APC Battery Management System User Manual download pdf (Page 51)

USER’S GUIDE

Battery Management System

SSH Server Configuration

SSHv1

Encryption

Algorithms

Enables or disables DES, and displays the status (always enabled) of

Blowfish, two encryption algorithms (block ciphers) compatible with

SSH, version 1, clients.

• DES: The key length is 56 bits.

• Blowfish: The key length is 128 bits. You cannot disable this algorithm.

NOTE: Not all SSH clients can use every algorithm. If your SSH client

cannot use Blowfish, you must also enable DES.

SSHv2

Encryption

Algorithms

Enables or disables the following encryption algorithms (Block Ciphers)

that are compatible with SSH version 2 clients.

• 3DES (enabled by default): The key length is 168 bits.

• Blowfish (enabled by default): The key length is 128 bits.

• AES 128: The key length is 128 bits.

• AES 256: The key length is 256 bits.

OTE: Not all SSH clients can use every algorithm. Your SSH client

selects the algorithm that provides the highest security from among the

enabled algorithms that it is able to use. (If your SSH client cannot use

either of the default algorithms, you must enable an AES algorithm that it

can use.)

Option Description

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APC Battery Management System User Manual Page 51