SSH UNIX server/client's

Contents.
1. SSH com, F-Seure
   
2. OpenSSH
   
3. LSH
   
4. PUTTY
   (balance sheet)
   
5. Protocol version (2004/10/22)
   
6. Ciphers for encryption (2004/10/22)
   
7. Functions (2004/10/22)
   
8. Authentication (2004/10/22)
   
9. Interops (2004/10/22)
   

SSH com, F-Seure

• SSH com. (English, Added 2004/10/19)
  

OpenSSH

http://www.unixuser.org/%7Eharuyama/security/openssh/ ()
License: freely useable and re-useable by everyone under a BSD license.
Based on ssh-1.2.12 release from Dec 1995.


LSH

v2.04 (2009/3/7), since 1998/11.
Author: Niels Mler.
License: GNU General Public License
http://www.lysator.liu.se/~nisse/lsh/


PUTTY

beta 0.62 (2011/12/10)
Requires GTK.
http://www.chiark.greenend.org.uk/~sgtatham/putty/




---

Protocol version (2004/10/22)

	SSH1	SSH2(eval*)	SSH2(com*)	OpenSSH<	LSH
Protocol version	1	2+1	2+1	1 & 2	2

Ciphers for encryption (2004/10/22)

Cipher	SSH1	SSH2(eval*)	SSH2(com*)	OpenSSH**	LSH***
DES	yes	no			no
3DES	yes	default	default	yes	default
IDEA	default	no	yes		no
Blowfish	yes	no?	yes	yes	yes
Twofish	no	yes	yes	<	no
Arcfour	no	yes	yes	yes	yes
Cast128-cbc	no	yes?	yes	yes	no

• Column 1 & 3: http://www.employees.org/~satch/ssh/faq/ssh-faq-1.html#ss1.4
  
• ?: I'm not sure.
• *: evaluation version, commercial version.
• **: ./README.openssh2
• ***: ./doc/lsh.html, ./NEWS



Functions (2004/10/22)

function	SSH1	SSH2(eval)	SSH2(com)	OpenSSH	LSH***
sftp	no	yes	yes	no	no?
scp	yes	yes	yes	no	no?
X-foward	yes	yes	yes	yes	no
port foward	-L/R	-L/R	-L/R	-L	-L/R
agent	yes	yes	yes	yes	no

• ***: ./ANNOUNCE

Authentication (2004/10/22)

function	SSH1	SSH2(eval)	SSH2(com)	OpenSSH	LSH
passwd	yes	yes	yes	yes	yes
pubkey	RSA	DSA	DSA, RSA	DSA	DSA*, (RSA*, **)
pub+rhost	yes	no	no	no	no
rhost	yes	no	no	no	no
AFS-Kerberos	no	no	no	no	(Kerberos**)

• *: Without encription.
• **: Experimemtal.

Interops (2004/10/22)

• OpenSSH
  
  • client interops w/ sshd2, lshd
    
  • server interops w/ ssh2, lsh, ssh.com's Windows client, SecureCRT, F-Secure SSH Client 4.0, SecureFX (secure ftp)
    
• LSH
  
  SSH Inc's SSH2 products and OpenSSH. *not* compatible with SSH1
  

History

2012/11/14	Removed http://www.hal.t.u-tokyo.ac.jp/~kunito/install/ssh/index.shtml ()
		        OSSH

2004/10/22	Removed sftp v0.9
		        SecureFX
2001/ 8/ 9	Modified list price of F-Seure.
2000/11/ 8
2000/10/16      Started.