AT-S63 Management Software Features Guide
Section IX: Management Security 439
Overview
Secure management is increasingly important in modern networks, as the
ability to easily and effectively manage switches and the requirement for
security are two universal requirements. Switches are often remotely
managed using remote sessions via the Telnet protocol. This method,
however, has a serious security problem—it is only protected by plaintext
usernames and passwords which are vulnerable to wiretapping and
password guessing.
The Secure Shell (SSH) protocol provides encrypted and strongly
authenticated remote login sessions, similar to the Telnet and rlogin
protocols, between a host running a Secure Shell server and a machine
with a Secure Shell client.
The AT-S63 Management Software features Secure Shell server software
so that network managers can securely manage the switch over an
insecure network. It offers the benefit of cryptographic authentication and
encryption. Secure Shell can replace Telnet for remote management
sessions.
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