SSH was developed in the mid-1990s by Helsinki University researcher Tatu Ylönen as a secure alternative to non-secure telnet, rlogin and rsh programs for Unix servers. SSH-2, a more advanced version introduced in 1998, was standardized by the IETF and is not compatible with SSH-1.
Secure File Transfer: SFTP and SCP
SSH File Transfer Program (SFTP) was developed by the IETF for transferring files with SSH-2. Secure Copy Protocol (SCP) is a version of the Unix remote copy (rcp) command that is widely supported on Unix systems running SSH-1.
All Platforms - Free and Paid
SSH is widely used on all platforms, and software is available as open source from the OpenSSH group (www.openssh.org) and numerous commercial vendors, including SSH Communications Security Corporation (www.ssh.com), the company founded by Ylönen. See FTPS.
![]() | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Mac ready the enterprise?
- Mac ready the enterprise?My work MacBook Pro just experienced this very problem...My work MacBook Pro just experienced this very problem. When I'm at home I connect it to my external 22" CRT, keyboard, mouse, etc. It stays there until I get back to work where I use it...
- Discussion threads 2008-10-03
- SyncTERM (exe)
- An ANSI-BBS terminal designed to connect to remote BBS systems via telnet, rlogin, SSH, or a modem. Supports ANSI music and the IBM CP437 charset when possible. Will run from a console, under X11 using XLib, or using SDL. This version is the first release on CNET Download.com.
- Software downloads 2008-10-02
- Another setback for university P2P
- Another setback for university P2PUm no.They should NOT kill P2P just because a criminal and inept organization wants to subpoena the daylights out of everyone. What they fail to realize is what ever they think they will produce from it will be negated by the fact they cannot conclusively prove...
- Discussion threads 2008-10-01
- SyncTERM (dmg)
- An ANSI-BBS terminal designed to connect to remote BBS systems via telnet, rlogin, SSH, or a modem. Supports ANSI music and the IBM CP437 charset when possible. Will run from a console, under X11 using XLib, or using SDL. This version is the first release on CNET Download.com.
- Software downloads 2008-09-30
- Is Comcast plan suspect or 'reasonable'?
- Network neutrality advocates are taking contrasting views towards Comcast's new network management plan. The new plan de-prioritizes heavy users in 15-minute chunks. If your upload traffic is more than 70% of maximum bandwidth or your download traffic is more than 80% of max, you'll be de-prioritized. Free...
- Blog posts 2008-09-23
- PwnageTool vs. Apple arms race
- PwnageTool vs. Apple arms raceJailbreak but keep using their software?It seems a strange concept to me. Jailbreaking an iTouch or iPhone means you can use innumerable and usually superior products to manage your hardware. Why go back to using iTunes?On the escalation front, someone needs to explain to...
- Discussion threads 2008-09-12
- X-Win32 LIVE (exe)
- The fastest PC X server now offers LIVE Sessions. With X-Win32 LIVE, users can recover Linux and UNIX sessions after a Windows, power or network crash. X-Win32 LIVE users can also manually suspend Linux and UNIX sessions, power off the PC and later resume to the sessions from where they...
- Software downloads 2008-08-29
- Super Flexible File Synchronizer (dmg)
- Back up your data and synchronize Macs, PCs, servers, notebooks, and online storage space. You can set up as many different jobs as you need and run them manually or using the scheduler. Virtually any kind of storage can be used for the synchronization tasks. The software comes with support...
- Software downloads 2008-08-28
- Intel ships BIOS fix for Rutkowska's Black Hat flaw
- Intel ships BIOS fix for Rutkowska's Black Hat flawDoes it affect Windows98?Does this affect Windows98? I'm running a 3.1 MySQL server in my DMZ on Windows98 and I hope it won't be affected by this. My Gram-mummy uses an SSH tunnel through the TOR Onion router network to get to...
- Discussion threads 2008-08-27
- Has Firefox already matched IE privacy features?
- Has Firefox already matched IE privacy features?SSH?I thought that was for a secure shell (port 23 i believe) to transfer files vs unsecure FTP (port 21)... SSL (port 443) is whats used in browsers for secure websites...unless im mistaken.It matched it a long time agoThe Distrust extension does what this...
- Discussion threads 2008-08-27
- Has Firefox already matched IE privacy features?
- Perspectives, hatched at Carnegie Mellon, thwarts so-called "Man in the Middle" attacks on SSH secure sites by creating a virtual notary that can check the validity of an unsigned security certificate. by Dana Blankenhorn
- Blog posts 2008-08-27
- Apple iPhone ad banned
- Apple iPhone ad bannedBetter than the alternativesMy iPhone works as promised.My Macs are more reliable than my Windows boxes.In short, there are better options.Why anyone would buy anything from Apple...is beyond me. Especially the iPhone. It doesn't work as promised in sooooo many ways.i guess every iphone user is mad...
- Discussion threads 2008-08-27
- News to know: Psystar vs. Apple; WGA; Linux under attack; FAA failure
- Here are today's notable headlines. You can get News To Know via email alert and RSS daily: News.com: Psystar responds to Apple suit, will countersue Sam Diaz: Does Psystar have a legit argument in Apple countersuit? Psystar countersues Apple, alleges anticompetitive business practices...
- Blog posts 2008-08-27
- Linux under attack: Compromised SSH keys lead to rootkit
- Linux under attack: Compromised SSH keys lead to rootkitLinux under attack: Compromised SSH keys lead to rootkitLOL! And the hits to linux just keep coming! So thats 4 different incidents within a week's time of how badly linux sucks. Poor linus must be hiding under his bed trying...
- Discussion threads 2008-08-26
- Linux under attack: Compromised SSH keys lead to rootkit
- The U.S. Computer Emergency Readiness Team CERT has issued a warning for what it calls "active attacks" against Linux-based computing infrastructures using compromised SSH keys. The attack appears to initially use stolen SSH keys to gain access to a system, and then uses local kernel exploits to...
- Blog posts 2008-08-26
- Red Hat (belatedly) confirms security breach
- More than a week after a cryptic note hinted at a security breach at Fedora, the open-source group has finally fessed up to two separate server intrusions that compromised the security of Red Hat's OpenSSH packages. The confirmation follows eight days of media speculation and conjecture over...
- Blog posts 2008-08-22
- Navicat (Oracle GUI) (exe)
- Navicat Oracle GUI is an Oracle database management tool, which can convert XML, CSV, MS Excel, MS Access, and popular data formats to MySQL databases, eliminating time-consuming data entry and the errors that accompany it. Other useful major features include Import and Export wizard, Unicode support, SSH Tunnel, Batch Job...
- Software downloads 2008-08-15
- Should colleges really teach hacking?
- Should colleges really teach hacking?Bartending SchoolIn the mid-70's I took one of those vocational courses you see advertised on late-night TV: "Learn to be a Bartender in One Week". Although I never used it (I went at night, which takes 2 weeks and over the weekend I got my...
- Discussion threads 2008-08-05
- LiMo, dude, where's my Internet?
- LiMo, dude, where's my Internet?Get a real phone, er a whatsthemajigNokia [url=http://www.opentoanything.com/]Open to anything[/url]RE: LiMo, dude, where's my Internet?LiMo wasn't formed to combat the iPhone (which didn't exist at the time), it was formed to combat Windows Mobile and Symbian. YOU may want an internet terminal (I might, too), but...
- Discussion threads 2008-08-05
- Navicat Free PostgreSQL GUI (exe)
- Navicat PostgreSQL Manager is a PostgreSQL database management tool, which can convert XML, CSV, Microsoft Excel, Microsoft Access, and popular data formats to PostgreSQL databases, eliminating time-consuming data entry and the errors that accompany it. Other useful major features include Import and Export wizard, Unicode support, HTTP/SSH Tunnel, Batch Job...
- Software downloads 2008-08-05
Premier Vendor Content Whitepapers, webcasts & resources from our Power Center Sponsors
- Marc Canter: The master of multimedia speaks
-
In this Super Techies interview, larger-than-life techie Marc Canter talks with ZDNet's Editor in Chief Dan Farber about his career as a multimedia pioneer.
- Watch the video >>
- Is it time for "Radical Change" in IT?
-
We need to get back to freethinking and innovation that is core to our roots. Companies like Intel were founded on thoughts like the famous quote from Robert Noyce - "Don't be encumbered by the past, go out and do something wonderful."
- Read the impassioned view on IT@Intel Blog >>








