Ssh/Ssl; Inbound Telnet Control; Denial Of Service; Captive Portal - Dell PowerEdge M420 Configuration Manual

SSH/SSL

The switch supports Secure Shell (SSH) for secure, remote connections to
the CLI and Secure Sockets Layer (SSL) to increase security when accessing
the Web-based management interface.
For information about configuring SSH and SSL settings, see "Controlling
Management Access" on page 171.

Inbound Telnet Control

You can configure the switch to prevent new Telnet sessions from being
established with the switch. Additionally, the Telnet port number is
configurable.
For information about configuring inbound Telnet settings, see "Controlling
Management Access" on page 171.

Denial of Service

The switch supports configurable Denial of Service (DoS) attack protection
for eight different types of attacks.
For information about configuring DoS settings, see "Controlling
Management Access" on page 171.

Captive Portal

The Captive Portal feature blocks clients from accessing the network until
user verification has been established. When a user attempts to connect to
the network through the switch, the user is presented with a customized Web
page that might contain username and password fields or the acceptable use
policy. You can require users to be authenticated by a local or remote RADIUS
database before access is granted.
For information about configuring the Captive Portal features, see
"Configuring a Captive Portal" on page 453.
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Switch Features