...
Book: SSH, TheSecure Shell: TheDefinitive Guide
Section: Chapter 1. Introduction to SSH
1.2 What SSH Is Not
Although SSH stands for Secure Shell, it is not a true shell in the sense of the Unix ... cover them, their principles are the same.
This book is current for the following Unix SSH versions:
SSH1 1.2.30
F -Secure SSH1 1.3.7
OpenSSH 2.2.0
SSH SecureShell (a.k.a. SSH2 ) 2.3.0
F -Secure SSH2 ... programs.
Book: SSH, TheSecure Shell: TheDefinitive Guide
Section: Chapter 1. Introduction to SSH
1.5 History of SSH
SSH1 and the SSH- 1 protocol were developed in 1995 by Tatu Ylönen, a researcher at the...
... Password authentication
During password authentication, the user supplies a password to theSSH client,
which the client transmits securely to the server over the encrypted connection.
The server then ... of them proves its identity to the other. Yes, not
only does the server authenticate the client, as we saw earlier when the server
checked pat’s password, but the client also authenticates the ... nefarious.
6. The server computes the same MD5 hash of the challenge and session ID; if
the client’s reply matches, the authentication succeeds.
The public-key method is the most secure authentication...
... SCS’s SSH1 and SSH2 , F -Secure SSH Server (Versions 1 and
2), OpenSSH, and any other ports of the SSH1 or SSH2 code base for
Unix or other operating systems. The term doesn’t encompass other
SSH ... authentications: the client verifies the identity
of theSSH server (server authentication), and the server verifies the identity of the
user requesting access (user authentication). Server authentication ... Password authentication
During password authentication, the user supplies a password to theSSH client,
which the client transmits securely to the server over the encrypted connection.
The server then...
... public-key authentication is more flexi-
ble and secure. The ssh- keygen, ssh- agent, and ssh- add programs generate and
manage SSH keys.
* These are rsh, ssh, rlogin, slogin, ssh1 , slogin1, ssh. old, ... Password authentication
During password authentication, the user supplies a password to theSSH client,
which the client transmits securely to the server over the encrypted connection.
The server then ... the world where it is notorious for destroying crops.
Mary Anne Weeks Mayo was the production editor and copyeditor for SSH, the
Secure Shell: TheDefinitive Guide. Colleen Gorman proofread the...
... credentials.
Book: SSH, TheSecure Shell: TheDefinitive Guide
Section: Chapter 1. Introduction to SSH
1.5 History of SSH
SSH1 and the SSH- 1 protocol were developed in 1995 by Tatu Ylönen, a researcher at the ... exchange and the server key
Recall that the session key is the shared symmetric key for the bulk data cipher -the one used directly to encrypt user
Book: SSH, TheSecure Shell: TheDefinitive Guide
Section: ... aside to the
nearby text.
This icon designates a warning relating to the nearby text.
Book: SSH, TheSecure Shell: TheDefinitive Guide
Section: Chapter 1. Introduction to SSH
1.7 Summary
SSH is...
... setup of SSH
■■ Summary of SSH s optimal uses
Differences between SSH1 and SSH2
SSH version 1 (SSH1 ) was the first iteration of SSH; however, SSH1 had several
limitations, including the use of ... describes the authentication options available for theSSH server.
Table 2.2 Authentication Options
OPTION DESCRIPTION
LoginGraceTime The amount of time the user has to complete the
authentication ... the
establishment of SSH2 .
The differences between SSH1 and SSH2 may seem minor to most end-
users; however, the differences are quite significant. SSH1 and SSH2 are two
different protocols. SSH2 was completely...
... Edition.
October 2010: Second Edition.
Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of
O’Reilly Media, Inc. Hadoop: TheDefinitive Guide, the ... data together and having the tools to analyze
it, the Rackspace engineers were able to gain an understanding of the data that they
otherwise would never have had, and, furthermore, they were ... the output types
for the map and the reduce functions, which are often the same, as they are in our case.
If they are different, then the map output types can be set using the methods
setMapOutputKeyClass()...
... 145
How to Upload an SSH Client Key Pair to a
VShell SSH Server 147
Creating Keys with VanDyke SecureCRT 148
VShell SSH Server 149
OpenSSH 150
SSH Communications’ SSH Server 151
SSH Agents 152
Summary ... 226
Chapter 7 Secure Remote Access 229
Secure E-mail with SSH 230
Setting Up theSSH Server 232
Setting Up theSSH Client 232
Setting Up the E-mail Client 234
Executing Secure E-mail 237
Secure File ... with SSH 238
Setting Up theSSH Server 241
Setting Up theSSH Client 241
Setting Up the File Server Clients 243
Executing Secure File Transfer 243
Secure File Sharing with SMB and SSH 244
Secure...
... margins.
A general rule is that the lower the gross margin ratio, the
higher the inventory turnover. The interval of time from
acquisition of the product to the sale of the product equals one
inventory ... inventory turnover—their products do not stay
on the shelves very long. Even taking into account the holding
period in their warehouses before the products get to the
shelves in the stores, their inventory ... example
in the book. Take the example as your own business; imagine
that you are the owner or the top-level manager of the busi-
ness, and that you will reap the gains of every decision or suf-
fer the...