Sentry Industries PT40 User Manual download pdf (Page 46)

Advanced Operations

SSL

Secure Socket Layers (SSL) version 3 enables secure HTML sessions between a Sentry Remote Power

Manager and a remote user. SSL provides two chief features designed to make TCP/IP (Internet)

transmitted data more secure:

• Authentication – The connecting client is assured of the identity of the server.

• Encryption – All data transmitted between the client and the server is encrypted rendering any

intercepted data unintelligible to any third party.

SSL uses the public-and-private key encryption system by RSA, which also requires the use of digital

certificates. An SSL Certificate is an electronic file uniquely identifying individuals or websites and

enables encrypted communication; SSL Certificates serve as a kind of digital passport or credential.

The Sentry product’s SSL Certificate enables the client to verify the Sentry’s authenticity and to

communicate with the Sentry securely via an encrypted session, protecting confidential information

from interception and hacking.

NOTE: The 5.2 firmware version thread removes support for Sentry Secure Proxy. For environments requiring the use of

Sentry Secure Proxy, the 5.1 firmware version thread must be used and is available for download on the Server Technology

website.

SSL Command Summary

Command Description

Set SSL Enables/disables SSL support

Set SSL access Sets SSL access as optional or required

Enabling and Setting up SSL Support

NOTE: A restart of the Sentry is required after setting or changing ANY SSH configurations. See Performing a warm

boot on page 35 for more information.

Enabling or disabling SSL support

The Set SSL command is used to enable or disable SSL support.

To enable or disable SSL support:

At the Sentry: prompt, type set ssl, followed by enabled or disabled and press Enter.

Setting SSL access level

The Set SSL Access command is used to assign use of SSL as optional or required. The default access

level is set to optional.

To change the access level:

At the Sentry: prompt, type set ssl access, followed optional or required, and press Enter.

Example

The following changes the access level to required:

Sentry: set ssl access required<Enter>

SSL Technical Specifications

Secure Socket Layer (SSL) version 3

Transport Layer Security (TLS) version 1 (RFC 2246)

SSL/TLS-enabled HTTPS server (RFC 2818)

Self-Signed X.509 Certificate version 3 (RFC 2459)

Asymmetric Cryptography:

1024-bit RSA Key Exchange

Symmetric Cryptography Ciphers:

TLS_RSA_WITH_AES_256_CBC_SHA TLS_RSA_WITH_3DES_EDE_CBC_SHA

TLS_RSA_WITH_AES_128_CBC_SHA TLS_RSA_WITH_DES_CBC_SHA

42 • Advanced Operations Sentry Commander - PT40

Installation and Operations Manual

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