June 2003
Intermediate to advanced
224 pages
3h 24m
English
The network has never been safe. As your data travels the network, it can be monitored, copied, or silently changed without your knowledge. Rogue users can hijack the connection to your mail server and read your corporate secrets. Physical console access is not practical when data centers are outsourced or when system administrators are on a separate continent. Thus, secure network connections are a business requirement for globally interconnected systems. Remote-access, cryptographic-protocol-based tools, such as Secure Shell or virtual private networks, were developed to defend against network security threats and to provide secure access.
In the beginning, there was Telnet, ...
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