SSH configuration requirements for agentless discovery
InfoScale Operations Manager uses SSH to perform agentless discovery of UNIX hosts. The configuration file
sshd_config defines SSH configuration. The file is located in /etc/ssh or in /opt/etc/ssh.
Table: Requirements for SSH lists the requirements for SSH and the associated parameters that are defined in
sshd_config.
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Table: Requirements for SSH
| Requirement | Parameter(s) | Comments |
|---|---|---|
| The SSH port is open for the user account that you use for discovery | Port |
The port must be set to 22. Agentless configuration does not support the specification of the SSH port. |
| SSH allows password-based authentication | PasswordAuthentication |
To allow password-based authentication, set the parameter to yes . |
| SSH allows access for the root user | PermitRootLogin |
Root user logon is required only if you use a root account for discovery. To allow logons by the root user, set the PermitRootLogin parameter to yes . |
| SSH allows access for the user account that you use for discovery | - AllowUsers If you use this parameter, ensure that it allows the user account that you use for agentless discovery. |
By default, SSH does not restrict user logons. However, you may have setup SSH to restrict access. If you use parameters to restrict access, ensure that they do not block access by the user account that you use for discovery. |
- DenyUsers If you use this parameter, ensure that it does not deny the user account that you use for agentless discovery. |
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- AllowGroups If you use this parameter, ensure that it allows the group to which the user account belongs. |
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- DenyGroups If you use this parameter, ensure that it does not deny the group to which the user account belongs. |
For more information about
sshd_config, refer to your system documentation.
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