About Secure Shell

supplyandd · Post #1 (**permalink**) 12-19-2005, 06:58 AM

Is Secure Shell (SSH) free ?

dotcomguy · Post #2 (**permalink**) 12-19-2005, 07:53 AM

OpenSSH, a 100% free and open source outgrowth of the OpenBSD project, has very rapidly become the preferred version of SSH for open source Unices; as of this writing, the latest releases of Red Hat, Debian, and SUSE Linux all ship with binary packages of OpenSSH.

http://sshwindows.sourceforge.net/

supplyandd · Post #3 (**permalink**) 12-19-2005, 08:49 AM

How it works ?

dotcomguy · Post #4 (**permalink**) 12-19-2005, 10:31 AM

It works very similarly to Secure Sockets Layer web transactions. Both can set up encrypted channels using generic host keys or with published credentials (digital certificates) that can be verified by a trusted certificate authority.

supplyandd · Post #5 (**permalink**) 12-19-2005, 12:11 PM

How OpenSSH builds secure connections ?

dotcomguy · Post #6 (**permalink**) 12-19-2005, 02:30 PM

First, the client and the server exchange (public) host keys. If the client machine has never encountered a given public key before, both SSH and most web browsers ask the user whether to accept the untrusted key. Next, they use these public keys to negotiate a session key, which is used to encrypt all subsequent session data via a block cipher such as Triple-DES (3DES), blowfish, or IDEA.

LSComputers · Post #7 (**permalink**) 12-20-2005, 10:05 AM

works great

im using it on a home server, for testing, love it..

kiz9999 · Post #8 (**permalink**) 01-05-2006, 11:13 AM

thank god it is free. It is great that there are so much open source out there.