SSH using public/private key authentication is the most secure authenticating method for SSH,
SCP or SFTP sessions.
You are required to create private and public key pairs on your workstation or within a
private area in your network account. These keys may be RSA or DSA and may be any key bit
length as supported by the SSH client tool. These public keys are stored in a file in the .ssh
directory named authorized_keys. The file is to be formatted such that the key is followed
by the optional comment with only one key per line.
Note: The file format, line terminations, and other EOL or EOF characters should
correspond to UNIX conventions, not Windows.
Changing Key Length Values
You may change the key length of the RSA, DSA, ECDSA, and ED25519 type host keys.
To change the key length of a host key:
1.
Navigate to MANAGEMENT > NETWORK: SSH Setup. The SSH Setup window will
open to the Host Keys tab by default.
2.
Select the Key Length value for the key type you want to change.
Key sizes that are powers of 2 or divisible by 2 are recommended. The most popular
sizes are 768, 1024, and 2048. Large key sizes of up to 4096 are supported, but may
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CHAPTER 2 • SecureSync User Reference Guide Rev. 23
2.14 Configuring Network Settings
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