Unicode support allows for the use of characters outside the Windows system code page, accommodating a broader range of languages and symbols. Primary Value and User Solutions: PuTTY addresses the need for secure, reliable, and versatile remote access to computers over a network. By supporting multiple protocols and platforms, it enables users to manage and interact with remote systems efficiently. The inclusion of advanced security features, such as post-quantum key exchange mechanisms, ensures that users' connections remain protected against evolving cybersecurity threats. Additionally, its improved Unicode support enhances usability for a global user base, accommodating diverse linguistic requirements. Show More * * * ### 65.0 Nps Score Already have PuTTY? ### All PuTTY Discussions Search Most CommentedMost HelpfulPinned by G2Newest All DiscussionsDiscussions with CommentsPinned by G2Discussions without Comments FilterFilter Filter byExpand/Collapse Sort by Most Commented Most Helpful Pinned by G2 Newest Filter by All Discussions Discussions with Comments Pinned by G2 Discussions without Comments ![Pinned by G2 as a common question](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pinned by G2 as a common question") G2 Pinned by G2 as a common question • over 2 years ago More Options - [ # What is PuTTY used for? ](/discussions/what-is-putty-used-for) What is PuTTY used for? [ Terminal Emulator Software ](https://www.g2.com/tags/terminal-emulator-software) * * * \<0\>0\>Upvotes 0 * * * 1 Comment [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.&title=PuTTY+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=PuTTY+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=PuTTY+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss%0aAsk+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=PuTTY+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss%0aAsk+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") AN Loading... • almost 5 years ago More Options - [ # Kindly help me in understanding SSH port Forwarding which is in Putty as Tunnel ](/discussions/kindly-help-me-in-understanding-ssh-port-forwarding-which-is-in-putty-as-tunnel) I would request to help me in guiding how to configure Port Forwarding in Putty i.e. Local / Remote / Dynamic All the options which are connected with Tunneling kindly help me with example to configure. I tried several ways but could not resolve it. [ Tunneling ](https://www.g2.com/tags/tunneling)[ SSH Port Forwarding ](https://www.g2.com/tags/ssh-port-forwarding)[ Terminal Emulator Software ](https://www.g2.com/tags/terminal-emulator-software) * * * \<0\>0\>Upvotes 1 * * * 1 Comment [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.&title=PuTTY+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=PuTTY+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=PuTTY+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss%0aAsk+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=PuTTY+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss%0aAsk+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![bob s.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "bob s.") BS Loading... [bob s.](https://www.g2.com/users/0d9a67e6-d87d-4294-8550-b57e3260172c "bob s.") • about 5 years ago More Options - [ # I am wondering about using putty for a few purposes, can you help? ](/discussions/50215-i-am-wondering-about-using-putty-for-a-few-purposes-can-you-help) I am interested in testing a TS7200 it has a RS232 plug and two USB plugs on it. I would like to initially test that the unit is working is it possible to do this with Putty using one of the USB ports? When I look at the adverts for putty I am wondering if it might work for a ESP-32 CAM that I... [Read more](/discussions/50215-i-am-wondering-about-using-putty-for-a-few-purposes-can-you-help) [ Terminal Emulator Software ](https://www.g2.com/tags/terminal-emulator-software) * * * \<0\>0\>Upvotes 1 * * * 1 Comment [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.&title=PuTTY+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=PuTTY+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=PuTTY+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss%0aAsk+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=PuTTY+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss%0aAsk+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ![Verified User](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User") G2 Verified User • over 6 years ago Protocol Stack Engineer at ASOCS More Options - [ # how can i save password for the session in putty ](/discussions/how-can-i-save-password-for-the-session-in-putty) For ssh login i need to save user name and password does it possible? [ Terminal Emulator Software ](https://www.g2.com/tags/terminal-emulator-software) * * * \<0\>0\>Upvotes 1 * * * 5 Comments [![linkedin](/assets/social-logos/linkedin-afe65e46604a5bd5105ab9c856116204040b6b3f2b2d42562fc8071ca0c48ca0.svg "linkedin")](https://www.linkedin.com/shareArticle?mini=true&summary=Ask+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.&title=PuTTY+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss) [![twitter](/assets/social-logos/twitter-61aaec80434c71387b8f7326e480592eae71c0a65afd051d66fce9b75a9bf417.svg "twitter")](https://twitter.com/intent/tweet?text=PuTTY+Discussions+%7C+G2&url=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss&via=G2dotcom) [![facebook](/assets/social-logos/facebook-350d0b410d6b10debcf893050e803a8633d53561aa42807b087b8daf9be3668f.svg "facebook")](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss) [![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=PuTTY+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss%0aAsk+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.) [![mail](/assets/social-logos/mail-d55c53b04bf49872e40cd2443b85a99caa23394e6cf154ae32a9d08377c15d86.svg "mail")](mailto:?subject=PuTTY+Discussions+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss%0aAsk+PuTTY+questions+and+get+answers+from+expert+users+in+our+PuTTY+Discussions+section.) ![copy_link](/assets/social-logos/copy_link-05d8dc5dc8576fc78425ad34d07241b060878835e555a30417ff41c18335e575.svg "copy\_link") ## Start a New Software Discussion Have a software question? Get answers from real users and experts [Start A Discussion](/products/putty/discussions/new) * * * ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_91ba385b963fa00bce23b532cca3ebba/putty.png "Product Avatar Image") ### Have you used PuTTY before? Answer a few questions to help the PuTTY community [ Yes ](javascript:void(0))[ Yes ](https://www.g2.com/authorize?form=signup&return_to=https%3A%2F%2Fwww.g2.com%2Fproducts%2Fputty%2Fdiscuss%3Fsmall_ask%3Dputty) No ## Top Contributors in PuTTY 1 AN Loading... ### 1 pt 2 ![Mandar P.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Mandar P.") MP Loading... ### [Mandar P.](https://www.g2.com/users/mandarpatil09 "Mandar P.") Software Tester 1 pt 3 ![Renjith M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Renjith M.") RM Loading... ### [Renjith M.](https://www.g2.com/users/3dabc0b6-3448-4c4e-94b5-c3d460d03eb3 "Renjith M.") IT Analyst 1 pt 4 IR Loading... ### [Ignazio R.](https://www.g2.com/users/53d5d73b-6715-479c-8e67-c886448aa9c1 "Ignazio R.") developer 1 pt 5 ![chandrasekhar g.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "chandrasekhar g.") CG Loading... ### [chandrasekhar g.](https://www.g2.com/users/e744f677-a87c-4c54-80ae-55984b7758f1 "chandrasekhar g.") Senior Software Test Engineer 1 pt